1916] CURRENT LITERATURE 511 
Synandrodaphne Gilg of the Thymelaeaceae, Centrostigma and Stolsia Schltr. 
of the Orchidaceae.—A. W. Evans (Bull. Torr. Bot. Club 42:259-308. 1915) 
presents a discussion of the genus Plagiochasma in North America. Six 
species are recognized, one of which (P. Landii) from Mexico is new to science. 
—O. A. FarwELt (ibid. 247-257. pls. 12-18. 1915) presents a paper on the 
genus Polygonatum in Michigan; 5 species and several varieties are recognized. 
—R. G. Fracoso (Bot. Soc. Esp. Hist. Nat. 15:120-132. 1915) under the 
title ‘“Hongos parasitos de la florula hispalense, nuevos 6 poco conocidos 
describes several species of fungi and includes a new genus (Septoriopsis 
Fragoso and Paul) which is parasitic on citrus fruits —F. GAGNEPAIN (Not. 
Syst 3:180-192. 1915) under the title ‘‘ Papilionacées nouvelles ou critiques”’ 
has published several species new to science and describes the following new 
genera: Antheroporum, Diphyllarium, and Endomallus from China.— H. M. 
Hatt (Univ. Calif. Publ. Bot. 6:165-176. p/. 20. 1915) has published 7 new 
species of flowering plants from California and records important data on other 
species occurring in the state——H. Harms (Rep. Sp. Nov. 13:523-527. 1915) 
has published 2 new species of Prosopis from Paraguay and 7 new species of 
Inga from Central and South America.—E. Hasster (Rep. Sp. Nov. 14:157- 
159. 1915) describes a new species of Zexmenia from Argentina and transfers 
two additional species to this genus from Verbesina. The same author 
(ibid. 161-180) has published several new species and varieties of flower- 
ing plants from Paraguay.—L. Hauman (Anal. Mus. Nac. Hist. Nat. 
Buenos Aires 27:285-306. 1915) under the title “Note sur les Joncacées 
des petjts genres Andins” describes and illustrates a new genus Andesia, 
based on Oxychloe bisexualis Kuntze. The same author (ibid. 441-516) 
gives a synoptical revision of the Dioscoreaceae of Argentina, describ- 
ing and illustrating several new species and varieties—B. Hayata (Tokyo 
Bot. Mag. 29:31-34. 1015) has proposed a new genus (Pseudixus), 
based on Viscum japonicum Thunb.—T. Herzoc (Mededeelingen Rijks 
Herb. no. 27. pp. 1-90. 1914-1915) in cooperation with several special- 
ists records the plants collected by Dr. Tx. Herzoc in Bolivia during the 
years 1910 and 1911. Upward of 60 species new to science are described, and 
one new genus (Eleutherostemon) of the Ericaceae is included.—A. S. Hitcu- 
cock (Am. Jour. Bot. 2:299-310. 1915) under the title “New or noteworthy 
grasses” records important data concerning a number of species, makes seve 
new combinations, and describes 7 species new to science.—A. S. HitTcHCock 
and A. Cuase (Contrib. U.S. Nat. Herb. 17:459-539- 191 5) under the title 
“Tropical North American species of Panicum” have published an important 
contribution to our knowledge of this genus supplementing their recent revision 
of the group. In the present paper the authors recognize 116 species and 3 
subspecies; and of these, 9 species are new to science. A valuable factor in 
this paper is the introduction of an outline map on which the geographical 
distribution of each species is indicated—H. D. House (N.Y. State Mus. 
Bull. 176. p. 38. 1915) describes a new species of Physostegia (P. latidens) from 
