162 BOTANICAL GAZETTE [AUGUST 
“Contributions to the flora of Siam’ have issued an interesting paper on the 
little known flora of that region. A general sketch of the vegetation is from 
the pen of Dr. Kerr, and a “List of Siamese plants with descriptions of new 
species” is the work of Mr. Crars. Several new species are added to the 
flora and one new genus (Pittosporopsis) of the Icacinaceae is proposed.—W. 
Liesky (Acta Hort. Petrop. 26:119-616. pls. 3-6. 1910) continues his im- 
portant publications on the flora of central Asia. The present contribution 
contains descriptions of several new species, particularly in Astragalus and 
Po ntilla. The treatment of the latter genus was contributed by the noted 
specialist Ta. Wotr.—T. H. MacsripE (Mycologia 3:39, 40. pl. 36. 1911) 
describes and illustrates a new genus (Schenella) “pebiealy referred to the 
yxomycetes. The material on which the genus is based was found growing 
on a decaying pine log in the Yosemite Valley, California——M. E. McFapDEN 
(Univ. Calif. Pub. Botany 4:143-150. pl. 19. 1911) presents an account of “A 
Colacodasya from southern California,” and in conjunction with Dr. W. A. SET- 
escribes a new species (C. verrucaeformis) found growing on Mychodea 
episcopalis J. Ag.—E Ma MERRILL and M. L. Merrirr (Phil. Journ. Sci. Bot. 
5:371-403. pls. 1-4. I map. 1910) in a concluding article on “The flora of 
Mount Pulog” have published Ir new species of Sympetalae. Two new genera 
are described by Mr. MERRILL, namely Loheria = the Myrsinaceae and 
Merrittia of the Compositae—W. A. Murritt (Mycologia 3:23-36, 79-91. 
1911) has issued the first two papers of a proposed series of articles on ‘‘The 
Agaricaceae of tropical North America,” recording new species in Leucomyces, 
imacella, Russ 
7:11, 12. 1911) describes a new species of Schmaltzia (S. pubescens) and one of 
Carduus (C. vernalis) from Colorado.—F. W. PENNELL (Torreya 11:15, 16. 
1911) records a new species of Gerardia (G. racemulosa) from New Jersey.— 
C. B. Roprnson (Phil. Journ. Sci. Bot. 5:465-543. 910) begins a monographic 
onsideration of the “Philippine Urticaceae,” treating 9 genera to which are 
referred 86 indigenous species, about one-half being new to science. One new 
genus (Elatostematoides) is proposed.—E. Rosenstock (Rep. Nov. Sp. 9:67-76. 
ome has published 16 new species of ferns, 5 of which are from Costa Rica. 
. A. Ryppere (Bull. Torr. Bot. Club 38:11-23. 1911) in continuation of 
his “Studies on the Rocky Mountain flora” has described several new species 
of Compositae.—G. SCHELLENBERG (Mitt. Bot. Mus. Univ. Ziirich, No. 50, 
pp. 1-158. roro) under the title “Beitrage zur vergleichenden Anatomie und 
zur Systematik der jaa has published or results of a detailed study 
of this family, recognizin enera and over 100 species. One new genus 
(Santaloides), based on . Afzelii Planch. He Africa, is new to science. 
—A. K. ScHINDLER (Rep. Nov. Sp. 9:123-125. 1911) under the title “ Halorrha- 
gaceae novae I” includes two new species of Gunnera from Peru.—R. SCHLECH- 
TER (ibid. 21-32) has published 20 new species of orchids, 13 of which are from 
Central and South America.—F. J. SEAVER (Mycologia 3:57-66. 1911) pub- 
lishes the results of studies in Colorado fungi and includes descriptions of 
