May 19. 
“ce 
23- 
26. 
7O 
80 
THE FLOWERS OF MAY. 143 
Trillium erythrocarpum, Michx. Painted Tril- 
lium. 
Coptis trifolia, Salisb. Three-leaved Gold- 
thread. 
Thalictrum dioicum, L. Early Meadow Rue. 
Ranunculus bulbosus, L. Common Buttercup. 
Rumex Acetosella, L. Field Sorrel. 
Thaspium aureum, Nutt. Meadow Parsnip. 
Viola lanceolata, L. Lance-leaved Violet. 
Ribes oxyacanthoides, L. Gooseberry. 
Anthoxanthum odoratum, L. Sweet Vernal 
Grass. 
Carex bromoides, Schkuhr Sedge. 
Salix petiolaris, Smith Willow. 
Polygala paucifolia, Willd. Fringed Polygala. 
Trillium cernuum, L. Wake Robin. 
Streptopus roseus, Michx. Twisted Stalk. 
Viburnum lantanoidés, Michx. | Hobble-bush. 
Carpinus Caroliniana, Walter American Horn- 
beam. 
Ostrya Virginica, Willd. American Hop-Horn- 
beam. 
Rhododendron Rhodora, Don Rhodora. 
Sambucus racemosa, L. Red-berried Elder. 
Carex vestita, Willd. Sedge. 
Polygonatum biflorum, Ell. Solomon’s Seal. 
Betula populifolia, Ait. Gray Birch. 
Erigeron bellidifolius, Muhl. Robin’s Plantain. 
Carex laxiflora, Lam. Sedge. 
