380 EXPERIMENT STATION RECORD. 



of the two great divisions — PanicaceiB and Poacerp. By many students this omission 

 will 1)6 seriously felt, an acquaintance with the tribes or genera being almost essential 

 to use of the descriptions. 



The usefulness of the work for ready reference might have been improved had the 

 generic names been given more prominence and repeated on each page, either with 

 the specific name or as a side head at the top of the page, the generic name in sev- 

 eral cases being 20 pages or more from the species descri]>ed. 



A bibliography of about 100 works relating to \orth American grasses and a very 

 full index complete the work. 



Phyllotaxy as a guide to plant analyses, A. L. Benedict {liid. Torrey Hot. 

 Clnl, 23 {1S90), No. 11, pp. 435-439). 



A systematic account of the Phalloideae of the United States, l'.. A. Burt 

 {Bot. Gaz., 22 {1S9G), Xo. 5, pp. 379-391). 



A rearrangement of the North American Hyphomycetes, li. Pound and F. E 

 Clements {M'ntnemia Bot. Studies, Bui. 9,pt. 9, pp. 644-673). 



Concerning a new micromycete, F. Tognini {Bend. li. lunt. Lomh. scL c hit., sir. 

 2,29 {1S96); ahs. in Hedwigla, 35 {1896), No. 5, p. 119). — Notes are given oi Acremoniella 

 verrucosa, which is probably the cause of a new grain disease. 



New species of micromycetes, F. Tassi {Atti. della B. Jcad. Fisiocrifici, ser. 4, 

 8 (1890), p. 10; «'w. in Crnthl. Bakt. und For. AUg., 2 {1896), Xo. 19, pp. 616-618). 



Remarks on the inflorescence of Ro.sa, F. Crkpin {Bui. Soc. Boy. Bot. Belgique, 

 34 {1S95), II, pp. 32-53). 



Investigations on the anatomy of the Betulaceae and Corylaceae, A. M. 

 Boubier {Coutr. Bof. Lah. Unir. (iencre, ser. 3, 6 {ISOi',), pp.91, jigs. 24). — Anatomical 

 studies were made of Betula, Aluus, Corylus, and Carpinus. 



Investigations on the growth and anatomical structure of the ash (Fraxinus 

 excelsior), F. Schneider {Forsil. naturw. Ztschr., 5 {1890), Xo. 11, pp. 421-438). 



A study of some anatomical characters of North American Gramineee, VII, 

 T. Holm {Bot. Gaz., 22 {1896), Xo. 5, pp. 403-406, pi. -?).— Notes are given on Amphi- 

 carpum Jloridanum and A. pursliii. 



A contribution to the biology of Myxomycetes, C. Lippeut ( Verhandl. zool. 

 hot. Ges. Weiu, 1896, p. 235; ahs. in Hedwigia, 35 {1896), Xo. 5, p. 100). — An account is 

 given of the sporangia of Fhysarum cinereum oroideum, Didymium microcarpuvi, 

 Choudriodcrma diffonue, ami Crihraria sp. 



On the stem anatomy of certain Onagraceae, F. Ramaley {Minnesota Bot. 

 Studies, Bui. 9, pi. 9, pp. 674-690, 2}ls. 3). — The author was una'ble to find any charac- 

 ters of sufficient constancy to use in systematic determination. 



Concerning the relation of the form of the leaves of Campanula rotundifolia 

 to light intensity, K. GoEREL {Sit:ungsher. math, physikal. Akad. TVissmsrli . Miinclten, 

 1895, Xo. 3, pp. 331-335). 



On the correlation of heliotropism and geotropism, F. Czapek {Sitzungsher. kgl. 

 Akad. TTi.vSfjisc/i. IVien, vol. 104; ahs. in Bot. Centbh, 68 {1896), Xo. 4, pp. 117-119). 



Ascent of water in trees, F. Darwin {Gard. Chron., ser. 3, 20 {1896), Xo. 509, 

 2}p. 374, 3751. — A brief abstract is given of a jiaper read by the author before Section 

 K of the British Association at its meeting Sei)tember 18, 1896. 



Influence of continued electric currents on the decomposition of carbonic 

 acid in aquatic plants, M. Thouvenix {Bev. gen. Bot., S {1896), Xo. 95, pp. 433-450). 



Abnormal formation of resin ducts and other anatomical changes in the wood 

 of diseased conifers, A. P. Andeiison {Forsil. naturw. Ztschr., 5 {1896), Xo. 11, pp. 

 439-454). 



Unnatural colors in foliage {Garden and Forest, 9 {1896), Xo. 457, pp. 471, 472). 

 Green and blue colors in leaves and flowers, H. Moliscii ( Wiener Illus. Gart. 

 Ztg., 20 {1896), Xo. 8-9, pp. 287-301).— The author gives a resume of information 

 relative to chlorophyll and anthocyan. 



External characteristics of root tubercles of Leguftninosae, D. Clos {('ompt. 

 Rend., 123 {1S96), Xo. 9, pp. 407-410). 



