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buted among the ladies. Two species of Cal- / as a preventive and cure for scurvy ; but in lixene were then noticed as charming plants the last Number of the same publication apfor cool greenhouses, where they will not only pears another letter from him, stating that he carpet the ground, but clothe the naked stems has found that the roots contain an acrid of plants. At the two meetings twenty-eight principle, which might cause bad results. He new members were elected, and three societies says that last year in preparing Dioscorea admitted into union.

flour for his own use, on agitating the water ROYAL BOTANIC SOCIETY.-During the past in which the roots had been grated, he and month two Shows have taken place at the his assistant experienced in their hands and Regent's Park. That of April 7th was very ! arms a sensation similar to that produced by gay, for it was then that the fine Azaleas of the sting of a nettle, accompanied by redness Mr. Turner and Messrs. Lane first made their of the skin. The same thing occurred every appearance, and there was besides a plentiful | time he stirred the fresh-grated pulp, and he display of stove and greenhouse plants, and attributes this result to the presence of some Ferns, Begonias, andother fine-toliaged plants,

| acrid principle which disappears in cooking. enlivened by Cinerarias, Cyclameng, &c. Á Dioscorea flour, if better known, would, he new Cineraria, exhibited by Messrs. 'F. & A. I believes, become an important article of food. Smith, and called Perfection, gained a first TRUFFLES.-Some notion may be obtained class certificate. It is large and showy, violet of the extent to which the trade in Truffles is purple, with a narrow ring of crimson towards

carried in France, when we read that in the the base of the ray florets, with a narrow ring

market of Apt alone 1600 kilogrammes (about of white round the disc. The second Show 3500 lbs.) are exposed for sale every week in during the month, and the last of the spring | the height of the season, and that the lowest Shows, was held on the 21st; but with the

estimate of the quantity sold during the winexception of the Roses from Mr. Turner and ter amounts to 15,000 kilogrammes (nearly Messrs. Paul & Son, which were very fine, and

33,000 lbs. weight). According to another Pelargoniums in excellent bloom shown by Mr.

account, the Department of Vaucluse yields Wiggins, gardener to Mr. Beck, of Isleworth,

from 29,500 to 30,009 kilogrammes (57,100 to it did not present any remarkable feature. 66,158 lbs.) annually. The vast quantity

DIOSCOREA BATATAS.-M. D'Auvers stated that must therefore be procured and sold in in a recent Number of the “Revue Horticole,all the French provinces where they grow, that he had been very successful in the cul- and the large revenue arising therefrom, should ture of this Dioscorea, having obtained roots be a great inducement to the proprietors of about a yard in length, a result which he as- suitable localities to attempt their cultivation cribed to the use of phosphate of lime. He in England.--C. E. BROOME, Journal of Royal then recommended Dioscorea roots eaten raw | Horticultural Society.

CALENDAR OF OPERATIONS.
STOVE AND ORCHID-HOUSES.

quisite, which may be obtained by closing the Orchids. — These superb plants are now house earlier in the day. Shade and syringe making active growth; keep the air of the daily; water plants not potted this spring house humid by damping the interior fre- with soot or clear manure water. When the quently each day; shade must be given. Ex- | young shoots are full-grown give less shade amine plants growing on blocks and in by degrees, and more air, to aid the formation baskets, and soak them every two or three of bloom-buds. Cinerarias, when on the dedays; syringe them daily in the interval. cline should be placed in frames or pits facing Plants requiring to be re-dressed or potted the north. When seed is not required, the should be attended to. Remove plants in bloom sooner they are cut down the better, that good to a cooler house, to prolong their beauty. early cuttings may be procured. PelarGREENHOUSE.

goniums.-The shading should now be geneTo make room for choice plants in bloom, rally up, and used according to the brightness as Geraniums, Calceolarias, Cinerarias, &c., of the weather; there should be no green fly several comparatively hardy plants may now to keep under. The bees must be kept out be transferred to a temporary shelter. Myrtles, of the house with netting. The closest attenmany Acacias, Rhododendrons, Aloes, &c., tion must be observed in watering. Plants may be trusted to frames, or any odd house for July-blooming should now be tied out ; or shed for a few weeks, to make room for give them plenty of room, and keep them as the above more showy plants. Heaths and cool as possible. hardwooded plants must now have abundance

CONSERVATORY. of air; small plants will grow nicely now in Chinese Azaleas, Cinerarias, and Pelarframes. Shade on bright days. Camellias | goniums slightly forced, will make a great are now forming wood; more heat will be re- display just now, assisted by forced Roses ani

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a few yellow Calceolarias. Keep up a good the newly planted trees, particularly everstock of Orange trees, Daphnes, and scented-1 greens, damped overhead every afternoon, leaved plants, for their agreeable fragrance. until they commence growing, when watering The temperature should now be kept down at the roots will suffice in dry weather. Supby shading and admitting more air; this will posing the beds for the summer-flowering benefit Heaths, Epacrises, and New Holland plants to have been duly prepared with the plants, brought in for decoration.

proper compost necessary for each kind of PITS AND FRAMES.

plant, the turning-out of the hardiest may be Directly these are cleared for planting out, proceeded with, especially if there is much to fill them with Balsams and other annuals, to do, as it will give more time for the others. occupy the greenhouse during the summer. Pentstemons, Dianth uses, Phloxes, and many Newly pricked-off annuals for turning out half-hardy, biennial, and perennial plants, may likewise be sheltered for a week or two should first be transferred to the open beds; in them, to get hold of the pots before planting. then may follow Verbenas, Fuchsias, and FORCING.

similar things; reserving Geraniums, Dahlias, To Grapes changing colour admit plenty Salvias, Heliotropes, &c., to the last. Annuals. of air; and if growing in pots, or in-door – Thin out those up, leaving three, four, or borders, reduce the water supplied to the roots; more in each patch, according to their size. stop and train the shoots of succession Sow towards the end of the month for autumnvineries, and thin the bunches as soon as the blooming. Plant out Stocks, Asters, &c., berries are formed. Fires will be necessary sown under glass; rich soil suits them best. for late Grapes, during the time they are in

FLORISTS' FLOWERS. bloom, to insure their setting well. Vines at Auriculas.-As soon as out of bloom, remove this stage should be kept as dry as possible; them from the stage to a cool north border, but, both before and after the blooming standing them on a bed of coal ashes. A period, use plenty of water in each house, temporary framework should be erected, that sprinkling the floors, walls, &c., often each lights may be placed over them in very wet day. Tie in the shoots of Peach-trees as they weather, but leaving them open at the sides advance; thin the fruit by degrees. Do not on all occasions. Watering should be strictly allow many to stand over till after stoning, or attended to, and they will make fine growth you may lose more than you want; keep down by the time they require repotting, which red spider by the application of clean water, should be done towards autumn. Carnations and the fly by timely fumigations.

and Picotees.-Look well and vigilantly after KITCHEN GARDEN.

aphides, which must be kept under. The Weeds by this time there ought to be none; plants should now be permanently staked. and therefore hoeing and loosening the sur- The side shoots of strong plants will often face round growing plants will only be neces- start for bloom; these should be stopped, but sary, drawing a little earth to Cabbages, not too early, or it will cause other layers to Cauliflowers, Peas, &c., as you proceed. Sow start for bloom. Dahlias.-Repot without loss Dwarf Kidney Beans, Longpod and Green of time, using good rich soil, and harden the Windsor Beans, and Peas for succession; also plants gradually before planting out. Neither Spinach, Radishes, Turnips, Onions for salads, an early nor a large plant is absolutely necesand some Endive for an early crop. Make a sary to insure good blooms; on the contrary, good sowing of Scarlet Runners in a warm a late-struck plant is preferable to one that has situation, either to be sticked like Peas, or to become stunted in its growth. Seedlings be kept dwarf by topping when about a foot must have plenty of room, light, and air, or high. In the latter case it is well to spread they will become drawn, and will suffer when some litter over the ground in order to keep they are planted out. Pansies.--Seedlings the pods clean ; this, however, need not be should be often and carefully examined, done till after they have formed. Prick out marking the promising varieties when they Cabbages, Brussels Sprouts, Savoys, and are in true character. Propagation should be Celery, and plant out Vegetable Marrows in attended to this month, the cuttings being rich ground. Thin Beet, Carrots, and seed- kind and healthy; small side shoots are best. beds generally when these are at all crowded. Autumn-saved seed should now be sown, to HARDY FRUIT.

bloom next autumn. Never sow seed to come Disbudding the more choice wall trees, as in bloom during the summer' months, or it is Peaches, Apricots, &c., should take place difficult to ascertain what the seedlings really gradually, reserving such shoots as will be are. Pinks.—Thin out blooming shoots to required to afford the crop for next season. three or four on a plant, according to its Thinning the young fruit when too thick strength and the known habit of the flower ; should be done at two or three times, taking also disbud the principal shoots as soon as the off a few each time, till the final number for side buds can be removed; water liberally, swelling off only remain.

using weak liquid manure once a-week. i FLOWER GARDEN AND SHRUBBERY. Tulips.-Shading during the day, and keeping M Where planting has been deferred till late them exposed during the morning and evense: spring, mulching must be resorted to, and ling, is all that can be done this month. nu

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