21 



May 10th to 20th 



Ericacece. 



Rhododendron canadense, (L.) B. S. P. 



Swampy ground, infre(nient. 



Rosacece. 



Often by roadsides, etc. 



Pyi-us ]\ralns, L. 



Pyrus eoniniunis, L. 



Often by roadsides, etc. 

 Rubus triliorus, Richards. 



Wet woods ; common. 



Prnniis pennsylvanica, L. f. 



Woodbinds ; common, 

 maritima. Wang. 



Near seashore ; common. 

 Persica, (L.) Stokes. 



Often by roadsides, etc. 

 Amygdalus, (Syn. Prunus.) 



Sinensis rosea, Flowering Almond. 



Spiraea Thunbergii, Thunberg's Spiraea. 



prunifolia fl. pi. Bridal Wreath. 



Kerria Japonica, Corchorus. 



Pyrus baccata Parkmanii, Japanese Crab. 



MhatnnacecB. 



Rhamniis alnifolia, L'ller. 



Swamps ; infrequent. 



Rhodora. 



Apple 



Pear. 



Dwarf Rubus. 



Wild Red Cherry. 



Beach Plum. 



Peach. 



Gardens. 



Gardens, b. till Nov, 

 Lawns. 



Swamp Buckthorn. 



lUt'rcbi'arefe. 

 Scleranthus annuus, L. 



A weed in gravelly places. Nat. f. Eu. 



Knawel. 



Eu2thorhiacem. 



Euphorbia Cyparissias, L. Garden Spurge. 



Common; escaped from gardens to roadsides, etc. 



