BOTANY. 421 



New or note-worthy American grasses, VII, G. V. Nash (Bui. Torrey Bot. Club, 

 24 (1897), No. 7, pp. 344-350). — Erianthus laxus, Panicum atlanticwm, P. pcvrvispiculwm, 

 Panicula/ria borealis, and P. brachyphylla are described as new. 



Marram grass (Kew Misc. Bui.. isf>7 , No. 127, p. 211). — This grass, Ammophila 

 arundinaeea, is said to he an excellent binder tor sand dunes, etc. 



A monograph of the Geoglosseae. (i. Massee (Ann. Bot., 11 (1897), No. 42, pp. 

 225-306, ph. 2). 



Notes on the oxydase of mushrooms, R. Ferry i Rev. My col., 19 (1S97), No. 76, 

 pp. 130-141). — Notes are given on tyrosinase. 



Phallin, Robert (Rev. Mycol., 19 (1897), No. 76, pp. 121-127). — The origin and 

 action of this toxalbumin are described. 



On the development of the Uredineas, J. Schroeter (Abs. in Bot. Centbl., 

 Beiheftr 7 (1897). Xo. 1, pp. 3, 4). 



Some physiological properties of a Myxomycete Plasmodium, J. B. Clifford 

 (Ann. Bot., 11 (1897 I, No. 42, pp. 179-186, figs. 3). 



The functions of latex, R. H. Biffin (Ann. Bot., 11 (1S97), No. 42, pp. 334-339). 



On the structure and function of stomata on petals and anthers, Grace D. 

 Chester (Ber. deut. bot. Gesell., 15 (1897 i, No. 7, pp. i20-4Sl,pl. 1). 



On the presence of soluble starch in the leaves of Cola, P. Gtjerin (Bui. Soc. 

 Bot. Franc. 44 (1897), No. 2, pp. 91-95). 



The phenomena of symbiosis, A. Schneider (Minn. Bot. Studies, 1897, Bui. 9, 

 Pis. X, XI. pp. 922—948). The author discusses symbiosis in general, and gives a 

 bibliography of about 75 titles in addition to those given in Bulletin 9, Part IV of 

 this series. 



The forces determining the position of dorsiveutral leaves, R. N. Day | Minn. 

 Bot. Studies, 1897, Bui. 9, Pis. X, XI, pp. 743-', 



Concerning the assimilatory tissue of stems deprived of their leaves, A. 

 Boirivant (Compt. Bend. .lend. Sei. Paris, 125 (1897), -No. 6, pp. 368-370). — A report 

 of experiments conducted with quite a range of plants is given. The foliage was 

 removed and the changes in tissue noted. The stems or petioles, where only the 

 blade of the leaf was removed, was able to develop a considerable amount of chloro- 

 phyll-bearing tissue, as well as numerous changes in the cell structure, stoinatic 

 arrangement, etc. 



Studies on the fertilization of Zamia, II. J. Webber (Bot. Gas., 23 (1897), Xo. 6, 

 pp. 453-459, pi. 1: 24 | 1897), Xo. 1, pp. 16-22, figs. .5).— The author reports upon the 

 discovery of autherozoids in the pollen tubes of Zamia. They are remarkable on 

 account of their size, being visible to the unaided eye. 



Notes on the fecundation of Zamia and the pollen tube of Ginkgo, H. J. 

 Webber (Bot. Gaz., 24 (1897), No. 4, pp. 225-235, pi. 1). 



The correlation of growth under the influence of injuries, C. 0. Townsend 

 (Bot. Gaz., 24 1891 i, No. ■>, p. 191). — Abstract of a paper read befoie Section G of 

 the American Association for the Advancement of Science at the Detroit meeting, 

 August, 1897. 



Comparative anatomy of the normal and diseased organs of Abies balsamea 

 affected with .fficidium elatinum, A. P. Anderson (Bot. Gaz., 24 (1897), No. 3, p. 

 191). — Abstract of a paper read before Section G of the American Association for 

 the Advancement of Science at the Detriot meeting, August, 1897. 



The toxic action of phenols on plants, P. H. Trie and C. G. Hunkel (Bot. 

 Gaz., 24 (1897), No. 3, p. 190). — Abstract of a paper read before Section G of the 

 American Association for the Advancement of Science at the Detroit meeting, 

 August, 1897. 



Phyllogeny and taxonomy of angiosperms, C. E. Bessey (Bot. Gaz., 24 (1897), 

 Xo. 3, pp. 145-178). — Address as retiring president of the Botanical Society of 

 America, delivered at Toronto, August 17, 1897. 



A convenient potometer, D. T. MacDougal (Bot. Gaz., 24 (1897), No. 22, pp. 110- 

 114, fig. 1). — Figures and describes a simple device for measuring the amount of 

 water taken up by a plant. 



