86 NORTH AMERICAN FLORA [Volume 34 



Leaf-segments short lanceolate, entire or the 

 middle one rarely ternate; stem densely 



tomentose. 44. E. tridactylum. 



Leaves 3-lobed with divaricate divisions. 45. E. crucigerum. 



1. Eriophyllum minus (DC.) Rydberg. 



Monolopia minor DC. Prodr. 6: 74. 1837. 



A floccose annual; stem simple, about 1 dm. high, floccose; leaves alternate, 1-2 cm. long, 

 the basal ones entire, the rest pinnatifid into linear or lanceolate, ascending divisions, loosely 

 floccose; heads solitary at the end of the stem; peduncles 1-4 cm. long, denselj- floccose; in- 

 volucre hemispheric, 10-12 mm. broad; bracts 10-12 in two series, united at the base, ovate 

 or lanceolate acute; ligules oval, 3-4 mm. long; disk-corollas 2 mm. long; tube glandular- 

 villous, shorter than the campanulate throat; lobes ovate; achenes 1.5 mm. long, glabrous. 



Type locality: California. 



Distribution: Known only from the type localit}'. 



Illustration: Hook. Ic. pi. 343. 



2. Eriophyllum nubigenum Greene; A. Gray, Proc. Am. Acad. 



19: 25. 1883. 



Actinolepis nubigena Greene, Fl. Franc. 442. 1897. 



A low densely white-tomentose winter annual; stem 5-12 cm. high, branched from the 



base; branches erect, leafy; leaves spatulate or oblanceolate, 1-2 cm. long; heads solitary 



at the ends of the branches; peduncles 1 cm. long or less; involucre oblong-campanulate, 



5 cm. high, 3-4 mm. broad; bracts mostly 5, oblong, densely villous; ray-flowers 5; ligules oval, 



scarcely more than 1 mm. long; receptacle conic; disk-flowers few; corollas about 2 mm. 



long; tube shorter than the deeply campanulate throat; achenes 3 mm. long, clavate, puberu- 



lent; squamellae about 10, oblong, obtuse, 0.5 mm. long. 



Type locality: Cloud's Rest, above the Yosemite, California. 

 Distribution: Type locality and vicinity. 



3. Eriophyllum parviflorum (A. Gray) Rydberg. 



Bahia Wallacei A. Gray, Proc. Bost. Soc. Nat. Hist. 7: 146. 1859. Not B. Wallacei A. Gray. 1857. 

 Bahia parviflora A. Gray. Bot. Calif. 1: 382. 1876. 



A floccose annual; stem branched at the base, 0.5-1.5 dm. high; leaves 1-2 cm. long, 



the lower spatulate, the upper linear-oblanceolate, usually with a few teeth; peduncles 1-3 cm. 



long; involucre campanulate, about 6 mm. high, 4-5 mm. broad; bracts usually united at 



least at first; ray-flowers 6-8; ligules yellow, 2-3 mm. long and nearly as broad; disk-corollas 



2 mm. long, the short tube densely glandular-hispid; achenes 2.5 mm. long, nearly prismatic, 



somewhat thickened upwards, hirsutulous; squamellae about 8, minute. 



Type locality: Fort Tejon, California. 

 Distribution: Southern California. 



4. Eriophyllum ambiguum A. Grav, Proc. Am. Acad. 19: 26. 



1883. 



Lasthenia ambigua A. Gray, Proc. Am. Acad. 6: 547. 1865. 

 Bahia ambigua A. Gray, Bot. Calif. 1: 382. 1876. 



A floccose annual; stem sparingly branched, 1-2 dm. high; leaves oblanceolate, entire, 



1-2 cm. long; peduncles 1-3 cm. long; involucre campanulate, 6-7 mm. high, 4-5 mm. broad; 



bracts usually united; free lobes lanceolate, acuminate; ray-flowers 6-8; ligules yellow, 2-3 



mm. long, nearly as broad; disk-corollas 2.5 mm. long; tube short, densely glandular-hispid; 



achenes 2.5 mm. long, glabrous; pappus wanting. 



Type locality: Near Fort Tejon, California. 

 Distribution: Southern California. 



5. Eriophyllum paleaceum Brand. Bot. Gaz. 27: 450. 1899. 



A loosely floccose annual; stem 1-1.5 dm. high, with n.any monocephalous branches; 

 leaves 1-2.5 cm. long, linear, linear-spatulate, or oblanceolate, all entire or the lower lobed 



