I I 8 COMPOSITAE. 



but much shorter than the awn like bristles. — (Blepharipappus elegans Greene.) 

 Montane: Ukiah; Calistoga; Southern California. 



4. L. carnosa T. & (i. Beach Layia. Diffusely branched, 5 to 9 in. 



high, somewhat pubescent, scarcely at all glandular; leaves about */» in. long, 

 succulent, spatulate to linear-oblong, toothed, the rameal rarely toothed; rays 

 " L . line long; pappus-bristles 23 to 28, sparsely plumose with straight soft hairs; 

 bracts of the receptacle ciliate; disk-achenes thickly covered with short hairs. — 

 (Blepharipappus carnosus Greene.) 



Seabeach sands from Humboldt Co. to Monterey and southward. Ray- 

 achenes pubescent, ace. to Gray; glabrous in Pt. Reyes specimens collected by 

 Parry. 



5. L. hieracioides (OC.) H. & A. Coarse erect plant, 2 to 3 ft. high; stem 

 mostly simple below ami branching above, hispid with hairs arising from 

 dark spots; lower leaves oblong, 2 to 4 in. long, 3 to 9 lines wide, laciniate- 

 dentate, usually somewhat narrowed at base; upper leaves broadest at the ses- 

 sile base, the teeth fewer and mostly towards the apex; heads 5 to 6 lines 

 broad; rays yellow, short, little exceeding the disk; pappus-bristles about 1". — 

 (Blepharipappus hieracioides Greene.) 



Oakland and Berkeley hills, on wooded slopes, north to Mendocino and south 

 to Santa Barbara. May. 



6. L. gaillardioides IT. & A. Eat her freely branching, 8 in. high or more, 

 hispid, the stems dark-dotted; leaves more or less laciniate-pinnatifid, or the 

 upper entire; heads larger than in B. hieracioides; rays orange-yellow. 5 to 9 

 lines long; pappus dull white or rusty, the bristles 15 to 20, twice as long as 

 the soft basal hairs. — (Blepharipappus gaillardioides Greene.) 



Mendocino Co. to the upper San Joaquin Valley. 



7. L. nemorosa (Greene) Jepson, n. comb. Slender, usually sparingly 

 branched above, 1 to 2 ft. high, hispidulous; leaves narrowly or broadly linear, 

 entire or sparingly dentate; heads the size of the preceding; rays white, pale 

 yellow below the middle; pappus-bristles short, little or not at all surpassing 

 the abundant soft brown hairs. — (Blepharipappus nemorosus Greene.) 



Mt. Tamalpais; Oakland Hills; Moraga Valley; Mt. Diablo. May-June. 

 Perhaps too near the preceding. 



8. L. platyglossa Gray. Tidy Tips. Stem simple or more commonly 

 branching below, erect or sometimes diffuse, 9 to 16 in. high; herbage short- 

 hirsute and stipitate-glandular ; leaves linear and entire or the lower com- 

 monly pinnatifid into short linear or oblong lobes; peduncles turbinate-thickened 

 beneath the head; Lnvolucral bracts linear, denticulate-ciliate on the lower 

 half; rays 13, 5 to 6 lines long, sulphur-yellow, the tips white; disk-achenes 

 somewhal fattened, 1U> lines long, densely clothed with upwardly pointing 

 silky hairs; pappus bristles 15 to 20, nearly as long as the corolla. — (Blephari- 

 pappus platyglossus Greene.) 



Valleys and plains. common in the Coast Ranges and in the Sacramento and 

 San Joaquin valleys, south to San Diego. Apr. -May. 



L. i'i tachabta Gray. The only other species with naked bristles; rays 

 -olden yellow; bristles 5, sometimes fewer. — Sierra Nevada foothills. 



9. L. chrysanthemoides (DC.) Gray. Habit and aspect of B. platyglossus 



OT of B. flouglasii; flowers and heads the same; achenes entirely glabrOU8, 



broader, without a disk at summit, the corolla covering the top of the ovary; 

 pappus none. — ( I tlepha ripappus chysanthemoides Greene.) 

 Common about San Francisco Bay: Millbrae, San Mateo Co. 



10. L. calliglossa Gray. Comparatively glabrous, the stems for the most 



