Part 2, 1915] CARDUACEAE : HELENIEAE 113 



in flat-topped corymbs; involucre 5 mm. high, 8 mm. broad; outer bracts carinate, united one 

 third their length or a little more, the free portions broadly ovate; inner bracts broadly oval, 

 erose; ligules orange, broadly cuncate, 7-8 mm. long, 5-7 mm. wide; disk-corollas 3 mm. 

 long, densely glandular-puberulent; achenes 2.5-3 mm. long, densely hirsute; squamellae 2 

 mm. long, ovate, acute. 



Type locality: Mancos, Colorado. 

 Distribution: Southern Colorado. 

 Illustration: Bull. Torrey Club 31: pi. 21, f. 1. 



7. Hymenoxys Metcalfei Cockerell, Bull. Torrey Club 31: 492. 



1904. 



A perennial, with a thick root and short caudex but scarcely cespitose; stems 1-3, leafy, 

 1.5-3.5 dm. high, villous-puberulent, scarcely glandular; leaves 5-10 cm. long, divided into 

 3-5 linear divisions, or some of the basal ones and the uppermost entire; segments 1-2 mm. 

 wide; heads many, in a flat-topped corymb; involucre 5 mm. high, 9-11 mm. broad; outer 

 bracts 8, carinate, light-green, united nearly half-way up, slightly longer than the inner; 

 inner bracts broadly oval, mucronate, erose on the margins; ligules orange, 8-10 mm. long, 

 5-6 mm. wide; disk-corollas 4 mm. long, densely glandular-pubescent; achenes 3 mm. long, 

 densely hirsute; squamellae 2 mm. long, lanceolate, acute. 



Type locality: Burro Mountains, New Mexico. 



Distribution: New Mexico. 



Illustration: Bull. Torrey Club 31: pi. 21. f. 3. 



8. Hymenoxys olivacea Cockerell, Bull. Torrey Club 31: 497. 



1904. 



A perennial, with a woody caudex; stems 1-3 dm. high, striate; leaves dark-green, glabrous 

 and conspicuously glandular-punctate, the basal ones entire, 6-10 cm. long, 1-2.5 mm. broad; 

 some of the stem-leaves divided into 3 linear segments or all entire; heads several, peduncled; 

 involucre 5 mm. high, 8-10 mm. broad; outer bracts united to beyond the middle, carinate, 

 pale; inner bracts oval, fimbriate; ligules pale-orange, 5-7 mm. long, 3-5 mm. wide; disk- 

 corollas 3 mm. long, densely glandular; achenes 3 mm. long, densely hirsute; squamellae 2 mm. 

 long, broadly ovate, shortly awn-tipped. 



Type locality: Hanover Hills, New Mexico. 



Distribution: New Mexico. 



Illustration: Bull. Torrey Club 31: pi. 22, f. 2. 



9. Hymenoxys Rusbyi (A. Gray) Cockerell, Bull. Torrey Club 



31: 496. 1904. 



Actinella Rusbyi A. Gray, Proc. Am. Acad. 19: 33. 1S83. 

 Picradenia Rusbyi Greene, Pittonia 3: 271. 1898. 



A short-lived perennial, with a thick root, scarcely cespitose ; stem 3-4 dm. high, glabrous 

 or slightly puberulent, terete, fasciculately branched above, often purple-tinged; leaves mostly 

 entire, rarely with 2 broad lobes, linear, the basal ones 8-20 cm. long, 2-4 mm. broad, glabrous; 

 stem-leaves much shorter, all entire; heads numerous; peduncles 2-5 cm. long; involucre 5-6 

 mm. high, 6-7 mm. broad; outer bracts about 8, thick and rounded on the back, glabrate, 

 united about one third their length, the free portions lanceolate, acute; inner bracts somewhat 

 longer, ovate, acute, erose on the margins; ligules light-yellow, 6-7 mm. long, 2.5-3 mm. 

 wide; disk-corollas 3 mm. long, densely glandular-puberulent; tube about 1 mm. long; achenes 

 3 mm. long, densely hirsute; squamellae cuneate to broadly ovate, almost triangular, truncate 

 or blunt, scarcely 1 mm. long. 



Type locality: Mogoflon Mountains, New Mexico. 

 Distribution: Southwestern New Mexico. 



