1910] CURRENT LITERATURE 309 
Club 36:639-642. 1909) describes 3 new species of North American Crataegi.— 
F. Ercutam (Monats. Kakteenk. 19:177—180. 1909) has described a new species 
of Cereus (C. lepidanthus) from Guatemala.—A. D. E. ELMER (Leafl. Philip. Bot. 
2:631, 632. 1909) proposes a new species of Grewia (G. negrosensis) from the 
Philippine Islands.—A. J. Ewart, J. Wurre, and B. Rees (Proc. Roy. Soc. 
Victoria 22:6-23. pls. 3-10. 1909) under ‘‘Contributions to the flora of Australia, 
known Ecuadorian species and publishes one species new to science.—R. R. 
Gates (Rep. Mo. Bot. Gard. 20:123-1 37. 1909) presents a very useful analyti- 
cal key to some of the segregates of Oenothera; the key is supplemented by a 
bibliography and descriptive notes.—D. GrirritHs (ibid. 81-95. pls. 2-13) under 
“Tllustrated studies in the genus Opuntia II” describes 11 new species from 
southwestern United States.—L. S. Gress (Journ. Linn. Soc. 39:130-212. pls. 
TI~I6. 1909) in cooperation with several specialists contributes an important 
article on the montane flora of the Fiji Archipelago; the paper includes a number 
of species new to science.—E. L. GREENE (Muhlenbergia 6:1-3. 1910) has 
described 3 new species of Eriogonum from southwestern United States.—A. E. 
Gropfty (Bull. Soc. Bot. Genéve II. 1:357, 358. 1909) proposes a new genus 
(Ourococcus) of the green algae, based on Dactylococcus bicaudatus A. Braun.— 
E. Hackex (Rep. Nov. Sp. 7:311-327. 1909) under the title “Gramineae novae 
VI” has published 17 new species of grasses, chiefly from South America; one 
Senus (Schizachne) is new to science-—E. HACKEL and E. Hasster (ibid. 369- 
383) under the title ““Ex herbario Hassleriano: Novitates paraguariensis IIT” 
have described new species and varieties in the Gramineae, Rosaceae, and Mal- 
vaceae.—T’. Herzoc (ibid. 354-359), supplementing a recent article on new 
siphonogamous plants from Bolivia, has published 6 additional species; the same 
author (Beih. Bot. Centralbl. 26:45-102. pls. 1-3. 1909) has published 73 new 
species of mosses from Bolivia, and proposes three new genera (Polymerodon, 
Simplicidens, and Wollnya).—A. A, HELLER (Muhlenbergia 5:145-153. pls. 4, 5. 
1909) presents a second article on the ‘“Nevada lupines,” including a description 
and illustration of one new species.—A. W. Hitt (Journ. Linn. Soc. 39:216-230. 
1909) gives a Synopsis of the ‘‘Acaulescent species of Malvastrum,” recognizing 
18 species of which 5 from South America are new to science. —E. JANCHEN (Mitt. 
Naturwis. Ver. Univ. Wien 71-124. 1909) has published a monographic treat- 
ment of the Cistaceae of Austria-Hungary, recognizing four genera, as follows: 
Cistus (4 Species), Tuberaria (x species), Helianthemum (11 species), and Fumana 
(5 Species) ; bibliography and synonomy are given in detail.—M. E. Jongs (Contr. 
est. Bot. no. 13. pp. 1-16. 1910) under the heading ‘‘New species and notes” 
characterizes 15 new species and g new varieties of flowering plants from western 
United States—C. H. KaurMan (Rep. Mich. Acad. Sci. 1155-91. figs. 3. 1909) 
