1899] CURRENT LITERATURE 493 
carpa, both heretofore sections of Sericocoma, raised to generic rank; W. 
RUHLAND on Eriocaulon, in which thirty-nine species are recognized, six- 
teen of which are new; R. SCHLECHTER on new and little known plants of 
his own collecting, being a second fascicle, and containing descriptions of 195 
new species, one of which is the type of a new genus of Papaveracee, called 
Trigonocapnos.—_W. A. SETCHELL (Erythea 7: 45-55. 1899) continues his 
notes on Cyanophycee, describing two new species of Scytonema and’ one of 
Nostoc.—P. A. RypBerG (Bull. N. Y. Bot. Garden 1:257-278. 1899) has 
published an account of the cespitose willows of arctic America and the 
Rocky mountains, including thirty-three species, ten of which are new.— 
J. K. SMALL (26d. 278-290), in continuing his studies upon the flora of 
southern United States, has described seventeen new species in miscellaneous 
genera.— GEO. V. NASH (2d2d. 290-294) has just described five new southern 
grasses.— M. L. FERNALD (Proc. Am. Acad. 34: 485-503. 1899) has been 
studying Eleocharis ovata and Scirpus Eriophorum, and discovers consider- 
able confusion and massing of forms. What has gone under the former 
name, a European species, proves to be for the most part distinctly American, 
and is E. obtusa Schultes. True £. ovata R. Br. also occurs at a few stations ; 
while out of the plexus of forms three new species (EZ. lanceolata, E. monti- 
cola, E. Macounii) and four new varieties are disentangled, besides three 
already described species and one variety. In the case of Scirpus Eriopho- 
rum Mx. two new varieties are described, and a new species (S. atrocinctus) 
and variety separated.—L. M. UNDERWOOD (Bull. Torr. Bot. Club 26:205- 
216. 1899), in his second paper on American ferns, discusses the genus 
Phanerophiebia Presl. which contains the form commonly called Aspidium 
juglandifolium, recognizing eight species, four of which are new.—™. P. 
BICKNELL (dba. 217-231) has begun a study of Sisyrinchium, this first paper 
containing descriptions of sixteen new species from the southern statés.— 
B. L. Roprnson (ddéd. 232-235) has published a revision of Guardiola, 
recognizing nine species, five of which are either new or are raised to specific 
rank.—AVEN NELSON (26d. 236-250) continues his descriptions of new 
plants from Wyoming, the present fascicle containing twenty-two new species: 
two of which are included in a new genus (Wyomingia) founded on Evigeron 
pulcherrimus Heller.—J. M. C. 
on), Professor H. Marshall Ward 
BEFORE THE Royal Society (Lond 
illd., a horn-destroying fungus. 
recently read a paper upon Onygena eguina W 
The following is an abstract by the author: 
The genus Onygena comprises half a 
imperfectly known, remarkable for their growth 
etc., on which their sporocarps appear as dr 
Io™ high. A cow’s horn, thoroughly infested 
present species, yielded material for the investigation, 
dozen species of fungi, all very 
on feathers, hair, horn, hoofs, 
umstick shaped bodies 5- 
with the mycelium of the 
and the author has not 
