120 MONTANA AGRICULTURAL COLLEGE SCIENCE STUDIES. 



Currant; Ribes species. 



Cushion Cactus; Mamillaria vivipara, Haw. 



Daisy; Townsendia Parryi, Eaton. 



Dandelion; Taraxacum officinale, Weber. 



Deadly Nightshade; Solarium nigrum, L. 



Death Cama's ; Zygadenus venenosus, Wats. 



Devil's Darning-needles; Stipa comata, F. & R. ; S. spartea, Trin. 



Devil's Walking-stick; Fatsia horrida, Benth. & Hook. 



Diamond Willow ; Salix Mackenziana, Barratt. 



Dock; Rumex crispus, L. ; R. salicifolius, Weimm. 



Dodder; Cuscuta. 



Dog Fennel; Anthemis Cotula, DC. 



Dog-tooth Violet; Erythronium grancliflorum, Pursh. 



Douglas Fir ; Pseiulotsuga mucronata, Sudw. 



Douglasia; Douglasia montana, Gray and other species. 



Dragonhead; Dracocephalum parviflorum, Nutt. 



Elder; Elderberry; Sambucus glauca, Nutt. 



Elecampane; Balsamorrhiza sagittata, Nutt. 



Elephant's Head; Pedicularis Groenlandica, Retz. . 



Elm; Ulmus Americanus, L. 



Engelmann's Spruce; Picea Engelmanni, Engelm. 



Evening Primrose ; CEnothera caespitosa, Nutt. ; OE. pinnatifida, 



Nutt. 



Fairy Pinks; Orthocarpus tenuifolius, Benth. 

 False Flax; Camelina sativa, Crantz. 

 False Solomon's Seal; Smilacina species. 

 Field Draba; Draba nemorosa, L. 

 Field Mustard; Brassica Sinapistrum, Boiss. 

 Fir; Abies; Pseudotsuga. 



Fireweed; Epilobium angustifolium, L. ; Erigeron Canade-ise, L. 

 Fishweed; Potamogeton species. 

 Five-finger; Potentilla, 



Flowering Sage; Bigelovia graveolens, Gray. 

 Flowering Spurge; Euphorbia marginata, Pursh. 

 Forgetmenot; My'osotis alpestris, Schmidt. 

 Foxtail; Hordeum jubatum, L. 

 Frog-sprouts; Equisetum laevigatum, A. Br. 

 Frost Grape; Vitis vulpina, L. 

 Garlic; Allium species. 

 Golden Aster; Aplopappus acaulis glabratus, Eaton; Chrysopsis vil- 



losa, Nutt. 



