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on an old stump, by Miss Lott, with Auricularia lobata, and Mrs. Gulson, at Teignmouth, found A. mesenterica in equal plenty, both ladies gathered very large specimens of Agaricus (Clitocybe) giganteus, and characteristic ones of Boletus granulatus. Of the beatiful B. calopus we found three or four specimens in the spring in Epping Forest. The following species were found by Miss Lott, and forwarded to us amongst a quantity of others of less interest :-Agaricus (Pleurotus) subpalmatus, on some squared planks; this is a most beautiful species, the top of pileus is honeycombed, mottled, and gelatinous, and closely resembles, in texture, the flesh of Fistulina hepatica, when cut, it is beautifully coloured, has a rather strong but not unpleasant odour, and throws down a profusion of white spores. Polyporus cœsius, with verdigris-coloured spores, and tubes shaded with blue, plentifully on Larch, a most beautiful and characteristic species. Geaster fimbriatus, Peziza coccinea, Agaricus (Collybia) esculentus, abundant in Fir plantations, amongst the dead leaves, deeply rooting. A. (Tricholoma) terreus, and A. (Psalliota) cretaceus, (both found plentifully by Mrs. Gulson); we also found the latter species in many different places during the year, and A. (Lepiota) acutesquamosus.

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In the late autumn, we found the "early summer species 4. (Amanita) vernus; this is one of the most noble and beautiful, as well as poisonous of all the Agaricini. The list cannot be closed without a record of Paxillus Panuoides, found of enormous size and in large masses on rotten sawdust, by Mrs. Gulson, near Teignmouth.

EXPLANATION OF PLATE XLVI.

Fig. 1. Polyporus terrestris. 2. Ditto enlarged, showing arachnoid edge. 3. Section of ditto. 4. Agaricus (Tricholoma) albellus. 5. Section of ditto, natural size.

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Sect. I. TILDENIA.-Ovarium apice styliferum; bractea peltata.

A. Folia alterna.

P. ovato-peltata; foliis longe petiolatis ovato-acuminatis ad alt.

peltatis glabris siccis pellucido-membranaceis pellucido-punctatis 7-9nerviis, petiolis glabris canaliculatis, amentis longe pedunculatis, bractea ovato-acuminata peltata.-In Mexico (Herb. Pav. in Herb. Boiss.) et Costa Rica (Hoffmann, n. 521, Herb. Reg. Ber.).—Radix tuberosa, foliorum limbi 0,005 longi, petioli et pedunculi 0,1 circ. longi.

P. parvifolia; folio superiori longissime petiolato ovato-orbiculari sub medium peltato sicco subcucullato glabro coriaceo subtus juxta marginem lineato enervio, foliis inferioribus scariosis dense approximatis incompletis, amentis longe pedunculatis glabris, bractea rotundato-peltata, filamentis longis.-In Peruvia (Herb. Pav. in Herb. Boiss.) et Bolivia (Pentland, n. 12850, Herb. Kew.).-Planta cæspitosa, radix fibrosa, caulis subnullus, foliorum superiorum limbi 0,002, petioli 0,015 longi.

P. Sprucii; foliis ovatis vel ovato-rotundatis glabris petiolatis interdum basi subpeltatis subcordatisque apice obtusis siccis pellucidomembranaceis pellucido-punctatis 5-nerviis, bractea rotundato-peltata. -In Peruvia orientali prope Tarapoto (Spruce, n. 4981, Herb. Kew.). -Foliorum limbi 0,025-0,03 longi 0,025 lati.

P. muscophylla; foliis petiolatis ovato-rotundatis apice acutis basi rotundatis reniformibusve supra puberulis subtus hirsuto-puberulis siccis pellucido-membranaceis 5-7-nerviis.-In imper. Mexicano (Herb. Pav. in Herb. Boiss.).-Caulis brevissimus superne hirsuto-puberulus pellucidus 0,02 circ. altus, foliorum infer, limbi petiolique 0,006 longi.

B. Folia opposita vel verticillata.

P. diffusa; foliis breviter petiolatis plerumque quinis oblongo-obovatis apice obtusis basin versus subattenuatis acutiusculis utrinque glabris siccis rigidulis pellucidis 3-nerviis, bacca oblonga basi immersa apice mucronata. In republica Venezuelania prope coloniam Tovar alt. 3000—– 4000 (Fendler, v. 1178, Herb. Cand.).-Fruticulus repens, ramuli sicci subtetragoni anguste subalati, foliorum limbi 0,015 longi 0,005 lati, petioli 0,002 longi.

P. Hoffmannii; foliis quaternis brevissime petiolatis e basi cuneata obovatis apice emarginulatis utrinque glabris siccis rigidulis subpellucidis uninerviis nervo centrali sæpe inconspicuo utrinque alternatim nervulos 1-2 patulo-adscendentes mittente, amentis terminalibus solitariis longiuscule pedunculatis pedunculo brevioribus densifloris, bacca ovato-oblonga apice in stylum longiuscule attenuata, stylo imo apice

stigmatifero.-In Costa Rica (Hoffmann, n. 415, Herb. Reg. Ber.).— Herba repens, caulis filiformis glaber, foliorum limbi 0,005 longi 0,004 lati.

Sect. II. MICROPIPER.-Stylus nullus; ovarium apice imo vel oblique vel subantice vel antice stigmatiferum.

A. Folia alterna.

1. Ovarium apice imo stigmatiferum.
a. Bacca pedicellata.

P. Fernandopoiana; foliis alternis petiolatis lanceolato-acuminatis utrinque glabris siccis membranaceis opacis 5-nerviis, amentis axillaribus terminalibusque solitariis, bacca breviter pedicellata, ovata pedicello immerso.-In Fernando Po (Mann, n. 394, Herb. Kew.).— Herba procumbens, foliorum limbi 0,05 longi 0,025 lati, petioli 0,01 longi.

a. foliis siccis subopacis. In sylvis editis densioribus insulæ St. Thomas ad Fazenda de Monte Catt. alt. 1800 pd. (Welwitsch, It. Angol. n. 507, Herb. Cand.), et rarius in rupestribus umbrosissimis ad Matis de Lungo præsidii Pungo alt. 1400-3500 pd. (Welwitsch, It. Angol. n. 505, Herb. Cand.).

b. Bacca sessilis.

a. Stigma discoideo-bilobulatum.

P. Fraseri; foliis longiuscule petiolatis alternis sparsis vel oppositis ternis quaternisve brevissime subpeltatis cordato-lanceolatis glabris 7-9-nerviis siccis membranaceis, amentis paniculato-confertis densifloris, ovario emerso apice stigma granuloso-puberulum orbiculare bicrenatum gerenti. In Ecuador (Fraser, Herb. Cand. et Spruce, n. 5532, Herb. Cand.). Herba erecta, foliorum limbi 0,05, petioli 0,045 longi.

B. Stigma simplex, penicillatum vel punctiforme.

P. Andinacea; foliis alternis petiolatis orbicularibus minutissimis supra setose pilosulis subtus glabris siccis pellucidis 3-nerviis petiolis glabris, amentis terminalibus densifloris, ovario semi-immerso.-In Andibus Quitensibus (Jameson, Herb. Kew.).—Herbula cæspitosa tenerrima, caulis tenuiter filiformis glaber, foliorum limbi 0,001, petioli 0,002 longi.

P. Bangroana; foliis alternis petiolatis orbicularibus utrinque pilosulis, margine ciliolatis siccis rigidulis aveniis, amentis terminalibus, ovario profunde immerso, bacca subglobosa.-In Africa tropicali ad

flumen Bangroo (Mann, n. 905, Herb. Kew.).-Herba repens, caulis filiformis subtiliter hirtellus, foliorum limbi 0,008, petioli 0,002 longi.

P. nana; foliis alternis petiolatis orbicularibus vel subreniformibus apice obtusis basi rotundatis truncatisve utrinque glabris siccis tenuissimis 3-nerviis, amentis oppositifoliis sublaxifloris, bacca ovato-acuta subimmersa.—In insula Mohely (Boiv. in Herb. Brit. Mus.).—Herba pellucida glabra 0,02 alta, foliorum limbi petiolique 0,003 longi.

P. Caledonica; foliis alternis petiolatis ellipticis utrinque pilosulopubescentibus siccis membranaceis subopacis trinerviis, amentis terminalibus filiformibus solitariis, folia paulo superantibus subdensifloris, bacca subglobosa brevissime mucronulata.-In Nova Caledonia (De la Planche in Herb. Cand.).—Herbula repens, caules piloso-pubescentes filiformes tenuissimos 0,002 circ. altos mittens, foliorum limbi 0,012 longi 0,07 lati, petioli 0,002 longi.

P. Mascharena; foliis alternis brevissime petiolatis rotundis utrinque et margine ciliolatis siccis tenuissimis pellucidis anerviis, amentis axillaribus terminalibusve densifloris brevissimis, bacca globosa basi immersa. In insula Madagascar (Roxburgh in Herb. Brit. Mus.), et Vitenhage, in valle Olifantshoek inter ostia fluviorum Zoudagriri et Boshman (Zeyher in Herb. Francavil).—Herbula repens, caulis filiformis, foliorum limbi 0,005 longi, amenta 0,004 longa, pedunculi 0,007 longi.

P. Weddellii; foliis alternis longe petiolatis paulo supra basin peltatis ovatis apice breviter acuminatis acutis basi rotundatis utrinque glabris siccis membranaceis pellucidis 7-9-nerviis, amentis apice caulis oppositifoliis solitariis longe pedunculatis, ovario emerso. In imper. Brasiliensi prope Rio Janeiro (Weddell, n. 762, in Herb. Cand. ex Herb. Mus. Par.).-Herba inter Muscos repens, caulis filiformis glaber 0,002 crassus apice suberectus, foliorum limbi 0,04 longi 0,035 lat., petioli 0,06 longi.

P. villosa; foliis alternis longiuscule petiolatis cordato-ovatis apice obtusis supra villosis subtus ad nervos villosis siccis membranaceopellucidis 7-nerviis, amentis axillaribus terminalibusque pedunculis villosis, ovariis subimmersis. In sylvis Andium Quitensium alt. 9000 pd. (Jameson, n. 24).-Herba villosa basi procumbens radicans, foliorum limbi 0,035, petioli 0,03, amentorum pedunculi 0,035 longi. P. Triana; foliis alternis petiolatis subelliptico-lanceolatis apice

acutis basi in petiolum subdecurrentibus utrinque glabris junioribus supra subtusque ad nervos parce pubescentibus siccis membranaceis subpellucidis septuplinerviis, amentis oppositifoliis solitariis folia æquantibus densifloris, rachi foveolata, ovario immerso obovato vertice complanato stigmatifero, bacca subglobosa.-In prov. Antioquien, NovæGranatæ, alt. 1500 (Triana, Exsicc. n. 65, Herb. Cand.).-Suffrutex ?, ramuli glabri sicci plicato-rugulosi nodosi, filiorum limbi 0,06 longi 0,027 lati, petioli 0,006 longi.

2. Ovarium paullo antice stigmatiferum.

a. Plantæ minimæ.

P. serpens; foliis brevissime petiolatis ovatis vel inferioribus ovatorotundis utrinque obtusis utrinque hirsutis siccis rigidulis opacis, petiolo hirsuto, amentis terminalibus solitariis folia multoties superantibus filiformibus densifloris hirtellis, ovario immerso.—In Novæ-Granatæ prov. Barbacoas ad viam Tuquerras, alt. 6000 m. (Triana, Exsic. n. 58).—Herba repens, caulis filiformis sublignosus millim. crassus hirtellus sulcatus, foliorum limbi 0,003-0,005 longi 0,003-0,004 lati, petioli 0,001 longi.

P. lanceolato-peltata; foliis longe petiolatis ovato-lanceolatis basi paulo supra basin peltatis apice parum protractis acutis margine ciliolatis supra glabris subtus pilosis siccis membranaceo-pellucidis 7-nerviis, amentis solitariis filiformibus longe pedunculatis ciliolatis, ovario semi-immerso.-In Venezuela et Costa Rica (Hoffmann, n. 414, Herb. Reg. Ber.; Fendler, n. 1149, Herb. Cand.) et regione temperata prov. Caracassanæ (Moritz, n. 1979, Herb. Francav.).—Herba subacaulis et stolonifera, foliorum limbi 0,06, petioli 0,04, pedunculi 0,04 longi.

P. subpeltata; foliis longissime petiolatis rotundato-peltatis apice acutiusculis basi cordatis siccis membranaceis pellucidis utrinque glabris 5-nerviis, amentis axillaribus longe pedunculatis subremotifloris, pedunculis glabris.-In Pichincha (Jameson, n. 62 et 641, Herb. Kew. et 5857, Herb. Cand.).-Herba glabra, repens? vel scandens ?, caulis filiformis, foliorum maj. limbi 0,02, petioli 0,04-0,08, pedunculi 0,03-0,035 longi.

P. subrotundifolia; foliis petiolatis subreniformi-rotundatis inferioribus e basi subcordato-ovatis omnibus utrinque glabris siccis membranaceis pellucidis 3-nerviis, petiolo glabro, amentis axillaribus

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