908 THE AMERICAN NATURALIST. [VoL. XXXIV. 
for November last, recently issued, is an especially noteworthy illus- 
trated article on Peyotes, by which name are known certain alkaloid- 
bearing species of Senecio and Anhalonium. 
An index to the new genera, species, and varieties of plants 
described in the first twenty-five volumes of Engler’s Botanische 
Jahrbücher is brought to completion in the number of that journal 
issued on July 13 of this year. It occupies over ninety double- 
column pages. 
A forest fire about 2000 years ago forms the subject of an inter- 
esting article in Zhe Canadian Record of Science for July, by G. F. 
Matthew, who obtains his information from the exploration of the 
contents of a recently opened bog near St. John. 
An illustrated paper on the comparative anatomy of Chlorophytum 
elatum and Tradescantia virginica, by Gravis and Donceel, is published 
in Vol. II of the current series of Mémoires de la Société royale des 
Sciences de Liége. 
Some of the unpublished results of the investigation of the tannins 
by the late Professor Trimble appear in the American Journal of 
Pharmacy for September. 
The park and city flora of Detroit, comprising thirteen pterido- 
phytes and eight hundred and forty-eight spermatophytes, is listed 
by O. A. Farwell in the eleventh Annual Report of the commissioners 
of parks and boulevards of that city. 
Mr. Sudworth's account of the White River Plateau and Battle- 
ment Mesa forest reserves is reprinted from Vol. XX, Part V, of the 
Annual Report of the United States Geological Survey. 
Professor K. C. Davis's papers on the native and cultivated 
Ranunculacez of the United States are continued in Part IV of the 
current series of Minnesota Botanical Studies, the genera Delphinum, 
Ranunculus, and Thalictrum being passed in review. 
The West American Scientist for July contains Part V of Mr. 
Orcutt's “ Review of the Cactacez of the United States.” 
Mr. W. A. Wheeler publishes an ecological paper on the flora of 
southeastern Minnesota in the most recent number of Minnesota 
Botanical Studies. 
A preliminary report by Professor Hume on pecan culture, with 
figures of the better varieties of nuts, constitutes Buletin No. 54 of 
the Florida Agricultural Experiment Station. 
