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~I 
BOTANICAL GAZETTE. 
two flowers, and will’stand as follows: 
$1. Spikelets one-flowered. 
1. . sericea, Munro; 2. E. punctata, Hamilton; 3. £. grandiflora (Helopus 
grandiflorus, Trin. : 
§ 2. Spikelets two-flowered. 
4. E. mollis, Kunth ; and var. longifolia or a new species. 
- GENERAL NOTES. 
Erythrea.—Professor Wittrock, of Stockholm, is publishing Exsiccate of 
the genus Erythrea. He wishes to include the North American species and 
any species within their reach. For compensation, by exchange or otherwise, 
they should correspond with Dr. N. Wittrock, Royal Academy of Sciences, 
Stockholm, Sweden. —A. Gravy. 
Notes on Economie Botany.—Ascyrum Cruz-Andree, d.—The — 
leaves, and especially the half ripe pods of “St. Andrew’s Cross,” are Me: 
quite extensively by the country people for checking bleeding at the nostrils. 
The parts used are crushed in the hand and the aromatic emanations inhaled, 
which seem sufficiently astringent to contract the capillaries and — 
flow of blood. 4 
Cotton Seed.—Before the manufacture of cotton-seed oil became so great an 
industry in the Southern States, the seeds of the cotton plant were largely a 
Waste product. Cattle were fed on the fresh seeds, to some extent, and sus- 
