Genera. 



From May 1st to 10th. 



Common Names. 



Erythronium Americanum, 



Plantago lanceolata, 



Betula alba, 



var. populifolia, 



excelsa, 

 Coptis trifolia, 

 Comptonia asplenifolia, 

 Veronica serpyllifolia, 



peregrina, 



arvensis, 

 Salix Bdbylonica, 



alba, 



lucida, 



* tristis, 

 Aralia trifolia, 

 Ostrya Virginica, 



Carpinus Americana, 



Abies Canadensis, 



balsamea, 



nigra, 



excelsa, 

 Fraxinus Americana, 

 Forsythia viridissima, 

 Pyrus Japonica. 

 Magnolia purpurea, 

 Malionia aquifolium, 

 Ribes sanguinea, 



aureum, 



rubrum, 



JJoridum, 



hirtellum, 

 Prunus, 



Vaccinium Pennsylvanicum, 



Dog's-tootb violet. 

 Ripplegrass. 



White birch. 

 Yellow birch. 

 Goldthread. 

 Sweet fern. 



Thyme-leaved speedwell. 

 Purslane speedwell. 

 Corn speedwell. 

 Weeping willow. 

 White willow. 

 Shining willow. 

 Willow. 

 Dwarf ginseng. 

 Hop hornbeam, or 

 Lever wood. 

 Hornbeam, or 

 Iron wood. 

 Hemlock spruce. 

 Balsam fir. 

 Black spruce. 

 Norway spruce. 

 White ash. 

 Forsythia. 



Magnolia. 



Holly -leaved malionia. 



Currant. 



Missouri currant. 



Red currant. 



Black currant. 



Smooth wild gooseberry. 



Cherry trees of the various 



cultivated kinds. 

 Dwarf blueberry. 



Natural Orders. 



Liliaceae. 

 Plantaginacese. 



Betulacese. 



Ranunculacese. 



Myricaceae. 

 Scrophulariacese. 



Salicaceae. 



Araliaceoe. 

 Cupuliferse. 



Conifero?. 



Oleacece. 

 « 



Rosacea?. 

 Magnoliaceoa. 

 Berberidacea?. 

 Grossulacea?. 



Ericaceae. 



From May 10th to 20th. 



Aquilegia Canadensis, Columbine. Ranunculaceae. 



Ranunculus abortivus, Small-flowered crowfoot. " 



recurvatus, Hooked crowfoot. 



* Dartmouth. 



