INDEX. 



213 



PAGE 



Ivesia — 



Muirii Gray = Horkelia Muirii 148 



pallida Greene = Horkelia Kingii 148 



Pickeringii Gray = Horkelia Pickeringii 



18, 145 

 pinnatifida Wats. = Potentilla Arizonica 



18, 106 

 pygmaea Gray = Horkelia pygmaea...l8, 152 

 pygmaea Wats. = Horkelia scandularis. 150 

 Reevesii Wats. = Horkelia argyrocoma.. 144 

 sabulosa Jones = Comarella sabulosa 



10, 14, 17, 157 

 santalinoides Gray = Stellariopsis santa- 



linoides 14, 17, 155 



Shocldeyi Wats. = Horkelia Shockleyi... 153 

 tridentata Torr. = Horkelia tridentata... 138 

 unguiculata Brewer & Wats. = Horkelia 



sericoleuca. 144 



unguiculata Gray = Horkelia unguicu- 

 lata 146 



Utahensis Wats. = Horkelia Utahensis... 150 

 Utahensis campestris Jones = Horkelia 



campestris 147 



Webberi Gray = Horkelia Webberi 149 



Nemophila 12 



Lebmannia Tratt 4 



Pancowa Heist. = Comarum 3, 162 



Pentaphyllum. Gaertu . = Potentilla 3, 20 



POMACEAE 15 



Potentilla Benth. & Hook., in part = Hor- 

 kelia 119 



Potentilla Clairv. , in part = Sibbaldia 1 85 



POTENTILLA L 1-19, 20 



absinthifolia Dougl. = P. Pennsylvanica 



strigosa 97 



acutifolia Gilib. = P. sulpburea 72 



agrimonioides Bieb 192 



agrimonioides var. Bieb. = P. bipinnati- 



Ma 99 



alchemilloides La Peyr • 64 



alcheinilloides Scblecbt. = P. beptaphylla 64 



PAGE 



POTEISTTILLA— 



alpestris Haller = P. maculata 58 



alpina Dalla 190 



A Itaica Bunge = P. nivea Altaica 86 



ambigens Greene, JSTo. 103 32,116 



aneistif alia Galeotti = 7. Eichardii 109 



Andersonii Greene= Horkelia parviflora 134 

 Anserina L. = Argentina Anserina...... 



3, 4, 5, 6, 13, 14, 16, 17, 159 

 Anserina concolor Ser. = Argentina An- 

 serina concolor 160 



Anserina Egedii Torr. & Gray = Argen- 

 tina Egedii 158 



Anserina grandis Torr. & Gray =^ Argen- 

 tina Anserina grandis 161 



Aiiserina Groenlandica Tratt. = Argentina 



Egedii 158 



Anserina holosericea Gaud. = Argentina 



Anserina concolor 161 



Anserina sericea Koch. = Argentina An- 

 serina concolor 161 



anserinoides Lehm. = Argentina anseri- 



noides Rydb 5, 6, 17 



arachnoidea Dougl. = P. Pennsylvanica 



arachnoidea 98 



Aeenicolae §19 22, 31,111 



argentea L., No. 24 5, 6, 24, 51 



argentea dentata Beck = P. argentea 51 



Akgenteae §5 21, 34, 49 



argentina Huds. ^ Argentina Anserina 160 



arguta Lebm. = P. bipinnatifida 99 



arguta Nutt. = Drj'mocallis glutinosa .. 196 

 arguta Porter & Coulter = Drymocallis 



fissa 197 



arguta Pursb = Drymocallis arguta 



4, 5, 10, 12, 13, 14, 16, 17, 192 

 arguta ferruginea Lehm. = Drymocallis 



arguta 192 



Arizonica Greene, No. 91 18, 31, 106 



Ashlandica Greene = Drymocallis Ash- 

 landica 200 



