42 Botany of Marifosa. [zoe 



Euphorbia ocellata D. cS: H. Open clayey soils. Mariposa and 

 below, 

 dictyosperma P. & M. Open hillsides. Mariposa, etc. 



Ouercus Wislizeni ADC. Dry wooded hillsides, almost every- 

 where below the evergreen belt. 



Asarum Hartwegi Wats. Rocky places. Mariposa, etc. April. 



Arceuthobium occidental Engelm.? Everywhere on Pinus Sab- 

 iuiana. C. 



Pinus ponderosa Dougl. Begins liere but reaches its grandest 

 development in the zone above. C. S. 



Allium hyalinum Curran. Rocky places. Mariposa, etc. April. 

 Two weeks earlier than the a.ssociated A. aitejiuifolhtvi 

 Kell. 



Brodiffia grandiflora Sm. Open grounds. Mariposa, etc. Fre- 

 quent. May to June. 



Stropholiron Californicum Torr. Climbing over the bushes ev- 

 erywhere from Mariposa, etc., above. The leaves die 

 early. C. 



Fritillaria atropurpurea Nutt. Shaded hillsides and deep woods. 

 Mariposa and above. C. 



Erythronium Hartwegi Wats. Shaded hillsides, principally near 

 Mariposa. April. This is the most appropriate " Mar- 

 iposa Lily." 



Odontostomum Hartwegi Torr. Rocky beds of streams. Agua 

 Fria. April and May. 



Juncus Congdoni Wats. Bed of the Chowchilla, etc. April and 

 May. 



Cyperus aristulatus Roth. Beds of streams. Chowchilla and 

 above. C. 



Agrostis virescens HBK. Rocky banks of streams. Mariposa 



and above. C. 



Cinna macroura Kunth. Rock)' banks of streams. Mariposa and 

 vicinity. 



Triticum caninum L. Rocky banks of streams. Mariposa and 



above. C. 



The 124 species above named illustrate the same fact as the for- 

 mer list, that the species change rapidly as we approach the mount- 

 ains. Out of the whole number only 44 enter the coniferous belt, 

 and ol these only nine reach the subalpine region. Out of the 508 



