SYNANTHEREJ3. 353 



guished by single heads, the involucre, and mucronate leaves, and from V. argyrophylla, 

 Less., by the leaves velvety on both sides. A single branch, divided at the origin of the 

 lowest head; leaves 12"'-8"' long, 8"'-6'" broad: petiole 4"'-3 w long ; involucre 2'" long, 

 campanulate : superior scales longer, acuminate ; flowers many, purple, 8'" long ; pappus 

 exserted, the exterior series broader, minute. — Hab. Bahamas !, Swains. 



** Cymes dichotomous, leafless. (Tephrodes, DC.) 



4. V. cinerea, Less. Annual, herbaceous ; leaves ovate, ovate-roundish, or lanceolate, 

 repand or dentate, petioled, pubescent chiefly beneath ; cymes dichotomous : heads pedicel- 

 late ; involucral scales lanceolate-linear, acuminate, pubescent ; achenium hairy ■. pappus 

 soft, white.— Heads 20-25 -flowered, 2"'-3'" loug, purplish.— Hab. Jamaica!, all coll., a 

 weed ; [East Indies !, trop. Africa !]. 



*** Cymes scorpioid, leafless. 



5. V. scorpioides, Pers. Shrubby ; leaves elliptical, pointed, pubescent beneath, pe- 

 tioled ; cymes scorpioid, recurved, aphyllous, approximate : heads many-flowered, sessile, 

 contiguous ; involucral scales hairy, pointed, interior acuminate, exterior ovate j achenium 

 hairy : pappus white.— Lk. $• Otto, Abbild. 1. t. 55.— V. ccntriflora, Lk.— Heads 4"'-3'" long. 

 — Hab. Trinidad !, Cr. ,• [Venezuela, Guiana !, Brazil]. 



**** Cymes scorpioid, leafy. 



6. V. arborescens, Sw.l Shrubby; leaves rugose, ovate or ovate-oblong (rarely 

 lanceolate), acuminate, rounded at the base, petioled, villous beneath or glabrescent ; cymes 

 scorpioid, leafy: heads sessile; interior involucral scales oblong-lanceolate, pointed or 

 bluntish, exterior ovate or ovate-lanceolate ; achenium sericeous : pappus white. — Plum. Ed. 

 Burtn. t. 130./. 2. — Conyza, L. — Variable in the down, the size of the floral leaves, the 

 length and direction of the cymes, and the more or less distant flower-heads : confounded by 

 Swartz with the following, from which it is distinguished by its wrinkled leaves, and the 

 white or slightly tinged pappus. Stem 4'-8' high ; heads 3'" long, 20-flowercd, pink or 

 blue. 



o. Swartziana. Leaves hoary-tomentose or villous beneath ; branches of the panicle 

 somewhat rigid, reflexed or spreading : heads exceeding or equalling the small oblong floral 

 leaves, superior often aphyllous. — Ns. Amcen. Bonn. 2. t. 5 : a form with short cymes. — V. 

 tomentosa, M. V. divaricata, Less. V. icosantha, DC. V. Berteriana, DC. {Hb. Benth.) : 

 a nanrow-leaved form. 



£. Lessingiana. Leaves hoary-villous beneath ; branches of the panicle virgate, flexuose- 

 recurved : heads exceeded by the ovate-lanceolate floral leaves, or the superior equalling 

 them. — V. arborescens, Less. : corresponding with Plumier's figure, but not with the speci- 

 men of Swartz's herbarium, which belongs to o. 



y. divaricata, Sw. \ex parte). Leaves concolor, puberulous or glabrescent beneath; 

 branches of the panicle virgate, flexuose-recurved : heads exceeded by or equalling the lan- 

 ceolate floral leaves, superior often aphyllous. 



Hab. Jamaica !, all coll., common in pastures, along wood-sides (all forms) ; S. Lucia !, 

 Anders., S. Vincent !, Guild, (y) - Trinidad ! ; [Cuba !, Portorico (fi), French islands !, 

 Sieb. Mart. 190; Nicaragua, sec. Oerst.~}. 



7. V. acuminata, Less. Shrubby j leaves devoid of wrinkles, ovate-lanceolate, acu- 

 minate, bluntish at the base, concolor, roughish, petioled ; paniculate cymes scorpioid, leafy : 

 heads subsessile, distant, exceeded by the floral leaves ; interior involucral scales oblong- 

 lanceolate, bluntish, exterior ovate ; achenium sericeous : pappus straw-coloured. — V. diva- 

 ricata, Sw..- ex parte. — Cymes divaricate-flexuose or virgate : heads 3'" long, 15-20-flowered. 

 — Hab. Jamaica !, Al., Dist., Wullschl. ; S. Anns, Manchester. 



8. V. punctata, Sw. Shrubby; leaves chartaceous, elliptical-oblong or lanceolate, 

 tapering into the petiole, acuminate (or "blunt"), concolor, paberulous with scattered down; 

 cymes shortly scorpioid, fastigiate, leafy : superior heads subsessile, inferior usually pedicel- 

 late ; interior involucral scales oblong-lanceolate, sharply acuminate, exterior ovate ; ache- 

 nium sericeous : pappus straw-coloured. — V. Vabliana, Less. I V. longifolia, Pers., ex 

 syn. ap. DC. — Cyme-branches 4-2-headcd : heads 3'" long, blue. — Hab. Antigua !, . Wutttchl. ; 

 Dominica !, hnr. ; [S. Croix, Guadeloupe ! ; Mexico, Honduras !]. 



