1328 CARDUACEAE 
4 mm. high; bracts subulate or linear- ordei ribbed, pube en corolla 
about 2.5 mm. long: achene barely 1.5 mm. long. [Eupa atorium coelestinum L. 
C. don on Ohipn.]-- Ger Frowa Stream bans mars ER e thick- 
ets, various provinces, Fla. to Tex., Kans , Mic nd N. J.—(Cuba.)—Sum.- 
fall or all year S. — Sometimes cultivated Nd ased 3 in Hace of species of. Á geratum. 
jm Willd. Herbaeeous vines. Leaves opposite, herbaceous: 
blades of a hastate or deltoid type, mostly toothed. Heads borne in corymbs. 
Involuere cylindric. Corolla pink or white, with a campanulate throat: lobes 
lanceolate to triangular-ovate. Androecium exserted: anther-appendages ovate. 
Achene angled. Pappus of many capillary bristles. [Willugbaeya Neck. ]— 
About 150 species, American. — CLIMBING HEMPWEEDS. 
Bracts of the involucre acute or aciminate 
Bracts of the involucre Eu ca n long. » M. batatifolia. 
Braets of the involucre r4m ng. M. scandens. 
Bracts of the involucre obtuse 3 M. cordifolia. 
1. M. batatifolia DC. ` Plant gene leaf-blades deltoid to hastate-ovate, 
1-3 cm. long, ipid or repand: heads in small Suri ied elusters: braets of 
d involuere 3—4 mm. lo oi about 3- A 
. long. [W. heterophylla Small.]—Ham- . la 
on low pinelands, and Everglades, à ae 
Fla. and the Keys s.—(W. us —A]l yea 
. M. scandens (L.) Willd. Plant finely 
pubescent or nearly glabrous: leaf-blades 
dulate or an i2 lobed: braets of the 
involucre 5-5.5 ong, acuminate Or 
n e D Hs about 4 mm. long: 
achen m. long.—(CLIMBING HEMP- 
VINE d dece mA and swamps, vari- 
ous BUE Fla. o Tex., Ont., and Me 
—Sum 
. M. cordifolia (L.) Willd. Plant densely pubescent: leaf-blades ovate to 
hastate, 6—15 em. long, coarsely toothed, or bee cordate at the base: corymbs 
roun ather flat-topped: heads numerous: involuere narrow, but rather 
stout; braets elliptie to linear-elliptic, 7—8 an i ng, obtuse: corolla hap 6 
mm. long—Hammocks, S pen. Fla. and the Keys.—(W. I., Mex., C. A., 
All year.—The most vigorous of the three climbing-hempweeds. is ae eloped 
vines produce prodigious inflorescences. e flowers are very fragra 
12. COLEOSANTHUS Cass. Perennial, branching herbs or woody 
plants. Leaves opposite or alternate: blades ei broad and toothed. 
Heads borne in corymbose cymes. Involucre 
[Brickellia ca A 70 species, mostly 
American. 
1. C. cordifolius (Ell) rdiet Stem 6-12 
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“lanceolate above, 5-10 cm. long, crenate- 
errate: heads many-flowered: involucre 
