98 NORTH AMERICAN FLORA [Volume 34 



Pappus-squamellae all obtuse, rarely wanting; leaves broadly spatulate or 

 obovate; ligules yellow or reddish, rarely white. 

 Squamellae shorter than the corolla-tube; achenes glabrate or sparingly 

 hairy. 

 Ligules yellow, indistinctly toothed; leaves usually entire. I. A. Wallacei. 



Ligules reddish or rarely white, distinctly 3- or 4-toothed; leaves often 



3-lobed at the apex. 2. A. rubellum. 



Squamellae longer than the corolla-tube; achenes densely hairy. 3. A. australe. 



Pappus-squamellae on the angles narrow, linear-lanceolate or linear; leaves 

 linear or narrowly linear-oblanceolate ; ligules white. 

 Squamellae on the angles produced into an awn, much longer than the rest. 4. A. lanosum. 

 Squamellae on the angles muticous, slightly longer than the rest. 5. A. tenuifolium, 



1. Antheropeas Wallacei (A. Gray) Rydberg. 



Bahia Wallacei A. Gray, in Torr. Pacif. R. R. Rep. 4: 105. 1857. 

 Actinolepis Wallacei A. Gray, Proc. Am. Acad. 9: 198. 1874. 

 Eriophyllum Wallacei A. Gray, Proc. Am. Acad. 19: 25. 1883. 

 Eriophyllum aureutn Brand. Bot. Gaz. 27: 449. 1899. 



A lanose annual, branching from the base; stems ascending or decumbent, 2-10 cm. 

 high, white-tomentose; leaves obovate or spatulate, entire, 5-15 mm. long, densely and perma- 

 nently floccose; peduncles usually less than 1 cm. long; involucre campanulate or turbinate, 

 about 5 mm. high, 5-6 mm. broad; bracts 8-10; receptacle high-convex; ray-flowers 8-10; 

 ligules yellow, 4 mm. long, 3 mm. wide, with 2 or 3 obscure teeth; disk-corollas 2-2.5 mm. long, 

 gland ular-puberulent; style-branches with conic tips; achenes 2 mm. long, obtusely angled, 

 glabrate or nearly so; squamellae 6-8, oblong, erose, about 0.5 mm. long or less, sometimes 

 reduced to a mere crown or wanting. 



Type locality: Teyanga, near Los Angeles, California. 

 Distribution: Southern Utah to Arizona and southern California. 



2. Antheropeas rubellum (A. Gray) Rydberg. 



Bahia rubella A. Gray, in Torr. Bot. Mex. Bound. Surv. 95. 1859. 

 Actinolepis Wallacei rubella A. Gray, Proc. Am. Acad. 9: 198. 1874. 



A lanose annual; stem erect or ascending, branched, 4-10 cm. high, white-tomentose; 



leaves spatulate in outline, permanently floccose, 8-20 mm. long, often with 3 rounded lobes 



at the apex; peduncles 1-2.5 cm. long; involucre turbinate-campanulate, 6-7 mm. high, 5-6 



mm. broad, tomentose; bracts 8-10, acute or acuminate; receptacle high-convex; ray-flowers 



8-10; ligules pale-purple, rose-colored, or rarely white, 3-4 mm. long, 2.5-3 mm. wide, distinctly 



3- or 4-toothed; disk-corollas yellow, 2-2.5 mm. long; tube densely glandular-pubescent ; st}de- 



branches with conic tips; achenes 2 mm. long, glabrous; squamellae 6-8, oblong, erose, about 



0.5 mm. long. 



Type locality: San Felipe (between San Diego and the Rio Colorado, California). 

 Distribution: Type locality and vicinity. 



3. Antheropeas australe Rydberg, sp. nov. 



A floccose annual; stems branched at the base; branches ascending, 5-10 cm. high, densely 

 floccose; leaves spatulate, 5-10 mm. long, entire, densely floccose; peduncles 1-3 cm. long; 

 involucre turbinate, 5 mm. high and broad, densely floccose; bracts 8-10 mm. long; receptacle 

 low-conic, obtuse; ray-flowers 8-10; ligules yellow, about 3 mm. long and 2 mm. wide; disk- 

 corollas scarcely 2 mm. long, glandular-puberulent; achenes 2 mm. long, obtusely angled, 

 decidedly appressed-hairy ; squamellae 8-10, elliptic, obtuse, erose, nearly 1 mm. long. 



Type collected in the mountains of northern Lower California, 1884, Or cult (herb. Columbia 

 Univ.). 



Distribution: Northern Lower California and San Jacinto Mountains, California. 



4. Antheropeas lanosum (A. Gray) Rydberg. 



Burrielia lanosa A. Gray, in Torr. Pacif. R. R. Rep. 4: 107. 1857. 

 Actinolepis lanosa A. Gray, Proc. Am. Acad. 9: 198. 1874. 

 Eriophyllum lanosum A. Gray, Proc. Am. Acad. 19: 25. 1883. 



A loosely floccose annual; stems slender, branched, 5-13 cm. high, ascending or erect; 

 leaves linear or narrowly linear-oblanceolate, entire, 1-2 cm. long, 1-3 mm. wide, loosely 



