[Vol. 9 



216 



ANNALS OF THE MISSOURI BOTANICAL GARDEN 



Wetherby - - (58a). 

 Wheeler 1887 (42). 

 Wicketson (51). 

 Wiegand 2402 (42). 

 Williams 1, - - (42); (58). 

 Winslow (42); (54). 



Wolf (38). 

 Wright 3912 (8). 

 Zantziger - - (48). 

 Zeller - - (50). 

 Zickendrath (40) ; 



(51). 



INDEX TO SPECIES 



New species, varieties, and combinations are printed in bold face type; ^syno- 

 nyms and page numbers having reference to plates, in italics; and previously 

 published names, in ordinary type. 



Page 



Calamaria 104 



adspersa 115 



aequinoctialis 107 



alpina 122 



amazonica 125 



azorica 207 



Bolanderi 143 



Boryana 116 



Butleri 152 



coromandelina 109 



cubana H4 



Drummondii 125 



dubia H8 



Duriaei 209 



ecJiinospora 154 



elatior 127 



flaccida 136 



Gardneriana 126 



Gunnii 124 



Hystrix 128 



humilior 134 



japonica "08 



KirTcii 123 



lacustris ^ 



LecJileri 138 



longissima ^ 



Malinverniana 



melanopoda 14 



melanospora 134 



Muelleri 127 



nigritiana ^ 



Nuttallii 130 



olympica * 



Perralderiana 121 



pygmaea 146 



riparia 181 



saccharata 179 



Savatieri 177 



Scliweinfurtliii 107 



setacea HO 



tegulensis 121 



tenuissima H7 



tripus 177 



triquetra 138 



Tucker mani 195 



Welwitschii 106 



Page 



Cephaloceratodon 104 



gymnocarpum 129 



hystrix 128 



Isoetella 104 



Duriaei 209 



Isoetes 103 



adspersa 115, 880 



aequinoctialis 107 



alata 137 



alpina 122, I 



amazonica 125 



ambigua 157 



Andina 138 



azorica 207, 232 



Bolanderi 143, & 



Bolanderi var. Parryi 143 



Bolanderi var. pygmaea 146 



Bolanderi var. Sonnei 143 



Boryana 116, 820 



~bracliiiqlossa 109 



Braunii 156, 8SO 



Braunii forma robusta 173 



Braunii var. maritima 174 



Brochoni 156, 230 



Butleri 152, 888 



Butleri var. immaculata 152 



californica 143 



canadensis 184 



canadensis var. BoTtlnnsii 184 



capsularis 109 



Clia'boisfaei 119 



Chapmani 136 



coromandelina 109, 218 



cubana 113, 220 



decipiens H" 



Delalandei 128 



Dodgei I 84 



Dodgei var. Eobbinm 184 



Drummondii 125, 2^i 



dubia 111 



Duriaei 209, 232 



Eatoni -177, 8SO 



echinospora 154, 230 



echinospora var. asiatica 



ecliinospora var. Boottii 



ecliinospora var. Braunii 156 



