"_ eerie 
ad terminally paniculate; loments e 
_ BIADELPHIA. DECANDRIA. 109 
segment of the border often elongated; flowers viola- 
eous, rarely,white, the carina often expanding and eject- 
ing the stamina; the leaves ina few species exhibit a spon- 
taneous motion. 
Spectres. 1.H. canadense. 2. canescens. 3. marylandi- 
cum. 4. obtusum. 5. ciliare. Erect and subpilose, slen- 
der; leaves ternate, approximate, very shortly petiolate, 
leaflets small, oval, obtuse; stipules subulate; racemes ax- 
illary and terminally paniculate; articulations of the lo- 
ment oval, hispid. Has. Near Philadelphia and in New 
Jersey. v s. Under this name in Herb. Muhl. A small 
and slender species about 2 feet high; stem pilose below, 
leaves often smooth as well as pubescent, about the same 
size and form as in Buus sempervirens, approximating so 
as to be crowded below; panicie slender and considera- 
bly branched; flowers proportionably small, violet. Allied 
to H. glabellum 6. viridifiarium. "This species grows in 
Mr Louisiana as well as in the Atlantic States. 7. g/a- 
ellum. : 
8. *Levigatum Very smooth; stem simple, erect, and 
somewhat glaucous; leaves ternate, long petiolate, leaflets 
ovate, acute, stipules subulate, minute and deciduous; pa: 
icle terminal, nearly simple; flowers by pairs upon long 
peticles; bractes bvate, acute, shorter than the flower buds. 
Han In the forests of New Jersey; rare. Rather large, 
and the smoothest of the North American species. Lower 
petioles about 3 inches long; larger leaflets 3 inches long, 
and one and a half broad, every where perfectly smooth, 
and somewhat glaucous beneath, sometimes elliptic- 
ovate, constantly dimimshing in size upwards; the stem 
attenuated into the terminal and racemose panicle, rachis 
of the panicle and peduncles minutely pubescent; lowest 
segment of the calix conspicuously elongated. The fruit 
i have not seen. Allied to #. cuspidatum, but pe ' 
distinct. 9. cuspidatum. H. bracteosum. Mich. Fl. Amer. 
2. p. 73. 10. panieulatum. 11. strictum. Pu. Erect and 
triangular, 
spid, isthmus filiformly narrowed. Has. In the forests 
of New Jersey; rare. A distinet species, but allied to 7. 
paniculatum. 12. glutinesum, H. acuminatum. Mich. 13. nu- 
