1494 CONTRIBUTIONS FEOM THE NATIONAL HERBARIUM 



rays inconspicuous, yellow, changing to purple, perhaps sometimes wanting; 

 disk flowers yellow, becoming brownish purple; achenes pubescent; pappus 

 brown. 



22. Aplopappus squarrosus Hook. & Arn. Bot. Beechey Voy. 146. 1833. 

 Hazardia squarrosa Greene, Erythea 2: 112. 1894. 



Baja California (according to Greene). California. 



Suff'ruticose at base, 1 meter high «r less, the stems rough-pubescent; leaves 

 cuneate to oblong-obovate or obovate, 1.5 to 4 cm. long, 7 to 20 mm. wide, obtuse , 

 sessile and somewhat clasping, sharply serrate throughout with mucronulate teeth; 

 heads racemose to pyramidal-panicled, discoid, about 20-flowered; involucre 

 turbinate, many-seriate, 10 to 12 mm. high, the phyllaries granular, greenish- 

 tipped, at least the outer spreading at apex; achenes nearly or quite glabrous; 

 pappus deep brown. 



23. Aplopappus orcuttii A. Gray, Proc. Amer. Acad. 20: 297. 1885. 

 Hazardia orcuttii Greene, Erythea 2: 112. 1894. 



Known onh' from the vicinitj' of the type locality, Ensenada de Todos Santos, 

 Baja California. 



Suff'ruticose, 30 cm. high and more, resinous, essentially glabrous; leaves 

 elliptic to obovate, 2.5 to 4.5 cm. long, 7 to 15 mm. wide, mucronulate-pointed, 

 narrowed to the sessile base, entire or rarelj' slightly serrulate, impressed- 

 glandular; heads turbinate, in narrow virgate panicles; involucre 7 to 10 mm. 

 high, many-seriate, the phyllaries linear, with short, obtuse or acutish, greenish, 

 densely glandular, appressed or slightly spreading tips; rays .small, not exceeding 

 disk; achenes sparsely pilose. 



24. Aplopappus berberidis A. Gray, Syn. Fl. l^: 126. 1884. 

 Hazardia berberidis Greene, Erythea 2: 112. 1894. 



C jronados Islands amd northern Baja California; type from Todos Santos Bay. 



Suffruticose, about 0.5 meter high, the stem loosely hispid-pilose; leaves 

 cuneate-obovate or oval-obovate, 1.8 to 4 cm. long, 8 to 17 mm. wide, obtuse, 

 sessile and clasping, sharply serrate throughout; heads racemed or capitate- 

 clustered at apex of stem, rarely solitary, campanulate, chiefly sessile; involucre 

 13 to 15 mm. high, many-seriate, the phyllaries linear-oblong, rounded, appressed, 

 greenish and granular toward apex; raj's numerous, about 6 mm. long; achenes 

 striate, glabrous. 



25. Aplopappus cruentus Greene, Pittonia 2: 17. 1889. 

 Hazardia cruenta Greene, Erythea 2: 112. 1894. 



Known only from the type locality, Coronados Islands, Baja California. 



Low, shrubby, looselj' villous; leaves obovate or spatulate-obovate, 2 to 2.5 cm. 

 long, 7 to 10 mm. wide, obtuse, narrowed to base, sharply spinulose-serrate above 

 the base, thin-coriaceous; heads solitary at tips of branches, subglobose-cam- 

 panulate; involucre 1.5 cm. high, the phyllaries linear or oblong-linear, obtuse, 

 obscurely greenish and glutinous toward tip, appressed, somewhat purplish- 

 tinged; rays numerous, yellow becoming saffron-red, the famina about S mm. 

 long. 



26. Aplopappus spinulosus scabrellus (Greene) Blake, Contr. Gray Herb, 

 n. ser. 52: 24. 1917. 



Eriocarpum scabrellum Greene, Erythea 2: 108. 1894. 



Baja California; Sonora to Guanajuato; type from Los Angeles Ba}', Baja 

 California. Colorado to New Mexico. 



Herbaceous to suffruticose, 30 cm. high and more, subglabrous to densely 

 hispid-pilose, often glandular; leaves obovate or cuneate to (upper) linear or 

 linear-oblong, the lowest sometimes bipinnatifid, the middle and upper mostly 

 oblanceolate or oblong-linear, toothed to pinnatifid, the teeth spinulose-tipped; 



