132 SYNGENESIA.. JEa^ALlS. 



flowered, scales naked, elliptic -oblong-, obtnse, appressed,^ 

 resiniterous, at length tioary. Hab In the Pine forests of 

 North and South Carolina.— About 2 feet high, every 

 where very smooth. Radical leaves often very long as in 

 X. heterophylla^ cauUne numerous. Spike 6 to 12 inches 

 long. Flowers bracteate, very closely sessile and erect. 

 Scales of the carix resiniterous, at It-ngtii appearmg whit- 

 ish and furfuraceous. I'appus about the length of the 

 seed, which is large and villous. Florets purple, inter- 

 nally smooth. 



10. elegans. Stem villous; leaves linear and scabrous; 

 flowers pedunculate; calix aljout 5-ilowered, scales pu- 

 bescent, internal ones ligulate, coloui'ed. 11. sphceroidea. 

 Calix about 20-flowered? 12. scariosa. Calix about 20- 

 Howcred, subi^iobose. 



13. sqiiurrosa. Pubescent and scabrous; leaves linear, 

 lower ones very long; pedimcles axDiary, 1-flowtred; calix 

 lai'ge. about 2'J-fiowei-ed, scales foliaceous, lanceolate- 

 ovate, mucronate, rigid and spreading; segments ot the 

 floiets linear, internally villous. Hab. From Virgn.ia to 

 Florida. About 12 inches high, and few-flowered. The 

 calix unusually lai'ge, like that of the genus Carthamns, 

 Florets of a brigiit violet-purple, deeply cleft, antl with 

 the segments internally villous, as in no other species of 

 the genus, except y>. cvtindracea. Siyle very long and 

 deeply cleft, pubescent. Papjjus piumose, purplish, about 

 20-ra\ed, rays moi-e than twice the length of tlie pubes- 

 cent and subcybndric seed. 



§ 11. FlOTs^ers subtoryni'fose or f(Vitigiate; roots Jibrous. 



14'. paucijl'tva. Ph. Georgia. 1j. puniciilata Corymb 

 paniculate, coarctate; stem and 5-flowered calix, some- 

 wliat viscidly pilose and scabrous: leaves ovate-lanceolate, 

 subacute, and nerved; siem simple. Hab. From Virgi- 

 nia to Florida. Flowers very small. 



16. odoratissima. Corymb paniculate, stem smooih, sim- 

 ple, and partly naked; leaves smooth, obaise and glaucous, 

 radical ones oblong-ovate, cauline ampiexicaule; calix 

 aboui 10-flowered. Hab. From Virginia to Florida. (Fa- 

 nilla-piant ) Leaves when dry exhaling tiie scent v>f Va- 

 nilla, which continues unimpaired for several years, of a 

 thick and opaque consistence, and disimctly nerved, those 

 of the stem very obiuse, the upper ones minute. Calix 

 mostly consisting of a double series of obtuse glandular 

 scales. 



17. * corymbosa. Stem solitary, simple and nirsute; 

 leaves lanceoiate-obiuiig, obtuse, nearly smooth, upper 

 ones very short; corymb partly simple, about 20-flo\vered, 



