396 Astereae 



capillary scabrous bristles, with or without an outer 

 series of short bristles of paleae. 



1. C. sessilifolia Nutt. Slender, sparsely pilose-hispid, viscid- 

 glandular ; leaves oblanceolate, sharply pointed, the longest often 

 3-4 cm. long; corymbose branches ending in about 3 subsessile 

 heads; these about 12 mm. high, leafy-bracted at base; involu- 

 cral bracts viscid-glandular; achenes slender-fusiform, silky- 

 pubescent; outer pappus slenderly squamellate. 



Along the coast, Davidson. 



2. C. fastigiata Greene. Stems several, ascending, 3-6 dm. 

 high, rigid and brittle, densely clothed with small ascending, erect 

 leaves ; these strongly crisped, 12 mm. long or less, sessile, acute, 

 densely silky-tomentose on both sides; heads narrow, numerous, 

 in a fastigiate corymb at the ends of the branches ; bracts of the 

 narrow turbinate involucre rather softly strigose-pubescent ; rays 

 few, short and inconspicuous; achenes silky-villous ; outer series 

 of pappus wanting. 



Frequent on dry plains and in the lower portions of the chaparral belt. 



8. SOIilDAGO Vail. GOLDENROD. 



Strict simple-stemmed perennial herbs, with alternate 

 more or less serrate leaves, and many small heads in ter- 

 minal clusters which are usually in scorpioid racemes 

 and forming a panicle. Involucre narrow, its bracts in 

 2 or more series, neither herbaceous-tipped nor glutinous. 

 Flowers all permanently yellow, the outer and ligulate 

 shorter, the inner narrow-funnelform. Style-appendages 

 lanceolate. Achenes terete or prismatic, 5-10-nerved, 

 glabrous or pubescent. Pappus a series of unequal sca- 

 brous permanently white bristles. 



1. S. confinis Gray. Glabrous, or the inflorescence some- 

 times minutely pubescent, 4-9 dm. high ; leaves lanceolate, the 

 stem leaves shorter, about 5-8 cm. long, the basal often oblanceo- 

 late or obovate, heads about 4 mm. long, crowded in a dense 

 oblong panicle, not secund ; rays not surpassing the disk-flowers; 

 achenes canescently pubescent. 



Occasional in low marshy places. Cienega; San Bernardino. July-Octo- 

 ber. 



