EXPERIMENT STATION BULLETINS 173 



Lady-fern, A. Felix-foemina, Bernh. 



]51adder-fern, Cystopteris bulbifera, Bernh. 



yensitive-fern, Onoclea sensibilis, L. 



Ostrich-fern, 0, struthiopteris, Hoff. 



Cinnamon-fern, Osmunda cinnamomea, L. 



Long Beech-fern, Phegoptcris polypodioides, Fee. 



Oak-fern, P. Dryopteris, Fee. 



Common Horsetail, Equisetum arvense, L. 



Wood Horsetail, E. sylvaticum, L. 



Swamp Horsetail, E. limosum, L. 



Common Scouring Rush. E. hyemale, L. 



Sedge-like Equisetum, E. scirpoides, Michx. 



Shining Clubmoss, Lycopodium lucidulum, Michx. 



White Pine, Pinus strobus, L. 



White Spruce, Picea alba, Link. 



Black Spruce, P. nigra, Link. 



Hemlock, Tsuga Canadensis, Carr. 



Balsam Fir, Abies balsamea. Miller. 



Tamarack, Larix Americana, Michx. 



^Vhite Cedar, Thuya occidentalis, L. 



Ground Hemlock. Taxus Canadensis, Willd. 



Common Cat-tail, Typha latifolia, L. 



Bur-reed, Hparganium simplex, Hudson. 



Indian Turnip, Arisaema triphyllum, Torr. 



Duckweed, Lemna minor, L. 



Pondweed, Potamogeton rufescens, Schrader. 



Pondweed, P. Richardsonii, Bennett. 



Quack-grass, Agropyron repens, Beauv. 



Red top, Agrostis alba, L. 



Hair Grass, A. scabra, Willd. 



Bottle-brush, Grass, Asprella Eystrix, Willd. 



Avena Smithii, Porter. 



Brachyehjtrnm aristatum, Beauv. 



Brome-grass, Bromus ciliatus, L. 



Blue-joint, Calamagrostis Canadensis, Beauv. 



Wood Reed-grass, Cinna pendula, Trin. 



Wild Rye, Elymus Virginicus, L. 



Wild Rye, E. Canadensis, L. 



Nodding Fescue-grass, Festuca nutans, Willd. 



Meadow Fescue-grass. F. elatior var, pralcnsis, Gray. 



Manna-grass, Glyceria nervata, Trin. 



Squirrel-tail Grass, Hordeum jubatuni, L. 



Millet-grass, Milium effusum, L. 



Mountain-rice, Oryzopsis asperifolia, Michx. 



Common Crab Grass, Panicum sanguinalc, L. 



Old-witch Grass, P. capillare, L. 



Barnyard-grass, 7*. crns-galli, L. 



Timothy, Phletim pralense, L. 



Low Spear-grass, Poa annua, L. 



English Blue Grass, /*. comprcssa, L. 



June Grass, /'. pralcnsis, L. 



Foxtail, Seiaria glauca, Beauv, 



Bottle-grass, S. viridis, Beauv. 



Sedge, Carex intumescens, Rudge. 



Sedge, C. lupulina, Muhl. 



Sedge, C. retrorsa, Schwcin. 



Sedge, C. Pscudo-cyperus, L. 



Sedge, C stricta. Lam. 



Sedge, C. arctata, Boott. 



Sedge, C. arctata Fa.roni. Bailey. 



Sedge, C. grannlaris, Muhl. 



Sedge, C. laxiflora, striatula, Carey. 



Sedge, C. Carcynna, Torr. 



Sedge, C. plantaginca, Lam. 



