540. PROCEEDINGS OF THE AMERICAN ACADEMY. 
oblong, obtusish: ligules about 7, bright yellow, 1.7 cm. long: disk- 
achenes obovate, upwardly hispidulous; wings very narrow; awns two, 
short. — Tepic, on foothills between Acaponeta and Pedro Paulo, 2 Au- 
gust, 1897, Dr. J. N. Rose, no. 1948, and by the same collector between 
Pedro Paulo and San Blascito, 4 August, 1897, no. 3343. Types in herb. 
U. S. Nat. Museum and herb. Gray. 
++ ++ Rays nearly white. Florida species. 
13, V. HETEROPHYLLA, Gray, |. c. 12 (1883), & Syn. FI. i. pt. 2, 288; 
Chapm. Fl. S. U.S. ed. 3, 255. Actinomeris heterophylla, Chapm. 
3ot. Gaz. iii. 6.—Low pine barrens, E. Florida, Chapman, Palmer, 
Curtiss, no. 1468°, Garber. 
+ + Leaves rhombic or deltoid with cuneate petiolar base. 
++ Leaves densely canescent-tomentose beneath. 
14. V. Covtteri, Gray. Leaves rhombic-oblong, finely toothed; 
blade not at all hastate or deltoid. — Proc. Am. Acad. xix. 13; Hems!. 
1. «. iv. 57. V. Capitaneja, Hemsl. 1. c. ii. 187, in part, not Nees. — 
S. Mexico, Zimapan, Coulter, nos. 841, 369. 
++ ++ Leaves covered with slightly scabrous subappressed pubescence, pale gree? 
on both surfaces ; blade subhastate or deltoid. 
15. V. Schaffneri. Erect 1-several-stemmed perennial, slightly lig- 
_” neous at the base: leaves about 3 pairs, opposite, the blade triangular, 
C coarsely crenate-toothed, acutish or obtuse, contracted below into cuneate 
broadly winged entire petioles half their length; these decurrent up? 
the stem in herbaceous wings: peduncles long, terminal, terete, wingless, 
1-2-headed ; pedicels relatively short: bracts of the involucre 2—3-seriate 
oblong, obtuse, canescent-pubescent about the margins: ligules about 12, 
oblong, deep yellow, 1.8 cm. long: achenes obovate, 7 mm. long, gla 
brous; body black, lucid; wings of medium breadth, thin, translucent — 
Mexico, San Luis Potosi, in sandy ground near the city, September, 3 
1876, Schaffner, nos. 258, 301, in part, Parry & Palmer, no. 473. 
Var. exalata. Winged petioles subauriculate at the base not at all 
decurrent. — With the type at San Luis Potosi, Schaffner, no. sila 
part, also in “ North Mexico,” Parry (1878), no. 26} in part. 
++ ++ ++ Leaves (yellow-green) papillose-scabrous, rhombic-ovate, shallowly 
serrate-dentate. 
16. V. Caprranesa, Nees, Linnea, xix. 729 (1847); Hemsl. |. © | 
187, in part (only as to pl. Bourgeau). ?V. erocea, Klotzsch 3 Klsth 
1. c. 94 (nomen subnudum). Actinomeris pedunculosa, DC. | rodr. ¥ 
