354 COMPOSITE. BiDENs. 



linear, glabrous or slightly hairy, 2-4-awnecl. — Willd. spec. 3. p. 1719; 

 DC. prodr. 5. p. 598. Coreopsis leucaiitha, Linn. spec. (ed. 2) 2. p. 1282. 

 C. coronata, Linn. I. c, excl. hab. 



Tampa Bay, Florida, Dr. Leavenworth ! Key West, Mr. Blodgett! — 

 (T) A native also of Mexico, tlie West Indies, &c. 



7. B. Californica (DC) : stem 4-angled, somewhat pubescent at the sum- 

 mit ; leaves slightly hairy, petioled ; the lower pinnately 5-, the upper 3-di- 

 vided or parted ; the divisions ovate, acute or acuminate, incisely serrate ; heads 

 discoid, or with a few small rays, pedicellate, somewhat paniculate ; scales 

 of the involucre nearly equal, lanceolate ; the exterior ciliate, spreading, all 

 at length reflexed ; achenia linear, slender, 4-angled, minutely and sparsely 

 hairy towards the summit, 3-4-awned. — DC. ! 2^i'odr. 5. jj. 599 ; Nutt. in 

 trans. Amer. phil. soc. I. c. 



California, Douglas ! Nuttall. — (T) Plant ascending, scarcely a foot high. 

 Heads small. Achenia about 4 lines long, sometimes minutely tuberculate- 

 seabrous. Rays white, or yellowish according to Nuttall ; who states that 

 the plant is also a native of Chili. 



8. B. hipinnata (Linn.) : glabrous ; stem quadrangular, striate ; leaves 

 petioled, 1-3-pinnately parted ; the segments lanceolate or oblong-ovate, mu- 

 cronulate, usually narrowed at the base ; heads (small) on naked slender 

 pedicels, with 3-4 inconspicuous rays scarcely longer than the disk ; exterior 

 scales of the involucre linear, spreading, about the length of the narrowly 

 lanceolate interior ones ; achenia linear, elongated and slender, 4-angled and 

 grooved, nearly glabrous, 3-4-awned. — Linn. ! spec. 2. p. 832; Miclix. ! fl. 

 2. p. 135 ; Willd. ! I. c. ; Ell. sk. 2. p. 432 ; Darlingt. ! fl. Cest. p. 487 ; 

 DC! prodr. 5. p. 603. 



Dry soil, and in waste places, Connecticut ! New York ! and Pennsylva- 

 nia ! to Arkansas! and Florida! (Key West, Mr. Blodgett!) July-Oct. 

 — CD Stem 1-4 feet high, slender, branched. Rays yellow, obovate : disk- 

 flowers yellow, about 20. Achenia three-fourths of an inch in length. — 

 Spanish Needles. 



B. pilosa (Linn.) is not a native of North America, nor is it said to be by Lin- 

 naeus, except originally in the Hortus Cliffortianus ; wliere the vars. /?. &c y. are said 

 to come from Virginia, &c. But all the synonyms of /i. there enumerated (except 

 Dill. Elth. t. 43, /'. 5-10, which belong to'a broad-fruited species) are in the Species 

 P/a/itenw/i justly referred to B. bipinnata ; and those of var. y., which we have not 

 the means of tracing further, are equally rejected from the species. B. pilosa is 

 again given as a North American plant by Willdenow, and afterwards by Pui'sh, 

 who terms it a common weed in old fields and cultivated grounds, from Pennsylvania 

 to Carolina ; but the plant in Pursh's view (and also Elliott's 1) is doubtless B. 

 frondosa. 



Div. 5. VERBESiNEiE, Less., DC. — Rays pistillate and fertile, ligu- 

 late, rarely none. Achenia compressed or obcompressed, the exterior integu- 

 ment thin. Pappus awned from the angles of the achenium, sometimes with 

 intermediate chaffy scales or teeth, frequently wanting. 



105. LEPTOSYNE. DC. prodr. 5. p. 531. 



Head many-flowered ; the ray-flowers 10-15, broadly ligulate ; those of 

 the disk tubular, perfect. Involucre double, each series of 6-8 scales, as 

 long as the disk ; the exterior linear, foliaceous, loose ; the interior elliptical, 



