578 JOURNAL OF THE ROYAL HORTICULTURAL SOCIETY. 



of the formation of galls on peach and the Paris daisy, or an allied form, 

 is the cause, of these soft galls. It was found that the soft galls from the 

 almond, apricot, blackberry, cherry, peach, plum, prune, and raspberry 

 have been easily transferred to seedlings of almond, apricot, peach, and 

 raspberry ; less readily to blackberry, cherry, plum, prune, and pear ; 

 and with great difficulty to apple, chestnut, walnut, and rose ; those 

 of the apple, chestnut, walnut, rose, and pea*r have not been readily 

 transferred to any of the other plants. The hard gall of these fruit trees 

 does not appear to be contagious.— F. J. C. 



Cucumbers, Influence of " Bottom Heat" in Forcing- (U.S.A. 



Exp. Stn. Wisconsin, 24th Ann. Bep. 1907, p. 355). — Experiments 

 were conducted to ascertain the best soil temperature for the production 

 of the crop ; the factors which were taken as determining which were the 

 best results were earliness, relative number of male and female flowers, 

 and relative effect on growth and vigour of plants. The temperature 

 employed ranged from 70°-8-83 o, 3 F. The best soil temperature for 

 productiveness proved to be 73°-75° F., and it was found that the 

 earliness and number of flowers produced were influenced but slightly 

 by the increase of soil temperature. The experimenters consider that 

 individual differences in the plants are important factors in determining 

 the results obtained. — F. J. C. 



Cut Flowers, Preservation of. By V. Ducomet and L. Fourton 



(Rev. Hort. July 16, 1908, pp. 333-6). — A very interesting record of 

 experiments with various solutions adapted to various species of flowers, 

 with full details.— (7. T. D. 



CytiSUS decumbens. By J. Hutchinson (Bot. Mag. tab. 8230). — 



Nat. ord. Leguminosae ; tribe Genisteae. South Europe. Shrub 

 4-8 inches high, procumbent ; leaves unifoliate ; flowers solitary or 

 two to three together, yellow. — G. II. 



Dicentra (Dielytra) torulosa. By D. Bois (Rev. Hort. Septem- 

 ber 1, 1908, pp. 393-4). — A pretty climbing species with golden-yellow 

 flowers, followed by attractive red berries, showing shining black seeds on 

 a white ground when ripe. Annual, sown in the open, flowers in August ; 

 for earlier flowering sow in March or April under glass and plant out in 

 June.— C. T. D. 



Echinops Tournefortii. By W. B. Hemsley (Bot. Mag. tab. 8217).— 

 Nat. ord. Compositae ; tribe Cynaroideae. Armenia and Persia. Perennial, 

 3 5 feet high; leaves large, pinnately divided, 1-H foot long; flower- 

 heads globose, 2J-8 inches or more in diameter; corolla white. — G. II. 



Eria hyacinthoides. By R. A. Rolfe (Bot. Mag. tab. 8229).— Nat. 

 ord. Orcliidaceae ; tribe Fpidcndreae. Java. Epiphyte, 1 foot high ; 

 leaves 8-12 inches long; peduncles 4-6 inches long; flowers white, 

 \ inch long. — G. II. 



Essential Oils : Notes on Lemon Grass, Bay Leaf, and Cam- 

 phor. By Dr. Francis Watts and II. A. Tempany (Joum. Imp. Dep. 



