ROBINSON AND GREENMAN. — GENUS VERBESINA. 545 
§ 8. VersesrnariaA, DC. Heads mostly numerous, medium-sized or 
sea, 3 involucral bracts lanceolate to linear-oblong: rays relatively long 
(1 to 2.5 em. ) and showy, yellow: leaves linear- to lance-oblong, or ovate, 
alternate (except in V. hypoglauca, V. sororia, V. occidentalis, and 
V. elegans), never lobed. — Prodr. v. 612, in part. 
* Leaves narrow, linear to oblong, entire or remotely serrulate. 
+ Outer bracts of the involucre of irregular length, some of them elongated and 
much surpassing the disk: stem wingless: leaves 1 to 2 dm. long. 
31. V. Lonerroxia, Gray, Proc. Am. Acad. xix. 12 (1883), & Syn. 
Fl. i. pt. 2, 287. Actinomeris longifolia, Gray, Pl. Wright. ii. 89; 
Hemsl. Biol. Cent.-Am. Bot. ii. 185.— Mountains east of Sats Cruz, 
Sonora, Wright, no. 1234; Arizona, Rothrock, no. 608, Pringle, no. 
327, Lemmon ; Chihuahua, Pringle, no. 1286. 
+ + Outer bracts of the involucre not surpassing the inner nor the disk. 
++ Leaves soft-pubescent or tomentose beneath. 
82. V. hypomalaca. Erect perennial herb, 4 to 6 dm. high: stems 
single or several, virgate, simple, terete, pubescent to hirsute, very leafy: 
leaves narrowly oblong to linear, obtuse or acute, obsoletely crenulate or 
serrulate (the margins tending to be revolute), 3 to 8 cm. long, 4 to 10 
mm. broad, sessile by a cordate-auriculate base, pubescent and very sca- 
brous above, canescent-tomentose beneath: heads 6 to 30, ovate or at 
length subconical, 1 em. in diameter excluding the rays, borne on erect 
pubescent pedicels in a flat-topped corymb: involucral scales about 2- 
seriate, linear-oblong, obtusish, pubescent: ligules 15, about 1 cm. long. 
— V. stricta, Gray, Proc. Am. Acad. xix. 13, in part, & xxii. 427. Ae- 
tinomeris stricta, Hemsl. ]. c. 186, in part. — Orizaba, Botteri, no. 95, 
Seaton, no. 367; Rio Blanco, Jalisco, Palmer, no. 163; Cerro Ventoso 
above Pachua, Hidalgo, Pringle, no. 7611; Coahuila, Palmer, nos. 627, 
628; Mexico without locality, Coulter, no. 362. 
Var. hypochlora. Leaves yellowish green and soft-pubescent 
rather than tomentose beneath. — Hills of Patzcuaro, Michoacan, Prin- 
gle, no. 4136; near Monte Escobedo, Zacatecas, Dr. J. N. Rose, no. 
2630. Types in herb. Gray and herb. U. S. Nat. Museum. 
~+ ++ Leaves glabrous or covered with a short sparse and scabrous pubescence 
beneath. 
= Stem wingless: rays deep yellow. 
ns 33. V. stricta, Gray, 1. c. xix. 13, in part. <Actinomeris stricta, 
Hemsl. 1. ¢. as to first named type. — San Luis Potosi, Parry & Palmer, 
tt 
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