B24 TRANS. OF THE ACAD. OF SCIENCE. 
. Dr. Engelmann exhibited specimens and drawin: Hi 
« Buffalo-grass” of our western Prairies. It had 
satsbed, some forty years ago, by Mr. Th. — sealed v4 
name of Sesleria i METS ed neither he, nor any of the 
numerous subseq explorers, had discovered pistillate flow- — 
ers. herend a Banca edlleation made by his brothers 
he found mnie the ante also female specimens. I ey are 
: - 
ious grasses know iffer- 
ent 7 ston the male, so that they might have been taken for 
different species. There is another dineiees gr eS in 
far wi, 
the U. States on the coast of Texas,—as 
~~ undescribed. 
January ‘10, 1859. 
sident Dr. A. Wisiizenvs i in the chair, | _ - 
