No. 458.] NOTES AND LITERATURE. . 107 
Urbina gives an account of Pedilanthus aphyllus in the Boletín del 
Museo Nacional de México of March last. 
In the Gardeners’ Chronicle of Nov. 5 is given, by Müller, the first 
partial description of some of Sprenger's hybrid Yuccas. 
An account of the tight-chaffed wheats, “emmer ” and “spelt,” by 
Saunders, forms Bulletin No. 45 of the Central Experimental Farm, 
of Ottawa, Canada. 
A neatly illustrated handbook of “New England Ferns and their 
Common Allies,” by Helen Eastman, has been issued from The 
Riverside Press of Cambridge. 
315 Pteridophytes, of which a number are new, are noted for 
Isthmian America by Hieronymus in Engler’s Botanische Jahrbücher 
of October 25. 
A monograph of North American Ustilaginez, by Clinton, forming 
No. 57 of the “Contributions from the Cryptogamic Laboratory of 
Harvard University," is published as Vol. 31, No. 9, of the Proceed- 
ings of the Boston Society of Natural History. 
Arsenic in papers and fabrics, and the so-called arseno-molds 
belonging to the genera Aspergillus, Penicillium, and Mucor, are dis- 
cussed by Haywood and Warren in Bulletin No. 86 of the Bureau of 
Chemistry, U. S. Department of Agriculture. 
Sydow's “Monographia Uredinearum," in fascicle 5 reaches the 
end of Puccinia, of which 1231 species are recognized. The con- 
tents of the volume are rendered accessible by good indexes. 
A paper on Mexican Uredinex, by Holway, is contained in 
Annales Mycologici for September. 
Colletotrichum gleosporioides, and its attacks on the pomelo, 
form the subject. of Bulletin No. 74 of the Florida Agricultural 
Experimental Station, by Hume. 
Papers on Middleton Fungi— by Gates, and Fungi of Nova Scotia, 
a provisional list— by MacKay, have been separately issued from 
‚the Proceedings and Transactions of the Novia Scotian Institute of 
Science, Vol. rr. 
Petri discusses the diagnostic value of the capillitium of Tylostoma 
in Annales Mycologici for September. : 
A third edition of Frost’s “Laboratory Guide in Elementary 
