BOTANY. 873 



A popular treatise on the physiology of plants, P. Sorauer (Translaied by 

 F. E. Weiss. London and New York: Longmans, Green 4' Co). 



Anatomy of the leaves of Arctic plants, F. Boergesen {Jour. Bot. France, 9 

 (1S95), No. 1, pp. 1-7; No. 2, pp. 21-27). — In the main the conclusions' are the same 

 as given by G. Bonnier (E. S. K., 6, p. 616). 



A contribution to the comparative anatomy of coniferous fruits, M. Rapais 

 {Ann. ad. Nat. Bot., 19 {1S94), No. S-6, pp. 165-368, ph. 15). 



Aerial roots of carnations, B. D. Halsted (Garden and Forest, 8 {1895), pp. 158, 

 25</). — An account is given of the presence of aerial roots on carnations. The author 

 thinks their presence was probably due to surplus moisture as well as a teitdency of 

 some individual plnuts to throw out such roots. 



Concerning the opening mechanism of floTArers, C. Steinbrinck (Ber. deut. hot. 

 Ges., IS (1895), No. 2, pp. 55-61, figs. 5). 



Concerning the opening and closing of flowers, F. Oltmaxxs {Bot, Ztg., 63 

 {1895), I, No. 2, pp. 31-52). 



The spontaneous movements of leaves of the Leguminosae and Oxalideae 

 A. Rodrigue {Bui. Soc. Bot. France,41 {1894), pp. CXXVLIL-CXXXIV). 



The functions of the beards on barley, A. Zoebl and C. MiKOSCii {Sitzungsier. 

 l-gl. Akad. tcissensch. Wien, 1892; ahs. in Ann. Agron.,21 {1895), No. 3, pp. 143, 144). 



Concerning the structure and arrangement of the laticiferous tissue with 

 special reference to gutta-percha and caoutchouc bearing plants, O. Chimani 

 {Bot. Centhl, 61 {1895), Nos. 10, 11, and 12, pp. 353-360, 385-395, and 417-426). 



Some factors influencing the health of plants under glass, B. T. Galloway 

 {Amer. Florist, 10 {1895), pp. 930-932). — An address delivered before the New York 

 Florists' Club, April 8, 1895. 



Remarks concerning the necessary amount of light for plants, J. Wiesner 

 [Ber. dcut. hot. Ges., 12 {1894), Generalversammlungs numher, 1895, Feh.l2, pp. 78-89). 



The effect of diastatic ferments on reserve cellulose, J. Gruss {Ber. deut. hot. 

 Ges., 12 {1894), Generalversammlungs numher, 1895, Feh. 12, pp. 60-72). 



The existence and localization of emulsin in Manihot spp., L. Guignard 

 {Bui. Soc. Bot. France, 41 {1894), pp. CLII-CVLL). 



On the presence of essence of w^intergreen in various plants, E. Bourquelot 

 {Bui. Soc. Bot. France, 41 {1S94), pp. XXXVIL-XL). — In addition to species of Gaul- 

 theria and Betala it is reported as found in Polijgala spp. and Monotropa hypopgtis. 



On the distribution of phosphorus in plants, G. Pollacci {Malpighia, 4, No. 8 

 and 9, p. 19; ahs. in Bot. Centhl., 61 {1895), No. 11, pp. 399, 400). 



On the classification of mucilage found in plants, L. Mangin {Bui. Soc. Bot. 

 France, 41 {1894), pp. XL-XLLX). — The various kinds of mucilage are classified 

 according to their action toward certain chemicals, into cellulose, pectose, callous, 

 mixed and intermediate. 



The reasons for the disappearance of reserve material in seeds {Flora, 79 

 {1894), pp. 419-429; ahs. in Bot. Centhl. Beihefte, 5 {1895), No. 1, p. 23). 



The nutrition of green plants by glycerin, E. Assfohl {Jour. Pharm. et Chim., 

 14 {1894), ser. 5, No. 12, p. 558; Ann. Agron., 1894, Oct. 28). 



Phenological notes on abnormal inflorescence observed in the autumn of 

 1893, A. Magnin {Ann. Soc. Bot. Lyons, 19 {1894). 



Concerning the symbiosis of Helianthus tuberosus and H. annuus induced 

 by grafting, H. VriciiTiNG {Sitzungsher. kgl. Akad. loissensch. Math. phys. Classe, 1894, 

 July 13; ahs. Bot. Ztg., 53 {1895), LI, No. 7, pp. 112-115). 



A room for constant temperature, W. Pfeffer {Ber. deut. hot. Ges., 13 {1895), 

 No. 2, pp. 49-54, fig. 1). — A description of an apparatus for regnlating the tempera- 

 ture of a room. 



Investigations on nuclear division, Degagny {Bui. Soc. Bot. France, 41 {1894), 

 No. 8 and 9, pp. 588-596). 



