(94) 



Tribe IV. HELI ANTHER. 

 Anthers without tails. Receptacle paleace- 

 ous, Pappus not capillary. 



a. PalecB persistent. 



25. Balsamorrhiza Hook. Nutt. 



Superflua. Head oo -flowered. Bay -flowers 

 lanceolate. Receptacle flat, paleaceous. Pap- 

 pus 0. 11 Flowers yellow. 



1. B. DELTOIDEA Nutt. Leaves with cor- 

 date base, entire to serrate. Niles. Spring. 



2. B. Hookeri. Nutt. Leaves pinnately 

 or bipinnately parted. Hillsides near Lake 

 Chabot. Spring. 



26. Wyethia Nutt. 



Superflua. Head co-flowered ; ray-flowers 

 lanceolate. Scales of the involucre 2 3-seri- 

 ate: external foliaceous; internal paleaceous. 

 Receptacle flat, paleaceous. Pappus cup-shaped 

 *or aristate. If. Flowers yellow. 



1. W. HELENIOIDES Nutt. Involucre folia- 

 ceous, spreading; pappus chaffy, not aristate; 

 young plant tomentose; akenes pubescent 

 towards the apex. Dry hillsides. Mission 

 Dolores. Spring. 



2. W. GLABRA Gray. Involucre foliaceous, 

 spreading; pappus chaffy, not aristate; plant 

 glabrous, glutinous; akenes glabrous. Tamal- 

 pais. Spring. 



