116 Contributions from the Gray Herbarium 
tire, above green, subdensely tuberculate-strigose, beneath dis- 
tinctly paler, subsparsely strigose-hispid, the hairs longer along the 
veins, and sparsely gland-dotted, triplinerved, 2.7-4.7 cm. long, 
9-13 mm. wide; petioles scarcely margined, spreading-hispid- 
pilose, 3-5 mm. long; upper leaves reduced to bracts. Heads 6-9, 
2 cm. wide, on axillary and terminal naked or bracteate peduncles 
2.3-8.5 em. long, sometimes abnormally arising from the lower 
axils; disk 6.5 mm. high, 7 mm. thick, strongly convex at maturity. 
Involucre 2-seriate, 3.5-5 mm. high, the phyllaries lanceolate or 
ovate-lanceolate and abruptly narrowed above the middle to a 
linear apex, acute or rarely obtuse, mucronulate, herbaceous, 
blackish-green, hispid-pilose especially above. Rays about 6, 
oblong, 7 mm. long; disk-corollas 1.6-2.5 mm. long (tube gland- 
dotted, not ampliate at base, 0.5 mm. long). Pales subhyaline- 
scarious, blackish-green at apex, above sparsely pilose and ciliate, 
mucronulate, 3.3 mm. long. Achenes glabrous, striate, mottled, 
2 mm. long, 1 mm. wide. Pappus none. — Gymnolomia obscura 
Blake! Proc. Am. Acad. li. 515 (1916). —MEXICO: Vmra Cruz: 
Maltrata, Jan. 1883, Kerber 211 (type couu.: B. M., K., fragm. 
G.). Local name “ acaquale,’”’ according to Kerber. 
Section 5. Paradosa, sect. nov. Herbae vel frutices vel suffru- 
tices, foliis saepe ovatis vel lanceolatis, involucri 2—5-seriati phyl- 
lariis saepe lanceolatis vel lanceolato-oblongis infra plus minusve 
induratis et costatis supra herbaceis; plantae austro-americanae. 
—Species typica V. awrea (HBK.) Hieron. — A very variable 
section, scarcely separable by definition from Sect. Chloracra, but on 
the whole a more generalized group, especially in involucral char- 
acters; the species, all of which are South American (from Ecuador 
southward), sometimes approximating in involucral characters 
members of the sections Leighia and Chloracra. Sp. 65-127. For 
key to series, see p. 34. 
Series A. Tenuifoliae, ser. nov. Herbae perennes simplices, 
foliis paucis anguste linearibus vel lineari-filiformibus, capitulis 
solitariis, involucri 2-seriati subaequalis phyllariis lanceolatis vel 
oblongis herbaceis basi paullum induratis. — Species typica V. 
tenuifolia Gardn. — Slender simple perennials of Brazil, with few 
very narrow leaves and solitary heads, the involucre 2-seriate, the 
phyllaries only very slightly indurated at base. Sp. 65-68 
