58 NEOBOT. 



878. PA if AX AMERICANUM B. quinquefollutti 

 var. do R. med. fl. t. 71. perennial, root fusi- 

 form tuberose, stem streight, folioles 3 to 5 un- 

 equal, petiolate, 3 large serrate cuneate acumi- 

 nate, two small at base subovate, sometimes 

 lacking, umbel equal to leaves. This is the fa- 

 mous American Ginseng found from Canada to 

 Missouri, quite different from the Chinese or 

 Tartarian sp. with 5 equal broad ovate leaves ! 

 It has also some varieties, 1 oboTatum with 

 broader leaves unequaly serrate, but still acute 

 at base, 2 elatum, very tall, 3 feet high, perhaps 

 only old age. For a long account of this plant 

 see my med. fl. 2. page 52 



ASCLEPIAS and akin 



879. GONOLOBUS BIFXORUS Raf. Coll. belb. 

 prostrate hirsute, leaves small cordate ciliate 

 acute on short petiols sometimes obliqual ; flow- 

 ers geminate, peduncles equal to petiols on 

 Red River in Arkanzas and Texas, remarka- 

 ble by small leaves and flowers, one fourth in 

 size of G. hirsutus. flowers dark purple, lobes 

 oblong obtuse : whole plant except corolla co- 

 vered with soft white hairs. 



880. ANSONIA TENWFOLIA R. stem suffruti- 

 cose ramose smooth, branches pubescent, leaves 

 narrow linear uninerve quite smooth, margin re- 

 volute, end obtuse Florida found by Kin. One 

 of the 3 sp. blended in A. angvstifolia^ which 

 has leaves linear lanceolate, stem herbaceous 

 pilose. The A. ciliata of Walter I have also 

 and is quite distinct by flat leaves broader al- 

 most lanceolate quite ciliate with several small 

 lateral nerves. There are 3 similar deviations 

 In A. latifolia with ovate acuminate leaves, 2d 

 with elliptic acute leaves, A. ettiptica^ 3d with 

 lanceolate leaves which is A. salici folia. I have 



