(106) 



papillose. Akenes linear compressed. Pappus 

 5 to 10 firm scales (sometimes 0). — 0. Flowers 

 yellow. 



1. L. GLABERRIMA DO. Pappus palea- 

 ceous. Near salt marshes. Spring. 



2. L. GLABRATA Lin ell. Pappiis 0. Per- 

 foliate. — Common. Spring. 



3. L. Californica Lincll. Pappus 0. 

 Leaves clasping, not perfoliate. — Berkeley. 

 San Mateo. Spring. 



44. Rigiopappus Gray. 



Superflua. Scales of the involucre linear, 

 erect, rigid, half embracing the akene. Re- 

 ceptacle flat, naked. Pappus 3-5-aristate. — 0. 

 Flowers pale, leaves alternate. 



45. Chaenactis. DC. 



Squalls. Flowers of the ray tubular but 

 frequently enlarged. Involucre hemispheri- 

 cal; its scales narrow. Peceptacle flat. Pap- 

 pus 4 to 12 obtuse, chafl"y scales. — 0. 



1. C. LANOSA DC. Flowers yellow.— Con- 

 tra Costa. Spring. 



46. Blennosperma l^ess. 



Necessaria. Ray flowers ovate, lignlate, 

 without tube. Scales of the involucre 1-seri- 

 ate, membranaceous. Receptacle flat, naked. 



