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