SEEDS WEEDS. 427 



western Territory Experimental Farm in oroves, shelter belts, wind- 

 breaks, and along- avennes, with a censns of tlie varions species. The 

 Siberian pea tree {Caragana arhorescens) is considered the best shrnb 

 for lawns and Artemisia ahrotanum for wind breaks. For hedges, Arte- 

 misia willow, Manitoba maple, and jioplar rank in value in the order 

 named. 



The forest-tree planter's manual, J. O Barijett {MuineajtoHs : Pronressive Age 

 Pub. Co., 10th ed., 1803, pp. 1.28). — This is a paiui)hlet dealing with the diftevent 

 phases of timber cultivation, Avhicli are treated uuder several heads. The more 

 important indigenous trees and shrubs are mentioned, and the most pronunent ones 

 described in botanical sequence. The management of forest seeds, seedlings, and 

 cuttings is given, and their planting and cultivation detailed. The entomology and 

 general zoology of forests are touched upon, as also their climatic, sanitary, and 

 economic vahies. The subject of Government control of the forests is discussed and 

 advocated. 



Studies in forestry, J. Nisbet (Oxford: Clarendon Press, Sro., pp. 304). — A 

 series of lectures on the i)rinciples of sylviculture delivered at the Botanic Garden, 

 Oxford, m 1893. 



' Climatic and economic influence of forests, J. Nisbet {Ahs. in Agl. (ia:. N. S. 

 Wales, 5 {1894), Xo. 0, pp G74-i;7t;). 



The sprouting of oak stumps and their liability to infection by Agaricus mel 

 leus, R. Haktk; (Forxll. nafni-w. Ztschr., ■', (1894), Xo. 10, pp. 428-432). — The subject is 

 treated in a rather exhaustive manner. 



Influence of the age of fir trees on the power of germination of their seeds, 

 Clavdot (liev. Eaux ei Forets, 1894, No. 21, pp. 511-513). — Trees of al)out 150 years 

 produce seed of the highest vitality, as shown by the author's experiments. 



Notes on West American conifers, VI, J. G. Lemmon (Erythea, 2 (1894), No. 11, 

 pp. 173-177). — Descriptions of the thnnble cone pines. 



Eucalyptus globosus for swamp planting, .J. H. Hart (Ron. Hot. Card. Trinidad 

 Misc. Bnl. 24, pp. 295-297) — This tree failed in the low regions of Trinidad, while E. 

 ierelieornis and E. citriodora did exceedingly well, being l)etter adapted to tropical 

 conditions. 



Hybrid walnut trees, C. S. Sargent (Garden and Forest, 7 {1894), pp. 434-436, pi. 

 1). — A description and plate are given of a hybrid of Juejlans ref/ia and ./. cinerea, and 

 other hybrids, between J. ref/ia ami ./. niijra. and J. regia, J. nigra and J. californica, 

 are mentioned. 



The culture of willows. Yon Gflzlaff (Dent, landw. Pressc, 21 (1804), No. 86, pp. 

 811, 812). — A popular article giving the general procedure in osier cultivation. 



Valuable tree of New Caledonia, Le Mescam ( U. S. Consular Bpt. 1894, Sept., 

 p. 142). — Note on the niaouli tree (MeJaJenoa leucodendron), stating the value of its 

 timber and of antisejjtic distillations from the leaves. 



California experiment centers, I, C. H. Shinx ( (iarden and Forest, 7 ( 1894) pp. 442, 

 443). — An account is given of the Chico forestry station, its situation, equipment, 

 and lines of work undertaken. 



SEEDS— WEEDS. 



Contributions from the botanical laboratory and seed control 

 station of Hamburg, O. Birchard {Mittheilungen am dem botanisclien 

 Laboratorium mit SdmeitpyUfungsait.stalt in Hanibiirg, No. 4, 1894, pp. 

 i.9). — The contribntions consist of (1) a report on seed testing; (2) report 

 on Honr, meal, and feed testing; (3) scientific investigations; and (4) a 

 statement of the other work and the contributions from the laboratory. 



