INDEX TO PLATES. x i 



DlPHYPHYLLUM — Continued. Plates. 



conjunctum 116 



gigas 115 



panicum 115 



strictum 114 



vemeuilanum 89, 113 



Eridophyllum 



arundinaceum 112 



/ dividuum 109 



hiironicum 109, 111 



/ eruciforme 107 



rugosum 109, 110 



> sentum 51, 108 



simcoense 112 



Hadrophyllum 



d'Orbignyi 103 



Omphyma 



verrucosa 104, 105 



Phillipsastrea 



gigas 118 



/ ingens , . 118, 119 



Ptychophyllum 



/coniferum 106 



diaphragma 106 



/ invaginatum 105 



/ ipomcea 104, 105 



stokesi 105 



tropceum 106 



typicum 106 



