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VERNONIA sericea; 6; purpurascens. 
Simple-stemmed Vernonia. 
SYNGENESIA POLYGAMIA EQUALIS. 
Nat. ord. Composit. Adanson fam. 2. 103, 
CORYMBIFERE. Jussieu gen.177. Div. I. 
VERNONIER. Cassini in gourn. de phys. 88. (an 1819) 191. 
VERNONIA. Cal. ovatus, imbricatus. Stigma 2-fidum, breviuscu- 
lum. Recept. nudum. Pappus duplex; exterior paleaceus, interior capil- 
laris. Persoon syn. 2. 404. 
Genus, ex D. Cassini, tripartitd disponendum: 1. VERNONIZ VERE 
squamis periclinii (foliolis interioribus calycis) appendice subulato spinescente 
prefixis; quales sunt noveboracensis, prealta, oligophylla, e¢ angustifolia: 
2. ASCARICIDE squamis predictis appendice lato foliaceo subspathulato 
terminatis; qualis est anthelmintica: 3. LEPIDAPLOM tisdem inappendicu- 
latis; quales sunt glauca, fasciculata, arborescens, divaricata, scorpioides, 
et albicaulis. Cassint in nouv. bulletin. an 1817. 66; (textui gallico passim 
desumptum ). : 
LEPIDAPLOZ foliolis intimis calycinis inappendiculatis. 
Y. sericea, foliis lineari-lanceolatis subtis sericeo-incanis utrinque tomentosis 
subintegris, floribus alternis secundis sessilibus. Richard in actes de la 
soc. dhist. nat. de Paris. 112. 
Vernonia sericea. Persoon syn. 2. 404. 
(@) flore purpurascente. 
(@) Caulis suffruticosus, simplex, erectus, teres, villoso-canescens, 4-5- 
pedalis v. ultrd, totus superné foliosus atque flexuoso-recurvus. Fol. mem- 
branacea, subbifaridm alterna, patentia, angusta, elongato-lanceolata, acu- 
minata, appresse pubescentia, subtus pilis longioribus sericets canescentia, 
subintegra, margine subrepando-reflexa, 3-4-uncialia v. longiora latitudine 
semunciali v. majore, bast angusté subovata: pet. latiusculo brevissimo. 
Flores roseo-purpurascentes, foliis superioribus axillares, solitarii, secundi, 
sessiles. Cal. oblongus, ordine plurimo imbricatus uncato-squarrosus, villosus, 
viridi-subcoloratus, foliolis (squamis, Cass.) sursiim gradatim longioribus, 
ciliatis, inferioribus (involucri Cass.) lanceolatis supra subulato-reflexis, inte- 
rioribus (periclinii Cass.) purpurascentibus lineari-ligulatis plurimim longio- 
ribus, rectis, obtusis. Pappus interior denticulato-capillaris. Germ. seri- 
ceum. Recept. scrobiculato-punctatum. 
eo ees ate n naan 
The great family of Composite 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 characters of these sub- 
divisions have not yet been shaped for systematic use, still 
as the combinations appear true to natural affinity, we have 
B 2 
