8 RANUNCULACEiE. Clematis, 



Banks of rivers and on mountains, New-York! to Georgia! P. North 

 Carolina, Schweinilz ! May-June. — Leaves reticulately veined, upper sur- 

 face glabrous when old, subsessile ; the upper ones rather acute. Flower 

 yellowish, (erect in fruit). Sepals silky externally.— /?. leaves larger, broadly 

 ovate or roundish. 



2. C. oi^ato (Pursh): stem simple; leaves broadly ovate, on very short 

 petioles, glabrous, glaucous and rcticiilately veined beneath, the lower ones 

 subcordate ; peduncle terminal, solitary, 1-flowered ; flower inclined. — 

 Pursh.fl. 2. p. 736 ; DC prodr. 1. p. 8. 



Mountains of North Carolina, Le Conte ! South Carolina, Pursh. Geor- 

 gia or Florida, Baldwin! — Whole plant glabrous. Flower nearly as large 

 as in C. ochroleuca, purple 1 Sepals ovate, acuminate, pubescent on the 

 margin, a little exceeding the stamens. 



3. C.Baldwinii: erect, simple or a little branching, slender, slightly pu- 

 bescent ; leaves varying from oblong to linear-lanceolate, entire or 3-cleft 

 or lobed ; the lobes linear, often slightly laciniate ; peduncle terminal, elon- 

 gated, 1-flowcred; flower cylindrical-campanulate ; carpels with very 

 long plumose tails. 



Pine woods, Tampa Bay, &c. Florida, Dr. Baldwin! Dr. Hidse! — 

 Plant 1-li foot high. Leaves often quite simple, 4-6 lines wide, narrowed 

 at the base into a short petiole. Peduncle 8-10 inches long. Sepals soine- 

 what membranaceous, woolly on the margin, purplish externally, yellowish 

 within. Tails of the carpels 2-3 inches long. 



4. C. Douglasii (Hook.): stem simple, 1-flowered; flower nodding; 

 leaves hairy, twice or thrice pinnatifid; segments linear, rather obtuse. 

 Hook. fl. Bor.-Am. 1. p. 1. t. 1. 



Rocky Mountains, near the sources of the Oregon. Douglas. — Stem 1 

 foot high, sparingly hairy, woolly at the joints. Sepals 4-5, deep purple 

 within, paler externally, l-J inch long, coriaceo-membranceous, oblong, erect, 

 spreading at the apex, much longer than the stamens. Hook. ^ 



5. C. Wyethri (Nutt.): woolly; stem erect, simple, 1-flowcred; flower 

 nodding; leaves somewhat bipinnately divided; segments 3-cleft; lobes 

 linear-lanceolate, attenuate, sparingly incised, rather acute. Nutt.! in 

 jour. acad. Phi lad. 1. p. 6. 



Rocky Mountains ! June. — Stem 11 foot high. Lower leaves nearly un- 

 divided. Sepals 4, thick, oblong-lanceolate, nearly straight, deep brown 

 externally.— Very near C. Douglasii. Nutt. 



** Stem more or less shrid)by, climbing by the petioles. 



6. C. Virginiana (Linn.): flowers panicled, often dioecious or polyga- 

 mous ; leaves ternate, glabrous ; leaflets ovate, subcordate, incisely toothed 

 and lobed ; carpels with long plumose tails. — Willd. sp. 2. p. 1290 ; Michx. ! 

 k. 2. p. 318; Pursh! Jl. 2. p. 384; DC. prodr. 1. p. 4. C. Catesbyana, 

 Pursh, Jl. 2. p. 736? C. cordata, Pursh, Jl. 2. p. 384; DC prodr. I. c. excl. 

 syn. bot. mag. 



Canada to Georgia, and west to the Mississippi ! July-August. — Climbing 

 over shrubs and bushes, much branched, stem smoothish. Panicles trichoto- 

 mously divided, with small leaves at the divisions. Sepals 4, white, obo- 

 vate, exceeding the stamens. — A specimen named C. cordata by Pursh, in 

 Barton's herbarium, seems to be only C. Virginiana. 



7. C%olosericea (Pursh): flowers in paniculate corymbs, dioecious; 

 leaves ternate, pubescent on both sides; leaflets oblong-lanceolate, entire, 

 DC prodr. 1. p. 5 ; Pursh, Jl. 2. p. 384. 



