410 Enuleae 



rather narrow and virgate; herbage glandular and very sweet- 

 scented, only the stem slightly arachnoid : leaves green on hoth 

 Bides, distinctly decurrent ; heads narrow, 4 mm. high, rose color; 

 1 Tacts ohlong-lanceolate, acutish. 



Occasional on wooded slopes about Pasadena and Los Angeles. 



2. G. Californicum DC. Biennial, 6-10 dm. high, stoutish, 

 corymbosely branched at the summit, hearing rather loose 

 cymosely disposed clusters of broad heads; leaves lanceolate, gla- 

 brate above, glandular and balsamic-scented, strongly adnate- 

 decurrent; heads 5-7 mm. high, nearly as broad, white or yellow- 

 ish ; outer bracts ovate or oblong, the inner acute. 



Rather common on the dry plains and foothills. April-July. 



3. G. leucocephalum Gray. Perennial from a lignescentroot; 

 Btems several, 4-6 dm. high, strict, mostly simple, very leafy; 

 herbage white with close wool except the under sides of the 

 leaves ; stem-leaves narrowly linear, attenuate, acute, erect, short- 

 decurrent at the narrow base, viscid-glandular above; heads in a 

 small close cyme; involucre broadly campanulate, much imbri- 

 cated, pearly white; bracts ovate and oblong, obtuse. 



Occasional in dry washes. Santa Anita Wash, near Monrovia. 



*-■*- Not at all glandular or heavy-scented. 



4. G. Chilense Spreng. Stems rather stout, from an annual 

 or biennial root, 3-6 dm. high, loosely fioccose or the upper faces 

 of the leaves often nearly glabrous; leaves lanceolate or the lower 

 often spatulate or oblanceolate ; heads in close clusters at the 

 ends of the corymbose branches ; involucre hemispheric, with a 

 yellowish-green tinge; bracts oval or oblong, obtuse. 



Common along the seashore on the sand-dunes and frequent in our foot- 

 hills and mountains, extending into the pine belt. 



•"). G. microcephalum Nutt. Biennial; stems slender with 

 several erect branches, 5-8 dm. high, loosely corymbose-paniculate 

 above, the whole herbage white with a persistenl wool, not at all 

 glandular or heavy-scented; leaves linear or the Lower spatulate, 

 slenderly decurrent; heads rather few or loose in the paniculately 

 or cymosely disposed clusters; involucres ovate: bracts white, 

 ovate or oblong, obtuse, except the inner. 



Frequenl In dry washes and In the ohaparral belt. June September. 



1. G. palustre Nutt. bow, branching annual, 5-15 cm. high, 



fioccose with Long wool; leaves spatulate to oblong and lanceo- 



