88 NEOPHYTOPr 



feet high, flowers small, umbels crowded 12 to 

 24 flowers. • 



470. Trad, reftexa var. drepisia Raf. diff". 

 umbels pauciflore 6-8fl. 2 invol. quite equal fal 

 cate. Alabama. 



471. Trad, rosea Mx. Carolina to Louisi- 

 ana, very distinct sp. by many short involucres, 

 smooth graminiform leaves and rosate flowers. 



472. Trad, rosea var. paucijlora Raf. Tr. 

 graminifolia Raf. atl. J. 148. differs by few un- 

 equal flowers in the umbel. Florida and Ala- 

 bama. 



473. Trad, divaricata Raf. atl. J. 148. 

 Leaves remote divaricate oblong lanceolate, 

 umbels multiflore, invol. 2 subequal lanceol. di- 

 varicate, calix smooth. — In Florida, near the 

 next, but quite smooth and umbels different. 

 Seen in the herbal collected by Gates. 



474. Trad, riparia Raf stem simple, leaves 

 oblong lanceolate flat abreviate smooth, base 

 and sheaths ciliate, single terminal umbel 3-5 

 flore, involucre 2-3foliose subequal, peduncles 

 short erect calix bearded — a very distinct and 

 rare sp. only found once in 1818, in the bed of 

 Green R. in Kentucky tiear the mouth of it, 

 and since received from Alabama ; it has the 

 habit of a Commelina, the stem only 6 to 10 in- 

 ches high, leaves shorter than in any other kind 

 1 to 3 inches long, thin and smooth, invol. sim- 

 ilar, flowers pale blue as in Commelina, estival, 

 blossoming in August. 



475. DioscoREA MEGAPTERA Raf. scandcnt, 

 leaves alternate smooth cordate acuminate 7 to 

 9 nerved, petiols elongate spikes axillary ra- 

 mose lax, fruit large uncial fulvous rounded 

 with 3 wide wings — in Kentucky, estival, near 

 to D. villosa but smooth and fruit uncommonly 



