52^2 



VERNONIA sericea; /3; purpurascem. 



Simplc'Stemined Vemonia. 



SYNfiENKSIA POLYGAML-i .BQVJLI^. 



Nat- ord. CoMPOSiTiE. Adansonfum, % 103. 



CoRYMBiFERJE. Jitssieu ffen. 177- Div. L 

 Vernonie^. Cassini injourn. de phys. 88. (an 1819J 191, 



VERNONIA. CaL ovatus, imbricatus. Stigma 2-fiduTn, breviuacu- 

 lum. Recept. nudum. Pappus duplex; exterior paleaceus, interior capiU 

 laris- Persoon syn* % 404. 



Genus, ex D. Cassini, tripartitb disponetidum : 1. Vernoni^ verjk 

 squatnis periclinii (foliolis interioribus calycis) appendice »ubu1ato spinescente 

 preejixis; quales sunt noveboracensis, pnsalta, oligophylta, et angustifolia : 

 2. AsCARiciD^ sguamis pradictis appendice lata foliaceo subspathulaio 

 terminatis; quails est anthelmintica : 3. Lepidaplo^ iisdem inappendicu- 

 laiis; quales sunt glauca, fasciculata, urbor^scens, divaricata, scorpioides, 

 et albicaulis. Cassini in noun, bulletin, an 1817* 06; (textu gallico passiM 

 desumptumj. 



hupiDAPLOM foliolis intimis calycinis inappendiculatis, 

 V. sericea, foliis lineari-laQceotatis subtits sericeo-iucanis utiinque totnentosis 



subintegris^ floribus altemis secundis sessilibus. Richard in acles de la 



soc. d^hist. nat. de Paris. 112. 

 Vemonia sericea. Persoon syn. 2. 404. 

 (/9) flore purpurascente. 



(0) Caulis suffruticosuSf simplex, erectus, teres^ villoso-canescens, 4-5- 

 pedalis v. ultrd, totus superne foliosus atque fiexuaso-recnnms. FoK mcm- 

 branacea^ subbifariam alterna^ patentia, angusta^ eUmgato-lanceQlata, acn- 

 minata, appressh pubescentia, subtiis pilis iangioribus sertceis canescentiaf 

 subintegrut margine subrepando-re^exa, S-4^tmcialta v. longiora latitudine 

 semunciali v> tnajore, basi anguste subovata: pet. latimculo brevissimo. 

 Flores roseo-purpurascentes, foliis mperioribus axillareSf solitarii, secundi, 

 sessiles. Cal. oblongus, ordine plwimo imbricatus uncato-squarrosus^ villosus, 

 viridi-subcoloratus, foUoIis (squamis, Cass.) sursum gradatim longioribus, 

 ciliatis, inferioribus (involucri Cass*) lanceolatis suprA subulato-reflexis, inte- 

 rioribus (periclinii Cass.) purpiirascenObus lineari-lignlatis pbtrimUm longio- 

 ribusj rectis, obtusis. Pappus interior denticulato-capillaris. Germ, seri- 

 ceum, Recept. scrobiculato-punctatum. 



The great family of Compositce has been distributed by 

 M* Cassini into numerous natural groups, termed by him 

 tribes^ severally distinguished by names which are modifica- 

 tions of those of the most prominent genus comprised in the 

 particular tribe. And although the chai-acters of these sub- 

 divisions have not yet been shaped for systematic use, still 

 as the combinations appear true to natural affinity, wc have 



B 2 



