46 HORTICULTURE [BoT. Absts., Vol. VII, 



303. Howe, M. A. The 1920 dahlia border. Jour. New York Bot. Gard. 21: 138. 1920. 



304. Memmler, Hans. Paphiopedilum Rothschildianum und die Kultur der iibrigen 

 mehrbliitigen Frauenschuharten. [Paphiopedilum Rothschildianum and the culture of the 

 other several-flowered ladyslippers.[ Orchis 14: 17-21. 1920. — Short descriptions are given 

 of P. Rothschildianum, its numerous hybrids, and closely related species. Cultural directions 

 are included. — E. B. Payson. 



305. MiETHE, E. Cjrpripedium insigne Wall, und einige seiner Varietaten. [Cypripedium 

 insigne Wall, and some of its varieties. [ Orchis 14: 4-7. 1920. 



306. Nash, G. V. Hardy woody paints in The New York Botanical Garden. Jour. New 

 York. Bot. Gard. 18:65-68, 86-90, 111-115, 137-140, 167-170, 189-192, 203-207, 217-224, 246- 

 250, 259-263. IDEM. 19: 11-15, 58-62, 86-91, 108-111, 139-142, 167-171, 192-196, 222-225, 

 293-296, 315-318. 1918; 20: 11-14, 41-45, 67-70, 87-90, 107-111, 128-132, 144-148, 164-167, 

 221-225, 232-235. 1919; 21:56-60, 74-77, 119-124. 1920.— A complete enumeration of the 

 hardy woody pants cultivated in the botanical garden, with their location on the grounds 

 and their natural distribution. — H. A. Gleason. 



307. Sands, W. N. Some tropical variegated-leaved plants. Agric. News [Barbados] 

 19: 154-155, 171. 1920. — The following are mentioned as the plants chiefly grown for the 

 color effects of their foliage: varieties of Dracaena, Acalypha, Codiaeum (Croton), Caladium, 

 Graptophyllum, Coleus, Dicffenhachia, Agave, Aloe, Begonia, Maranta, and Tradescantia, 

 together with Pandanus Veitchii, Panax Victoriae, Ficus elastica var., Furcroea cubensis, 

 Aralia Guilfoylei, Sanchezia nobilis, Cissus discolor, Hibiscus rosa-sinensis, var. Cooperi, 

 Phyllanthus nivosus. Several of these are discussed in detail, information being given as to 

 the appearance of the leaves, the causes of variations, and the inheritance of the phenomena. 

 Several plants which are not well known in the West Indies but which are under cultivation 

 at the John Innes Horticultural Institution, Surrey, England, are also dealt with. — J. S. 

 Dash. 



308. ScHLECHTER, R. Die Verbreitung und das Auftreten der Orchideen in Europa nebst 

 Winken uber ihre Kulture. [The distribution and occurrence of orchids in Europe together 

 with hints as to their culture.[ Orchis 13: 19-25, 35-40. 1919.— See Bot. Absts. 7, Entry 541. 



309. Snodgrass, M. D. Report of the work at Fairbanks Station. Rep. Alaska Agric. 

 Exp. Sta. 1917:57-72. PL 5-7. 1919. 



310. Waugh, F. a. How to improve home grounds. Rept. Vermont State Hortic. Soc. 

 17:62. 1919. 



311. WoLTER, P. Die Anzucht der Odontoglossum aus Samen. [The raising of Odonto- 

 glossum from seed.] Orchis. 13: 12-13. 1919. — Odontoglossum seeds were sown in glasses on 

 sterilized Sphagnum and Polypodium to which a mixed culture of root fungi had been added. 

 More than a thousand seedlings were obtained which in the third year are beginning to 

 bloom. — E. B. Payson. 



VEGETABLE CULTURE 



312. Anonymous. Onion growing in Grenada. Agric. News [Barbados] 18: 374-375. 

 1919. — Experiments show that onions can be profitably grown. Two crops per annum may 

 be obtained. The yield per acre, as calculated from the experiments, was 3.38 tons of market- 

 able onions. — /. S. Dash. 



313. Anonymous. The storage of onion seed in the Tropics. Agric. News [Barbados] 

 18:375. 1919. — Experiments carried out in Grenada have shown that onion seed can be 

 successfully kept for at least nine months when placed in air-tight containers in the presence 

 of calcium chloride. — /. S. Dash. 



