Clematis. RANUNCULACE^. 5 



carpelled, not over au inch in diameter at fnll maturity including the curling tails : pubes- 

 cence of the young akenes woolly or felt-like, the hairs crinkly, not straight nor silky as in 

 the last ; the mature akenes with broadly ovate nearly orbicular body and filiform sparsely 

 pubescent tails. — Klikitat River, Washington, collected and first recognized as distinct by 

 [V. N. Suksdorf, 15 July, 1881, in flower, and 11 September of same year in fruit, no. 1. 

 -1— -1— Sparsely flowered, small leaved, and with very long-tailed carpels. 



C. Drummondii, Torr. & Gray. Cinereous-pubescent : leaves mostly pinnately 5-7-folio- 

 late and the leaflets (half inch to inch long) all or most of them divergently 3-cleft or some- 

 limes parted; principal lobes oblong-ovate to lanceolate, acute or acuminate, entire or 

 incisely 1-3-toothed; uppermost leaves simple and 3-cleft : peduncles sometimes simple and 

 with a pair of leafy bracts next the base, commonly trichotomous and with higher bracts on 

 the lateral pedicels : sepals sericeous externally, half inch long : narrow and copious sterile 

 filaments of the fertile flowers as long, inane-autheriferous ; tails of the carpels becoming 

 3 or 4 inches long and very slender. — Fl. i. 9. C. nervata, Benth. PL Hartw. .5. C- dloica, 

 var. sericea, sub-var. Drummondii, &c., Kuntze, 1. c. 103. — Dry ground, Texas to Arizona, 

 first coll. by Berlandier and Drummond. (Me.x.) 



* * Woody or half -woody climbers (of California), producing flowering shoots of the 

 season from scaly buds, polygamo-dioecious, the filiform filaments of the fertile flowers 

 mostly bearing well-formed and sometimes polliniferous anthers : peduncles solitary and 

 bibracteolate below or in threes : leaves 3-7-foIiolate : leaflets roundish, rarely cuueate, 

 not acuminate, mostly obtusely 3-lobed or incised or few-toothed. 

 C. pauciflora, Ndtt. Minutely pubescent or nearly glabrous : leaves pinnately or some- 

 what biternately 5-9-foliolate, mostly quinate, but some trifoliolate : leaflets half inch long, 

 thickish, somewhat lucid : sepals tomentulose outside, half inch long : ovary and akene 

 glabrous. — Nutt. in Torr. & Gray, Fl. i. 9 (by error parvljlora) ; Brew. & Wats. Bot. Calif. 

 i. 3. — S. California, near San Diego and southward; first coll. hy Nuttall. A form of it 

 (male only) near San Bernardino, W. G. Wrujht. 



C. lasiantha, Nutt. 1. c. Tomentulosepubescent: leaves simply 3-foliolate ; leaflets an inch 

 or two long, more veiny : sepals two thirds or three fourths inch long, tomentulose botli 

 sides, or glabrate above : ovary and akene more or less pubescent : peduncles 3 or 4 inches 

 long. — Torr. Bot. Mex. Bound. 29, t. 1 ; Brew. & Wats. 1. c. — Common throughout the 

 western part of California. 



§ 2. ViORNA. The Leathery-flowered species. Flowers large, hermaphrodite, 



solitary and mostly nodding on rather long peduncles : sepals thick or thickish, 



from blue to red or dull purplish, erect and connivent at base or throughout : 



neither petals nor staminodes : anthers long and linear, pointed : filaments hirsute 



or pubescent. — Viorna, and part of Viticella, Spach. 



. * Calyx ovate in anthesis, connivent throughout or at length recurved at apex only, very 

 thick, of cellular and when dried leathery texture, destitute or nearly so of inflexed and 

 at length explanate tbin margins even at the apex : styles wholly persistent, forming 

 densely plumose carpel-tails : herbaceous or slightly woody climbers, glabrous or almost 

 so: shoots from naked buds: leaves pinnately 3-9-foliolate with broad and entire or 

 2-3-lobed leaflets, or occasionally all the secondary petioles 3-foliolate, the flowering 

 shoots or peduncles bearing oue to several pairs of simple and entire leaves or bracts. 



C. Viorna, L. (Leather-flower.) Leaves not glaucous nor coriaceous; leaflets from sub- 

 cordate-ovate to ovate-lanceolate, often acute, inconspicuously reticulated, those of the 

 peduncle or inflorescence ovate or cordate : calyx barely inch long, glabrous or minutely 

 fiirt'uraceouscanescent outside, dull reddish or purplish. — Spec. i. .543 (Dill. Eltji. 144, 

 t. 118) ; Michx. Fl. i. 318 ; Jacq. f. Eel. i. t. 32 ; Torr. & Gray, Fl. i. 9 (excl. syn. Bot. Mag ; 

 Gray, Bot. Mag under t. 6594; Lavallee, Clem. 57, t. 17. Vlnrna urnigera, Spach, Hist. 

 Veg. vii. 270. — Moist ground, S. Pennsylvania and Missouri to Alabama. 



C* Addisonii, Britton. More l)ushy and less spreading : leaves deep green above, pale 

 and very glaucous beneath ; the lower simple, sessile or nearly so, broadly oval, entire or with 

 one or two rounded lateral lol)CS ; the upper leaves pinnately divided ; leaflets elliptic-oval. 



