
rer ae 
a. 
pseudovegetus, (C. calcaratus). 
refractus, 7 40 58 61 
repens phymatodes, 82 , 
rivularis, (C. diandrus castaneus), 58 
rotundus. 
Schweinitzii, 42 48 55 81 104 
strigosus, 17 45 72 94 
tetragonus. 
Cypripedium parviflorum. 
pubescens, (C. pubescens). 32 42 45 48 5899 
Dactylis glomerata, 3 32 42 45 58 
Dactyloctenium aegyptium, (Aleusine aegyptica), 30 85 
Danthonia spicata, 16 17 18 32 58 61 79 
Deschampsia caespitosa. 
flexuosa. 
Diarrhena diandra, (D. americana), 58 61 82 
Digitaria filiformis, (Panicum filiforme), 17 30 32 45 61 81 
sanguinalis, (Panicum sanguinale), 21 72 98 
fimbriata,. (Panicum sanguinale fimbriata), 58 
Dioscorea glauca, (JD. villosa). 14 32 45 48 65 105 
paniculata, 32 
- Dulichium spathaceum, 45 109 
Echinochloa crusgalli, (Panicum crusgallz), 17 85 
Echinodorus cordifolius, (Z. vostratus), 84 85 104 110 
lanceolatus, (£.. vostratus lanceolatus), 84 
radicans, 65 82 110 
tenellus, (Z. parvulus), 98 
Eleocharis acicularis, 1 14 6065 84 108 
acuminata, (£. compressa), 1 98 104 
Engelmanni. 16 57 105 
olivacea, 58 
ovata 1 36 45 48 58 65 75,109 
palustris, 65 104 
quadrangulata, 58 59 
tenuis, 16 17 58 84 
Eleusine indica, (common). 
Elodea canadensis, 3 6 58 59 82 
Elymus arenarius, (£. mollis). 
canadensis, 45 61 65 
glaucirolius, 33 45 58 65 
striatus, 17 30 82 104 
villosus. 
virginicus, 32 
Eragrostis Brownei, (£. ovina.) 
capillaris, 18 58 
elatior, 49 55 
Frankii, 65 73 
Hypnoides, (£. reptans), 17 31 32 98 104 
