308 BOTANICAL GAZETTE [way 
dad, a new Polyporus from Louisiana, and a new genus (Pilula) from tropical 
Africa —E. D. Merritt (Phil. Journ. Sci. Bot. 5:1-136. 1910) has published 
an “Enumeration of Philippine Leguminosae with keys to the genera and 
species,” recognizing 90 genera and about 280 species of this family in the 
Philippine Islands; one new genus (Monarthrocarpus) is proposed, being based 
on Desmodium securiforme Benth; 15 species and 4 varieties are new to science 
and several new combinations are made. The same author (ibid. 167-257) 
under the title “ New or noteworthy Philippine plants VIII” has ea 104 
new species of flowering plants and proposes the following new genera: Cur- 
raniodendron of the Saxifragaceae, Astrocalyx and einiiiaindte a the 
Melastomaceae, and Pygmaecopremna of the Verbenaceae——E. D. MERRILL 
and M. L. Merritt (ibid. 287-370) begin a consideration of ‘The flora of 
Mount Pulog,” one of the highest mountains of the Island of Luzon. The 
present article gives a general descriptive account of the island, characterizing 
four floral regions, or types of vegetation, and enumerates the plants from the 
Hepaticae to the Umbelliferae. The paper contains descriptions of two new 
genera (Aniselytron and Monostachya) of the Gramineae and 21 new species 
belonging to different genera of flowering plants—W. A. Murritt (Mycologia 
2:305. 1910) has described a new boletus (Gyroporus jamaicensis) from 
Jamaica.—J. A. Nreuwianp (Am. Mid. Nat. 1:263, 264. 1910) proposes a 
new genus (Bataprine) based on Galium hispidulum Michx.—C. H. OsTEN- 
FELD (Ber. Deutsch. Bot. Gesell. 28:397-400. 1910) has published a new 
genus (Thorosphaera) of the Coccolithophoraceae; the material on which the 
genus is based was collected in the Mediterranean Sea near Calabria.—S. B. 
ParisH (Muhlenbergia 6: 113-128. 1910) presents a useful synopsis of “The 
Southern California Juncaceae” with keys to the genera and species.—F. Pax 
(Bot. Jahrb. 45:234-241. 1910) under the title “Euphorbiaceae africanae XI” 
has published several new species and characterizes two new genera, namely 
Zimmermannia and Excoecariopsis —F. PeTRAK (Beih. Bot. Centralbl. 27?: 207- 
255. pls. 1, 2. 1910) under the title “Die mexikanischen und zentralameri- 
kanischen Arten der Gattung Cirsium” presents an interesting revision of the 
group, recognizing 27 species. The study is based on the material in the Royal 
useum of Natural History in Vienna—L. Quent (Monats. fiir Kakteen- 
kunde 20:149-150. 1910) describes and illustrates a new species of Mamil- 
laria (M. bombycina) from Mexico.—A. REHDER (Mitt. Deutsch. Dendr. 
Gesell. 1910, pp. 248-254) in an article entitled “Einige neue und kritische 
Gehélze” publishes a hitherto unrecorded form of Ribes Cynosbati from Ver- 
mont and West Virginia, a new form of Rosa pratincola from Central United 
States, and three new hybrids in the genus Hypericum.—H. H. Russy (Bull. 
N.Y. Bot. Gard. 6:487-517. 1910) has described 67 new species of flowering 
plants from Bolivia, based on collections made by R. S. WILLIAMs in 1901 and 
i90a--P, Rypserce (Bull. Torr. Bot. Club 37:541-557. 1910) in con- 
tinuation of his “Studies on the Rocky Mountain flora” has described 4 new 
species of Carduus.—C. S. SARGENT (Proc. Acad. Phila. 62:1 50-253. 1910) 
