^ INDEX TO PLATES. 



CyATHOPHYLLUM — Continued. Plates. 



robustuin "'^ 



rugosum *^0, 9o 



scyphus "^ 



tornatiiin 80, 86 



traiithanuin 80 



winchelli 83 



Cystiphyllum 



americaniim 124 



cicatriciferum 125 



cuyagaense 80 



edwinanum 128 



grande 126 



hispidum 127, 129 



incurvum 124 



limbatum 126 



lineatum 128 



nettelrothi 125 



niagarense 124 



oliioense 125 



OS 130 



plicatum 100, 128, 129, 130 



squamosum 125 



sulcatum 125 



theissi 128 



tumidosum 128 



vesiculosum 129 



DiPHYPHYLLUM 



archiaci 108, 112, 113 



bellis 108, 116 



coagulatum 117 



coalesccns 117 



