256 University of California Publications in Botany, [VOL. 3 



1. S. cichoriacea Gray, Proc. Am. Acad. vi. 552 (1865). Pti- 

 loria cickoriacea Greene, Pitt. ii. 133 (1890). 



Root strong and woody, perennial : stems virgate, erect, stout, 

 the whole plant 4 to 12 dm. high: herbage woolly when young, 

 sometimes densely so, but early glabrate : leaves oblong or lanceo- 

 late, acute, narrowed to the sessile base, remotely and saliently 

 toothed or some quite entire, the largest 2 dm. or more long and 

 1 to 3 cm. wide: heads on short scaly-bracteate peduncles along 

 the stems, about 12-flowered: involucre 12 to 15 mm. high; the 

 outer bracts imbricated in 2 or 3 series: receptacle with hirsute 

 alveoli: achenes smooth, faintly 5-angled: pappus sordid, the 

 1L' to 20 bristles plumose for their whole length. 



Rocky slopes and canons in the foothills (Upper Sonoran 

 Zone) from Tejon Pass and the Santa Barbara Islands to the 

 San Gabriel and San Bernardino Mts. 



2. S. Parryi Gray, Proc. Am. Acad. xix. 61 (1883). Ptiloria 

 Parryi Coville, Contr. U. S. Nat. Herb. iv. 144 (1893). 



Plant 6 dm. or less high, from a perennial root : stem widely 

 branched throughout : leaves thickish, runcinate-pinnatifid ; those 

 near the heads small, somewhat spinulose-lobed : involucre 10 to 

 14-flowered : achenes smooth and even, with slender ribs : pappus- 

 bristles thickened, often united in twos or threes at the naked 

 base, sordid. 



A species of the Mohave Desert (Lower Sonoran Zone), and 

 eastward to Utah: Alpine, Los Angeles Co., Parish, no. 1961; 

 Rock Creek, ace. to Davidson ; Mohave, Mrs. Curran; near Victor- 

 ville, Hall, no. 6207 ; Rabbit Springs, Parish, no. 1835 ; Panamint 

 Mts., Coville & Funston, no. 755 ; Owens Valley, Hall & Chandler. 

 no. 7294. 



3. S. tenuifolia (Torr.) Hall, comb. nov. Prenanthesf tenui- 

 folia Torr., Ann. Lye. N. Y. ii. 210 (1828). Ptiloria tenuifolia 

 Raf., Atl. Journ. 145 (1832). Lygodesmia minor Hook., Fl. Bor. 

 Am. i. 295, t. 103 f. A (1833). Stephanomeria minor Nutt.. 

 Trans. Am. Philos. Soc. ser. 2, vii. 427 (1841). 



Stems herbaceous, from a perennial root, erect, with numerous 

 ascending slender branches, the whole plant 1 to 5 dm. high : her- 

 bage pale, glabrous: leaves commonly erect, slender and almost 

 grass-like, even the rameal mostly 2 to 5 cm. long; the early 



