66 Contributions from the Gray Herbarium 
Brandegee, Zoe v. 259 (1908).— MEXICO: (Oaxaca:) Los 
Naranjos, Aug. 1908, Purpus 2520a (B. M., G.); Pussua: Cox- 
catlan, 1830-2135 m., Sept. 1909, Purpus 4127 (BU M.:Gs Di. Bae 
— Brandegee’s type Pecuna 2520) came from San ee Tultitla- 
napa, Puebla. — T. 2. Fia. 3, T. 3. Fia. 21. 
20. V. mpriopHora Greenm. Evidently shrubby, the stem 
branched, grayish and glabrate below, purplish-brown, striate, 
and densely canescent-tomentose with curly hairs above. Leaves 
opposite (uppermost sometimes alternate), ovate, acute to acumi- 
nate, rounded to cordate above the cuneate base, rather sharply 
dentate-serrate with deltoid mucronate teeth, above tuberculate- 
hispidulous with subspreading finally deciduous hairs, beneath 
slightly paler, hispidulous-pilosulous and gland-dotted, 3-nerved 
and rather venose, 7-13.5 em. long, 2.3-6 em. wide, those of the 
inflorescence smaller; petioles flattened above, densely pilose- 
tomentose on margin, 0.7-2.8 em. long. Heads numerous in 
trichotomous panicles 5 cm. wide; disk 1—-1.4 em. high, 0.9-1.9 em. 
wide. Involucre 4-seriate, graduated, 8-10 mm. high, its phyl- 
laries oblong, shortly acute, callous-mucronate, with pale-margined 
indurated vittate body and shorter appressed herbaceous tip, 
densely pilose-ciliate, on back pilose or often glabrous. Rays about 
6, 1.6-2 cm. long, 6.5-9 mm. wide; disk-corollas sparsely pubescent 
at base of throat and on nerves, 6 mm. long (tube 2 mm.). Pales 
subglabrous or pubescent toward the yellowish denticulate acute 
apex, 8-10 mm. long. Achenes (immature) densely silky-pilose, 
4mm. long. Awns 5 mm. long; squamellae about 6, free, lanceo- 
late, fimbriate, about 1.5 mm. Ce — Greenm.! Proc. Am. Acad. 
xxxix. 104 (1903). — MEXICO: } hills of Telixtlahuaca, 
1980 m., 18 Oct. 1895, L. C. Smath93 am (corypE: G.); without 
definite aia 21 Oct. 1899, Holway 3689 (corypE: G.), 25 Oct. 
1899, Holway 3744 (U.8.), alt. 1750 m., July—Aug. 1900, Conzatte 
& Gonzdlez 987 (cotypE: G.). 
21. V. quINqUERADIATA (Cav.) Gray. Branching shrub, 3-7 m. 
high, the branches puberulous, at length glabrate, bearing many- 
- headed panicles 7-19 cm. wide. Leaves nearly all opposite, ovate 
or triangular-ovate, acuminate, truncate or subcordate at the usu- 
ally oblique base, cuneately narrowed into the petiole, appressed- 
serrulate to sharply crenate-serrate, the upper entire, scabrous 
with minute tuberculate-strigillose glandular-based hairs above, 
