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6. J. errusus L. Stem naked; inflores- 
cence lateral; flowers of the panicle solitary on 
their branches, triandrous; leaves 0; capsule 
clavate obtuse.—2¢. Presidio. Summer. 
7. J. PATENS Meyer. Stem naked; inflores- 
cence lateral; flowers on panicle branches sol- 
itary, hexandrous; leaves 0; capsule subglobose. 
2. Common. Summer. 
8. J. suronius L. Stem leafy, branched; 
inflorescence terminal; flowers remote, hexand- 
rous.—@®. Common. Summer. 
y. J. Ketiocer Engelmann. Stem leafy, 
branched; inflorescence terminal; peduncles 1 
or 2-flowered; flowers triandrous.—@®. San 
Francisco. Spring. 
10. J. Tenuis Willd. Stem naked, simple; 
inflorescence terminal, a diffuse cyme of soli- 
tary flowers.—2¢. Lake Chabot. Summer. 
11. J. Fatcatus Meyer. Stem leafy; leaves 
sheathing, flat.—2¢. Lone Mountain. San Fran- 
cisco. Summer. 
12. J. xrpHioipes Meyer. Stems leafy, an- ’ 
cipital; leaves equitant, laterally compressed; 
flowers capitate; heads paniculate; anthers ex- 
ceeding the filaments.— 2£. Coast Range. Sum- 
mer. 
13. J. PHHOcEPHALUS Engelm. Stem leafy, 
ancipital; leaves equitant, laterally compressed ; 
flowers capitate; heads paniculate; anthers ex- 
