(90) 



the scales of the involucre and the paleae. 

 Scales of the involucre imbricate, sim- 

 ilar to the paleae. Receptacle elongate (like 

 the axis of a spike). Pappus of go, capillary 

 bristles, depauperate towards the periphery. 

 External row ? ; pappus pilose. . Flowers 

 inconspicuous. 



1. F. Californica Nutt. Woolly annual. 

 Common. Spring. 



19. Anaphalis DC. Pearly-eveelasting. 



Necessaria Superflua. Head oo -flowered. 

 ^ tubular, 5-dentate; style scarcely divided, 

 blunt; ? flowers oo -seriate, filiform. Scales of 

 the involucre imbricate, oo-seriate, radiating; 

 external rows ovate; internal rows longer and 

 narrower. Receptacle flat, naked. Pappus 1- 

 seriate, capillary, its bristles scabrous and dis- 

 tinct at base. — U- 



1. A. MARGARITACEA Benth. & Hook. — Com- 

 mon. Summer. 



20. Gnaphaliuma L. Everlasting. 



Superflua. Head co-flowered; ^ flowers 

 tubular, 5-dentate. Style 2-cleft. ? flowers 

 filiform, oo-seriate; involucre ovate. Scales 

 imbricate, 8-seriate, scarious; as long as the 

 head. Receptacle flat, naked. Pappus of 1- 

 seriate, capillary bristles. Flowers pale. 



