DISEASES OF PLANTS. 55 



Investig-ations made by the State Board of Horticulture of the California 

 olive industry (Sucrfonento, 1900, pp. S-3,_figs. SO). — The history of ohve growing 

 in California, methods of pro])agation, soils, canses of nnfrnitfulness, pruning, graft- 

 ing, V)n(l(ling, varieties, methods of extracting the oil, packing, apparatus, pickling, 

 processing, grading, and pests affecting olives are popularly considered. The woi'k 

 is based wholly on California conditic^ns, methods, and practices. 



Culture of the olive, N. Minangoin [Bui. Dir. Agr. et Com., 5 {1900), No. 15, 

 pp. 4G-GS). — Systems and methods of culture of the olive employed in Tunis. 



The Russian olive, C. S. U.vrrlson {Amer. Card., 21 {1900), No. 2SG, p. .jO.'j, jhj. 

 1). — History and description of this ornamental tree in Nebraska. 



The peach, C. Tkeiugxaku {llev. IIoH. el V'd., 32 {1900), No. 6, ]>]>. 110-1 IS, Jhjx. 

 2). — Tyjies of fruit liranches and pruning are considered. 



The service tree and its fruits, A. Truelle {Du sorbus domestica et de ses fruits. 

 Alen<;on: E. Renaidl de Braise, 1S9S, pp. 23). — This discusses the varieties and uses of 

 this fruit in the different countries of Europe and gives directions for its propagation 

 and culture. 



Culture of tree and bush fruits, A. Du Breuil {Culture des arbres el arJirisseaux 

 a fruits de table. Furls: (J. Massov, ]>p. 693, figs. 53). — In the general part of this 

 work all the operations of the orchard are considered. The special part takes up all 

 the more important orchard fruits, including citrus fruits, figs, ap])les, pears, cherries, 

 and the like, table grapes, nuts, etc., and gives complete cultural directions for each. 



Analysis of prickly pear, C. F. Jtritz {Bpt. Senior Avahjst, Cape Good Ilojie, 

 1S9S, pp. 63-60). — The composition of the young and older leaves, stalk, and inner 

 portion of the stalk of the prickly pear is reported. 



The culture of coffee {Bol. Agr. Miv. e Iiid. [Me.vico'}, 9 {1399), No. 3, pp. 4-172, 

 figs. 23). — A comprehensive article on the history, botany, chemistry, culture, and 

 manufacture of coffee. 



The establishment of a coffee plantation, F. W. Morren {Beiliefte Tropenpflan- 

 zrr, 1 {1900), Nos. 2, pjp. 39-71, figs. S; 3, pj). 75-118, figs. 6). — Directions for prepar- 

 ing the land, planting, manuring, cultivating, and pruning the trees, and harvesting 

 the crop, with notes on injurious insects and diseases affecting the trees. 



Present status of coffee culture in Brazil, F. W. Dafert ( Ueber die gegenu-iirtige 

 Lcige des Kafi)rlnnis In Brasilien. Amsterdam: J. H. de Bussy, 1898, pp. 63, charts 4). 



A cocoanut analysis, F. Bachofen {Queensland. Agr. Jonr., 6 {1900), No. 4, pt- 

 297). — The draft of the cocoanut on the soil is shown by the ash analyses reported of 

 the husk, shell, kernel, and milk of the fruit. 



Manual of practical viticulture, E. Durand {Manuel de viticulture pratique. 

 Paris: J. B. Bnilliere & Sons, 1900, pp. 4-4, fig!^- 147). — Chapters are given on the 

 organography and physiology of the vine, biological cycle, climate and soils, pro])a- 

 gation, cultivation, pruning, training, manuring, pests, and like subjects, making the 

 work a very complete treatise on practical viticulture. 



Some hints on ornamental planting, C. B. Waldron {North DaJcota Sta. Bui. 

 41, i>p. 471-491, figs. 3). — Popular suggestions to the farmers of the Northwest on the 

 planting of ornamental and economic trees and shrubs, with notes on some of the 

 more essential principles of landsca])e gardening. There is appended a jtaper on 

 "Locating shruljs for effect," by F. H. Nutter, and a table of hardiness of deciduous 

 trees and ornamental shrubs and vines taken from jNIinnesota Station Bui. 24 (E. S. 

 R., 4, p. 653). 



DISEASES OF PLANTS. 



Notes on various plant diseases, F. C. Stewart {N'evi Ym'k State 

 Sta. Bui. 16 If.., pp. Wl-'B'Bl., pis. 4-)- — Notes are given on a bacterial 

 rot of onions, powdery mildew on field-g-rown cucumbers, dodder on 

 cucumbers under glass, on the possible cause of the Baldwin fruit spot, 



