408 Inuleae 



1. M. Californicus F. & M. Slender, erect, 1-3 dm. high; 

 leaves mostly linear; fructiferous bracts 5-6, becoming firm-cori- 

 aceous, somewhat semicordate or semiobovate in outline, straight 

 anteriorly, the soon erect bract-like tip mostly scarious. 



Frequent on open hillsides in the Santa Monica Mountains and in the 

 foothills about Los Angeles. 



22. STYLOCL.INE Nutt. 



Low and diffuse white-woolly annuals, with alternate 

 leaves and terminal subglobose heads. Bracts of the 

 involucre and of the receptacle deciduous with the 

 mature fruit, those of the fertile flowers involute or sac- 

 cate-conduplicate, embracing the obovate or oblong 

 obcompressed achene ; those of the sterile flowers plane 

 or concave. Pappus wanting in the fertile flowers, com- 

 posed of a few caducous bristles in the sterile ones. 



1. S. gnaphalioides Nutt. Stems 5-10 cm. long; leaves linear 

 or the upper oblong, obtuse ; fruiting bract hyaline, broadly ovate, 

 woolly on the back. 



Occasional in open ground, on wooded slopes, and in the chaparral belt. 

 April-June. 



23. PSILOCARPHUS Nutt. 



Small, usually depressed and much branched floccose 

 annuals, with opposite leaves and globose heads which 

 are sessile in the axils or at the forks. Fruiting bracts 

 numerous, crowded on the globular or oval receptacle, 

 cucullate-saccate, semiobovate or semiobcordate, rounded 

 at the tip, somewhat membranaceous, apex introrse, the 

 ovate or oblong hyaline appendage inflexed or erect. 

 Achene loose within the bract, oblong or narrow, straight, 

 slightly compressed. 



1. P. globiferus Nutt. Branched from the base and spread- 

 ing or prostrate ; leaves linear or narrowly spatulate, the upper- 

 most little surpassing the very woolly heads; achenes obovate- 

 oblong, about 1 mm. long. 



Frequent on the plains and hills, especially in exsiccated places. April- 

 May. 



