KANUNCULACE.K (CROWFOOT FAMILY.) 3 



1. CLEMATIS, L. VIRGIN'S BOWER. 



Sepals 4, petal-like, valvate or with incurved margins in the bud, decidu- 

 ous. Petals none. Stamens indefinite. Ovaries numerous, capitate, 1-ovuled, 

 forming achenia in fruit, with the persistent styles in the form of long, mostly 

 plumose tails. Seed suspended. Perennial herbs or woody vines, with op 

 posite entire or divided leaves, and single or cymose perfect or polygamous 

 flowers. 



1. Flowers solitary; outer stamens petal-like, sterile; buds scaly. ATRAGENE. 



1. C. verticillaris, DC. Stem woody, climbing; leaves ternate, the 

 stalked leaflets cordate-ovate ; sepals ovate-lanceolate, spreading, bright 

 purple, 1'- !' long; sterile stamens spatulate; tails of the achenia plumose. 

 (Atrageue Americana, Sims.) Mountains of N. Carolina. April -May. 



2. Sterile stamens none; buds not scaly. CLEMATIS. 



* Flowers solitary, perfect, nodding ; sepals thick, valvate; stems herbaceous. 



-t Stems erect, most/// simple. 



2. C. OChroleuca, Ait. Villous or silky-pubescent, rarely glabrous ; 

 stems rigid, 1 high ; leaves ovate or roundish, entire, reticulate, glabrate 

 above; flower yellowish, T long ; tails of the villous achenia plumose. (C. 

 ovata, Pursh, the smooth form.) Rocky woods in the upper districts. 

 May - June. 



3. C. Baldwinii, Torr. & Gray. Stems slender, 1 - H high, smoothish ; 

 leaves lanceolate or oblong, entire or three-lobed; peduncles 8' -10' long; 

 flower purple ; tails of the achenia 2' -3' long, plumose. S. Florida. 



H -t Stems climbing ; leaves pinnately divided. 



4. C. crispa, L. (BLUE JESSAMINE.) Glabrescent; leaflets 3-9, thin, 

 ovate or oblong, lobed or entire, acute, or (in var. Walteri, Torr. $ Gray) lance- 

 olate or linear ; calyx l'-2' long, pale purple ; sepals recurved or revolute and 

 wavy-margined above the middle ; tails of the achenia stout, pubescent. 

 Marshes and wet banks, middle and lower districts. May - June. 



5. C. Vioma, L. (LEATHER-FLOWER.) Smoothish; leaflets 5 - 7, thin, 

 oval or oblong-ovate, lobed or entire; calyx 1' long, ovate, reddish brown; 

 sepals tapering into a short recurved point ; tails of the achenia plumose. 

 Woods and along rivers, rare in the lower districts. May - July. 



6. C. reticulata, Walt. Smooth; leaflets 7-9, coriaceous, oval, mostly 

 entire, strongly reticulated ; calyx ovate, purple ; sepals spreading at the 

 point ; tails of the achenia long and slender, plumose. Dry sandy soil, 

 chiefly iu lower districts. May - July. 



* * Flowers cymose, poli/gamo-dicecious ; sepals thin, spr ending ; stems woody, 



climbing ; leaves ternately divided ; tails of the achenia plumose. 



7. C. Virginiana, L. (VIRGIN'S BOWER.) Glabrate ; leaves ternate, the 

 oblong or cordate-ovate leaflets 2' - 3' long, lobed or toothed ; cymes axillary, 

 trichotomous, many-flowered ; sepals oblong, long, white or yellowish. 

 River banks, chiefly in the upper districts. June- July. 



