INDHX OF PLATES. 



Plate. 



Ajfrostis jBquivalvis 29 



dcnsifloia. 30 



ex;irata, Inrmii asperfolia 31 



Ilallii 32 



luunilis 33 



tenuis 34 



Al()|ieiuiUN alpiuus 24 



Californicus 25 



geniculatus var. robustns 26 



Howellii 27 



Macounii 27 



saccatns 28 



Stejnogeri 24 



Aristida Californica 7 



CalamaKrostis Aleutica 35 



Bolanderi 36 



Breweri 37 



crassiglumis 38 



C'usickii 39 



deiisa 40 



deschampsioidcs 41 



Howellii 42 



purpurascens 43 



Tweedyi 44 



CenchruB Palmeri 3 



Deschampsia ca^spitosa 45 



Hierocliloe maciophylla 6 



Imperata Hookeri 1 



Muhlenbergia Clalamagrostidea 19 



Califoruica 20 



debilis 21 



dumosa 22 



Parishii 23 



Orouttia Californica 49 



Greenei 50 



Oryzopsis exigua 17 



Webberi 18 



Panicum Urvilleaniiui 2 



Phalaris amethystiiia 4 



Lemmoni 5 



Stipa corouata 8 



eininens 9 



Kingii 10 



occideutalis 11 



Paii.shii 12 



Bctigera I3 



speoiosa 14 



Stillmani 15 



stricta IG 



Trisetum Californicuui 46 



canescens 47 



cernuum 48 



7 



