VOL. III.] Botany of Marifosa. 39 



Lessingia nana Gray. Open grassy ground. Mariposa. August 

 and September. 



Corethrogyne filaginifolia Nutt, var. tomentella Gray. Kite's 

 Cove. October and later. 



Stylocline filaginea Gray. Benton Mills. April. 



Evax caulescens Gray. Clayey ground. Common. 



Balsamorrhiza Bolanderi Gray. Dry summits of chaparral -cov- 

 ered hills. Bear Valley Mt., etc. April. 



Wyethia, related to W. angustifolia, and referred to under that 

 species in Bot. Cal. Dry woods. C. 



Hemizonella Durandi Gray. Dry ground. Benton Mills, etc. C. 



Hemizonia virgata Gray. Is the tar weed, here, covering all the 

 open grounds in August and September. 

 Wrightii Gray. Adventive from below, especially near the 



plains, 

 mollis Gray. Open grounds. Most common near and in 



the coniferous belt. C. 

 truncata Gray. Rocky sidehills. Mariposa. 



Lagophylla glandulosa Gray. Open clayey grounds and road- 

 sides. Mariposa and vicinity. May to December, 

 filipes Gray. Rocky beds of streams. Gaudalupe mount- 

 ain, etc. May — July. 



Layia Fremontii Gray. Open grassy places towards the plains. 

 March. 



Baeria debilis Greene. Shade of chaparral bushes. Lewis'. 

 April. 



Chtenactis glabriuscula DC. Clayey soils. Frequent. 



Helenium Bigelovii Gray. Rocky beds of rivers. Benton Mills 

 and above. C. S. 



Troximon retrorsum Gray. Shaded hillsides. Mariposa, and 

 more common in the zone above. C. S. 



Nemacladus ramosissimus Nutt. Rocky soils, nearly the same 

 range as the last. C. 



Githopsis specularioides Nutt. Wooded hillsides. Common. 



Heterocodon rariflorum Nutt. Rocky and wet places. Not rare. 



Arctostaphylos glauca Lindl. Mariposa. More common here 

 than A. pimgens, which grows principally higher up. 



Gomphocarpus tomentosus Gray. Rocky hillsides. Benton 

 Mills, etc. 

 cordifolius Benth. Open thickets. Common. 



