128 
Carex umbellata (21, fruit nearly 
mature). 
Carex communis (30). 
“ — varia (30). 
"  pennsylvanica (before the 17th). 
"  Jaxiflora (21). 
Arisaema triphyllum (21). 
Symplocarpus foetidus (9, and doubt- 
less much earlier). 
Luzula saltuensis (23). 
" campestris, var. 
(21). 
Oakesia sessilifolia (17-21). 
Uvularia perfoliata (23). 
Erythronium americanum (2, few 
flowers, sunny slope). 
multiflora 
Polygonatum biflorum (30, first 
flowers only). 
Trillium erectum (23). 
HE cernuum (17-23, sunny 
bank). 
Salix fragilis (30). 
“ alba, var. vitellina (30). 
“ discolor (fruit, 21). 
" humilis. 
" rostrata (21). 
Populus tremuloides (2). 
" — grandidentata (21, fruiting). 
Myrica asplenifolia (21). 
" — Gale (17-23). 
Corylus americana. 
D rostrata. 
Ostrya virginiana (21). 
Carpinus caroliniana (21). 
Betula populifolia (21). 
Alnus incana. 
" — rugosa. 
Ulmus campestris. 
" — americana. 
Comandra umbellata (29 or 30, in 
serub land). 
Stellaria media. 
“ — uliginosa (29 or 30, springy 
spot in open sheltered pasture — 
usually 3 weeks later). 
Cerastium vulgatum. 
Claytonia caroliniana (23). 
Rhodora 
[JUNE 
Ranunculus abortivus (21). 
i allegheniensis 
fruit, May 1). 
Ranunculus fascicularis (21). 
i bulbosus (30). 
Thalictrum dioicum (21). 
Anemonella thalictroides (17-23). 
Hepatica triloba (2). 
Anemone quinquefolia (2, few flowers 
at sheltered border of thicket). 
Caltha palustris (2). 
Coptis trifolia (before the 17th). 
Aquilegia canadensis (21). 
Actaea rubra (29 or 30). 
Berberis vulgaris (30). 
Benzoin aestivale (2, sunny slope). 
Sanguinaria canadensis. 
Draba verna (fruit, May 2). 
Capsella Bursa-pastoris (3). 
Barbarea vulgaris (29 or 30). 
Saxifraga virginiensis (9). 
Chrysosplenium americanum (2). 
Ribes oxyacanthoides (23). 
" prostratum (23). 
Amelanchier canadensis (before the 
17th, on sunny hillside). 
Amelanchier oblongifolia (21). 
tu " var. micro- 
petala (in full bloom, May 1). 
Fragaria virginiana (21). 
Potentilla pumila (2). 
“ canadensis, var. 
(30). 
Rubus triflorus (30). 
Prunus spinosa (19). 
" pennsylvanica (17-23). 
cuneata (29 or 30, esker- 
slopes, not specially protected). 
Prunus avium (21). 
“ — nigra (23). 
Geranium maculatum (29 or 30, open 
sunny woods, 1 flower only). 
Acer saccharum (23). 
"*  rubum (9). 
Viola pedata, var. lineariloba (13). 
"  eucullata (21). 
‘papilionacea (before the 17th). 
(young 
simplex 
ae 
