410 Inuleae 



rather narrow and virgate ; herbage glandular and very sweet- 

 scented, only the stem slightly arachnoid ; leaves green on both 

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

 bracts oblong-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, bearing rather loose 

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

 brate above, glandular and balsamic-scented, s'trongly 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; 

 stems 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 floccose 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. 



5. G. microcephalum Nutt. Biennial; stems slender with 

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

 above, the whole herbage white with a persistent 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. 



Frequent in dry washes and in the chaparral belt. June-September. 



4. G. palustre Nutt. Low, branching annual, 5-15 cm. high, 

 floccose with long wool ; leaves spatulate to oblong and lanceo- 



