COMPOSIT 2%. 291 
EUPATORIUM. 
ILI. Inuloidew. Anthers caudate: style-branches of hermaphrodite 
flowers slender, destitute of any terminal appendage, the stigmatic lines 
extending to or vanishing near the naked obtuse or truncate summit. 
IV. Helianthoidewx. Anthers not caudate: style-branches with truncate 
or variously appendiculate pubescent or hispid tips: involucre not sca- 
rious: receptacle with chaffy bracts subtending at least the outer disk 
flowers: pappus none or various: never of fine capillary bristles. 
V. Helenioidew. Anthers not caudate: style-branches truncate or 
variously appendiculate : involucre not scarious: receptacle without any 
bracts subtending the flowers: pappus from setiform to paleaceous or 
none. 
VI Anthemidex, Anthers not caudate: style-branches mostly truncate: 
involucre of dry and svarious bracts, receptacle without or sometimes 
with bracts subtehding the flowers: pappus coroniform -r of short 
paleze or none. 
VII. Senecionidex. Anthers not caudate; stvle-branches of bermaph- 
rodite flowers mostly olbtuse or truncate, with or without short append - 
ages: involucre of mostly equal not scarious bracts: receptacle without 
bracts subtending the flowers: pappus of soft-capillary bristles 
‘VIII. Carduinee Anthers conspicuously caudate, and with elongated, 
mostly connate. cartilaginous appendages at tip: style branches short 
or united, without appendage, stigmatic quite to the obtuse summit, 
smooth and naked, but sometimes a pubescent or hispidulous ring or 
~ node below: involucre much imbricated: receptacle densely zetose or 
fimbrillate or fayose: pappus usually of many plumose bristles: heads 
never truly radiate 
-Suporper II. LIGULIFLOR A. 
Herbs with milky juice. Corollas all ligulate and flowers all 
hermaphrodite. | 
IX. Cichoriacex. Anthers not caudate: style-branches filiform, naked, 
stigmatic only toward the base: receptacle naked or paleaceous. 
Tribe I. BKUPATORIEA. DC. Prodr. v, 104. Heads homoga- 
mous, discoid: Flowers hermaphrodite, with tubular and reqular 
corollas; receptacle in a few genera paleaceous, in most naked. An- 
thers without tails at base. Style-branches elongated, more or less 
clavate or thickened upward, minutely papillose or puberulous, or 
glabrous; the stigmatic lines only near the base and inconspicuous. 
Flowers never yellow. 
i. Eupatoriam. Involucre of more than 4 bracts: acvhenes 5-angled, 
destitute of intervening ribs: pappus of wholly capillary scabrous 
bristles 
2. Coleosanthus. Bracts of the invoiucre not herbaceous striate-nerved = 
achenes 1()-costate or striate: pappus a single series of capillary bristles. 
1 KUPATORIUM Tourn. Inst. t. 259. 
Perennial herbs or somewhat shrubby plants with opposite 
(rarely alternate or verticillate) mostly entire leaves that are 
often connate at base, and mostly corvmbose heads of purple 
blue or white flowers. Heads 8—many-flowered.. Involucre cyl- 
