37 Micranthes Nelsoniana (D. Don.) Small. _Nelson’s Saxifrage_ 140 37 Micranthes Lyallii (Engler) Small. _Lyall’s Saxifrage_ 140 38 Muscaria cæspitosa (L.) Haw. _Tufted Saxifrage_ 138 38 Micranthes rhomboidea (Greene) Small. _Mountain Saxifrage_ 138 39 Spatularia Brunoniana (Bong.) Small. _Tall Saxifrage_ 142 39 Leptasea austromontana (Wiegand), Small. _Common Saxifrage_ 142 40 Tiarella unifoliata Hook. _Western Foam-Flower_ 150 40 Lutkea pectinata (Pursh) Kuntze. _Cut-Leaved Lutkea_ 150 41 Rubus pedatus Smith. _Creeping Raspberry_ 152 42 Rubus parviflorus. Nutt. _Salmon-Berry_ 156 43 Fragaria glauca (S. Wats.) Rydb. _Wild Strawberry_ 158 43 Amelanchier florida Lindl. _Service-Berry_ 158 44 Dryas octopetala L. _White Mountain Avens_ 164 44 Dryas Drummondii Rich. _Drummond’s Mountain Avens_ 164 45 Geum strictum Ait. _Yellow Avens_ 162 45 Sieversia ciliata (Pursh) Don. _Long-Plumed Purple Avens_ 162 46 Phaca americana (Hook.) Rydb. _Arctic Vetch_ 172 46 Homalobus aboriginorum (Rich) Rydb. _Indian Vetch_ 172 47 Aragallus deflexus. (Pall.) Heller. _Drooping Vetch_ 176 47 Aragallus viscidulus Rydb. _Sticky Oxytrope_ 176 48 Aragallus Lamberti (Pursh) Greene. _Loco Weed_ 180 48 Lathyrus ochroleucus Hook. _White Vetch_ 180 49 Empetrum nigrum L. _Black Crowberry_ 182 49 Linum Lewisii Pursh. _Wild Blue-Flax_ 182 50 Pachystima myrsinites (Pursh) Raf. _Mountain Lover_ 184 50 Viola adunca longipes (Nutt.) Rydb. _Dog Violet_ 184 51 Elæagnus argentea Pursh. _Silver-Berry_ 190 51 Lepargyræa canadensis (L.) Greene _Buffalo-Berry_ 190 52 Epilobium luteum Pursh. _Yellow Willow-Herb_ 194 52 Chamænerion latifolium (L.) Sweet. _Broad-Leaved Willow-Herb_194 53 Chamænerion angustifolium (L.) Scop. _Fire-Weed_ 196 53 Berberis aquifolium Pursh. _Trailing Mahonia_ 196 54 Echinopanax horridum. (Smith) Dec. & Planch. _Devil’s Club_ 200 55 Cornus canadensis intermedia Farr. _Bunch-Berry_ 204 56 Pyrola asarifolia Michx. _Liver-Leaf Wintergreen_ 208 56 Pyrola uliginosa Torr. _Bog Wintergreen_ 208 56 Moneses uniflora (L.) A. Gray. _One-Flowered Wintergreen_ 208 57 Chimaphila umbellata (L.) Nutt. _Prince’s Pine_ 210 57 Arctostaphylos uva-ursi (L.) Spreng. _Bear-Berry_ 210