(105) 



4, 8, or 12 mernbranaceous scales. Flowers 

 yellow. 



1. E. ST^CHADIFOLIUM Lag. Frutescent; 

 heads with short peduncles in loose cymes; re- 

 ceptacle alveolate. . San Francisco. Sum- 

 mer. 



2. E. CONFEBTIFLOKUM Gray. Suffrutescent; 

 Head with very short peduncles in compact 

 cymes; receptacle not alveolate. 2. Com- 

 mon. Summer. 



3. E. C^SPITOSUM Dougl. Herbaceous: 

 heads solitary, or few on large peduncles. 2. 

 Marin County. Summer. 



42, Monolopia DC. 



Superflua. Scales of the involucre united 

 into a dentate cup. Rceptacle conical, naked, 

 papillate. Pappus 0. Flowers yellow. 



1. M. MAJOR DC. Ray-flowers with 3-4 

 lobed ligulae and an appendage on the oppo- 

 site side; bracts of the involucre united. . 

 Oakland. Saucelito. Summer. 



2. GRACILENS Gray. Ray-flowers with 3- 

 4-lobed ligulse and an appendage on the oppo- 

 site side; bracts of the involucre distinct to 

 the base. . Santa. Cruz Mountains. Sum- 

 mer. 



43. Lasthenia Cass. 



Superflua. Scales of the involucre united 

 into a dentate cup. Receptacle conical, naked, 



5A 



