68 RANUNCULACEAE. 
3. Clematis crispa L. Marsh 
Clematis. (Fig. 1584.) 
Clematis crispa I,. Sp. Pl. 543. 1753- 
Clematis cylindrica Sims, Bot. Mag. //. 
1160. 1809. 
A climbing vine. Leaves pinnate; 
leaflets mostly trifoliolate, the ultimate 
divisions entire or occasionally lobed, 
glabrous and thin; flowers solitary, 
nodding, bluish-purple, 9’/-18’” long; 
calyx cylindric below, but the sepals 
thin and widely spreading above, their 
margins undulate; filaments hairy; 
persistent styles silky, not plumose. 
In marshes, southeastern Virginia to 
Floridaand Texas. May-June. The most 
beautiful of our native species. 
[Vor IT. 
2. Clematis ligusticifolia Nutt. West- 
ern Virgin’s Bower. (Fig. 1583.) 
Clematis ligusticifolia Nutt.; T. & G. Fl. N. A. 1: 
9g. 1838. 
A trailing and climbing vine, nearly glabrous. 
Leaves pinnately 5-foliolate, the lower pair of 
leaflets generally remote from the upper; leaflets 
oblong or ovate-lanceolate, acute and sometimes 
acuminate at the apex, rounded or cuneate at the 
base, toothed, lobed or divided; flowers white, in 
leafy panicles, 6’’-9’’ broad when expanded, the 
stamens about equalling the sepals; filaments 
glabrous; persistent styles plumose throughout, 
nearly white, 1/2’ long. 
Western Nebraska, Missouri, and throughout the 
Rocky Mountains, west to the Pacific Coast. June- 
<9 
Ky y 
(}) 4. Clematis Simsii Sweet. Sims’ 
Clematis. (Fig. 1585.) 
Clematis cordaia Sims, Bot. Mag. pl. 2876. 
1816. Not Pursh, 1814. 
Clematis Simsii Sweet, Hort. Brit. 1:1. 1827. 
Clematis Pitcheri T. & G. Fl. N. A. 1: 10. 1838. 
. A high climbing vine, the branches more 
or less pubescent. Leaves pinnate; leaflets 
entire, lobed or trifoliolate, thick, reticulated, 
generally mucronate; flowers solitary; calyx 
campanulate, less than 1’ long, purplish, pu- 
bescent; sepals with recurved margined tips; 
filaments hairy; persistent styles more or 
less pubescent, about 1/ long. 
Southern Indiana to Missouri and Texas. 
May-Aug. 
