3YNGENESIA FRUSTRANEA 



445 



LEPTOPODA. Nuttall. 



a.. 



Involucrum 



poly- 



Involiicrmn 



many 



phyllum, foliis dpplici leaved, leaves in a dou- 

 serie. Flosculi radii ble series. Florets of 

 apice dilatati, 3-fidi. the ray dilated at the 

 SemiJia cylindracea. | summit, 3-cIeft. Seeds 

 Pappo membranaceo, [ cylindrical, crowned 

 sub 8-phyIIo, coronata. with a membranaceous 



« 



Receptaculum convex 

 urn, nudum. 



pappus, generally 8 



leaved. 



convex, naked. 



Receptacle 



I. PuBERULA. Macbride. 



I 



L. caule viscido-pu- I Stem viscidly pube 

 bescente, stricto; foiiis • 



alterhis, lineari-lance- 

 olatis, serai amplexi- 

 caulibus, glabris, punc 



tatis. 



caulinis 



scent, striate; leaves 

 alternate, linear-lance- 



olate^ 



semi araplexi 



caule, glabrous, dotted. 



inciso 



(lentatis; paleis pappi 

 fimbriatis. 



those 



of 



the 



stem 



notched and toothed; 



chaff of the pappus fim- 

 briate. 



Galardia Fimbriata, MJcli. 2. p. 142. Pursh, 2. p. 573. 

 Heleniura Vernale, Walt. p. 210. 



Root perennial. Stem about two feet high, simple, very pubescent to- 

 wards the summit, fistulous. Leaves alternate, those of the root sometimes 

 a iitUeobovate, generally lineaT-lanccoIate, slightly repand, witli an occa 

 sional serrature, generally decaying before the expansion of the flovverj 



inose ol the stem linear-lanceolate, with a few deep indentations, 

 sohtary, terminal. '' ' ' . . r . . 



Flower 



. . Involucrum many leaved, with the leaves arranged in 



^wo series, the exterior eighteen to twenty, equal, subulate, pubescent, near- 



y twice as long as the interior, the interior somewhat lanceolate, pubescent. 

 ^ lorets of the ray numerous, (nearly thirty,) yellow, dilated towards the 



umrait, three to four-cleft; of the disk very numerous, tubular, five-cleft. 

 -^famcns rather longer than the florets of the disk. Seed somewhat clavate. 



