74 BOTANICAL GAZETTE © [JANUARY 
new variety of Aster laevis, and one of Arnica Parryi from Colorado.—F. 
PeTRAK (Bull. Soc. Bot. Genéve II. 2:167-171. 1910) has published a new 
one (Wettsteinia) of Compositae, based on Carduus nidulans Ruprecht. 
. Puitires (Kew Bull. 286-290. 1910) has characterized a new genus 
(s Aataliobels) of the Proteaceae; the genus is a segregate from Spataila, difier- 
ing principally in having a it calyx and conical stigma and, as present 
understood, contains 5 species, all of south African distribution —L. QUEHL 
(Monats. fiir Kakteenkunde 20:139, 140. 1910) describes and illustrates a 
new species of Mamillaria (M. Emskétteriana) from Mexico—J. F. Rock 
(Bull. Torr. Bot. Club 37: 297-304. 1910) has published 4 new species of flower- 
ing plants from Hawaii.—P. A. RyDBERG (ibid. 313-335, 443-471) in continua- 
tion of his ‘‘Studies on the Rocky Mountain flora’’ has described several 
new species of Compositae.—V. SCHIFFNER (Oesterr. Bot. Zeitschr. 60: 169- 
wu 
Heteroscyphus.—R. SCHLECHTER (Rep. Nov. Sp. 8:453-458. 1910) has pub- 
lished several new species of Orchidaceae, of which 7 are from Central and 
South America.—J. K. SMALL (Torreya 10:186-188. 1910) describes a new 
genus (Carteria) of the Orchidaceae; the plant is a native on the Everglade 
Keys, Florida, and is also said to occur in the Bahamas.—D. R. SUMSTINE 
(Mycologia 2:125-154. 1910) under the title “The North American Mucorales 
I” gives a synoptical treatment of the group with keys to the genera and species. 
—F, THEISSEN (Broteria Ser. Bot. 9: 5-44. 1910) under the title “‘ Perisporiales 
Riograndenses”’ gives an annotated list of the Perisporiaceae of southern Brazil, 
including several species new to science; the list is supplemented by a cata- 
logue of the host plants.—C. Torrenp (ibid. 45-53) presents the results of 
t 
lachnum) of the Discomycetes.—P. Witson (Bull. Torr. Bot. Club 37:437; 
438. 1910) has described a new species of Ravenia and one of Spathelia from 
eastern Cuba.—F. A. WoF (Mycologia 2: 241, 242. pl. 32. 1910) has published 
a new species of Macrophoma; the fungus is parasitic on leaves of the American 
mistletoe (Phoradendron flavescens), and up to the present time has been 
found only in Texas.—H. Wotrr (Rep. Nov. Sp. 8:414, 415. 1910) has pub- 
lished two new species of Eryngium, namely E. Ekmanii from Argentina and 
Harmsianum from California—Several authors (Kew Bull. 192-197- 
1910) have described new species of flowering plants, including a new Tabebuia 
(T. stenocalyx) from Trinidad and a oe (C. penduliflora) from Peru.— 
J. M. GREENMAN. 
ssian grain rusts.—During a number of years JACZEWSKI has made a 
cone of the grain rusts in Russia, the results of which have been published in 
a Russian monograph. Salieving that local observations in different regions 
may serve to elucidate some phases in the life history of the rusts, the author 
has made those results of his studies which might be of general interest av rail- 
