19181 HOETTOULTUBB. 39 



and climatic conditions, recommended as the best means of control or eradi- 

 cation. 



Six special metliods of procedure which have proved effective under different 

 conditions are indicated and include summer fallow or pasture, winter rye, 

 meadow, intertilled crops, early barley, and barley and rye. The discussion 

 applies particularly to North and South Daliota and to Minnesota and it is 

 stated that it may not be suited to conditions in the Pacific Coast hard spring- 

 wheat area. 



HORTICTILTTJRE. 



Around the year in the garden, F. F. Rockwell (New York: The Mac- 

 mUlan Co., 1917, pp. XX+350, pis. S2, figs. 27).— A seasonable guide and re- 

 minder for work with vegetables, fruits, and flowers, outdoors and under glass. 



The garden under glass, W. F. Rowles {Philadelphia: J. B. Lippincott Co., 

 1917, pp. XVI +368, pis. S3, figs. 77).— A popular treatise on the culture of 

 fruits, flowers, and vegetables under glass. 



The amateur's guide to gardening in southern India, H. Houghton 

 (Madras, India: Higginhothams Ltd., 1917, pp. YI-\-2^8, figs. 67). — A concise 

 guide and textbook on gardening in southern India. Some 1,400 plants are 

 dealt with, including vegetables, flowering annuals, foliage plants, flowering 

 shrubs, and climbing and bulbous plants. Lawn making is also briefly con- 

 sidered. 



Greenhouses. — Their construction and equipment, W. J. Wright {New 

 York: Orange Judd Co., 1917, pp. XVI +269, pi. 1, figs. 131).— The present 

 treatise, the author states in substance, is supplementary to the old standard 

 work of Taft on the subject, and emphasizes present-day features 



The introductory chapter contains a general survey of the subject. The 

 successive chapters deal with sash-bed construction ; general cons; derations on 

 the greenhouse proper ; greenhouse architecture ; structural material ; methods 

 of erecting framework ; glazing and painting ; ventilation and ventilating ma- 

 chinery ; beds, benches, and walks ; greenhouse heating : hot water installa- 

 tion ; steam installation ; boilers, fuels, and flues ; water supply and irrigation ; 

 concrete construction ; and plans and estimates. 



Forcing plants and twigs {Missouri Bot. Gard. Bui., 5 {1917), No. 10, pp. 

 145-148). — A discussion of methods of forcing plants and twigs into growth 

 out of their normal season, including a list of shrubs, twigs, and herbaceous 

 perennials and biennials suitable for forcing. 



A century of certificated plants introduced from China by Ernest H. Wil- 

 son, compiled by E. H. Wilson {Jour. Roy. Hort. Soc., 42 {1916), No. 1, pp. 35- 

 58). — A list is given of 100 plants certificated by the Royal Horticultural So- 

 ciety, all of which are hardy in some part or other of the British Isles and a 

 great majority are perfectly hardy everywhere in Great Britain and Ireland. 



Inspection, certification, and transportation of nursery stock, G. G. At- 

 wooD (A^. T. Dept. Agr. Circ. 160 {1917), pp. 33). — This circular gives a brief 

 synopsis of the laws and regulations of the United States, the several States, 

 and Canada (corrected to September, 1917) relative to the inspection, certi- 

 fication, and transportation of nursery stock. 



Sections 263, 264, and 265 of the Agricultural Law of importance to 

 nurserymen {N. T. Dept. Agr. Circ. 161 [i9i7], pp. 2).— The sections of the 

 Agricultural Law of New York State, here considered, have to do with the 

 sale of fruit-bearing trees, damages accruing from sale of trees, certification 

 of tree agents, and the prevention of the spread of insect pests and fxingus 

 diseases among trees and plants. 



