Hymenoxys insignis (A. Gray ex S. Wats.) Cockerell

Hymenoxys insignis (A. Gray) Cockerell, Torrc.ya 4: 170. 1904
Aclinella insipnis A. Gray, Proc. Am. Acad. 19: 31. 1883.
An annual or biennial; stem stout, 6 dm. high, branched; leaves twice or thrice pinnately divided into narrowly linear divisions, scarcely punctate; heads corymbose; peduncles listulose, 2-6 cm. long; involucre depressed-hemispheric, 10 mm. high, 20 mm. broad; receptacle decidedly convex; outer bracts linear-lanceolate, united only at the base; inner bracts similar but somewhat larger; ligules more than 1 cm. long; disk-corollas 3-4 mm. long; tube very short; achenes 3 mm. long, densely hirsute; squamellae broadly ovate, muticous, scarcely longer than the breadth of the achene.
Type locality: Lerios, in the mountains east of Saltillo, Coahuila. Distribution: Known only from the type Locality.

Hymenoxys excurrens (Cockerell) Rydberg, sp. nov
Hymenoxys chrysanthemoides excurrens Cockerell, Bull. Torrey Club 31: 501. 1904.
A leafy annual; stem 3-6 dm. high, branched above, striate, somewhat pubescent; leaves 3-6 cm. long, glabrate and not conspicuously punctate, pinnately dissected into narrowly linear divisions; heads many, corymbose-cymose; peduncles 4-7 cm. long; involucre 6 mm. high, 8-10 mm. broad, slightly pubescent or puberulent; outer bracts lanceolate, thick and convex on the back, with narrow herbaceous margins and tips, acuminate and the tips rather loose; ligules 8-9 mm. long, 3 mm. wide; disk-corollas 3 mm. long, decidedly glandular; achenes
3 mm. long; squamellae nearly 2 mm. long, ovate, acuminate, awn-pointed.
Type locality: Yuma, Arizona.
Distribution: Western Arizona, southern California, and Lower California.

Hymenoxys chrysanthemoides (H. B. K.) DC. Prodr. 5: 661
1836.
Actinea chrysanthemoides H. B. K. Nov. Gen. & Sp. 4: 298. 1820. Dugaldia chrysanthemoides Cass. Diet. Sci. Nat. 55: 271. 1828. Actinella chrysanthemoides A. Gray, Proc. Am. Acad. 19: 32. 1883.
An annual; stem 2-5 dm. high, branched above, striate, puberulent; leaves 2-4 cm. long, bipinnatifid into linear-filiform divisions, sparingly puberulent or glabrate; heads corymbose; peduncles 5-15 cm. long; involucre depressed-hemispheric, 6 mm. high, 12-18 mm. broad; outer bracts 12-16, linear, united only at the base, with spreading tips, pubescent; inner bracts similar, but longer and broader, acute, not erose; receptacle conic; ligules 8-10 mm. long, 3-4 mm. wide, deeply 3-lobed; disk-corollas 3.5-4 mm. long; tube glandular, about equaling the funnelform throat; achenes 3 mm. long, strongly hirsute; squamellae ovate,
2 mm. long, acuminate into an awn-tip.
Type locality: Moran [Hidalgo].
Distribution: Coahuila to Vera Cruz and Oaxaca.

Hymenoxys insignis is a Mexican species of flowering plant in the daisy family. It has been found in Coahuila, Nuevo León, and Chihuahua in northern Mexico.