1898 | BRIEFER ARTICLES 451 
—Including A. ¢uberosa Moench of Atlantic North America, and 4. 
macrantha Oliv., A. carnea Benth., and A Fortunet Maxim. of Asia. 
TYLOsEMiuM. Standard produced at the apex into a thickened 
spongy appendage. Root apparently single, irregularly spheroidal, 
and of great size.—Name from TvAos, lump, and onpeiov, vexillum.— A 
single species, described below, which, notwithstanding the differences 
indicated, is obviously congeneric with the other species just enumer- 
ated under Evapios. 
A. Priceana, n. sp.—Vigorous herbaceous twiner: stem terete, 
slightly striate, at first covered with a fine reflexed pubescence, but 
1 root (18™ 
em Jong, the 
nt upon 
sing from a large oblate spheroida 
those of the main stem 24 
leaflets sparingly pubesce 
Soon nearly glabrate, ari 
In diameter): leaves 3—9-foliolate ; 
Ovate or ovate-lanceolate acuminate 
