ROSACEAE (ROSE FAMILY) 



Crataegus, Red haw. 



simple, usually lobed leaves and white or pink flowers, in corymbs. 

 Inferior ovaries, and small pomes of various colors. 



C. coccinea, RED HAW. Shrubs or small 

 trees with stout spines, 3 to 5 cm. long. Peti- 

 oles long, slender ; blades broadly ovate to or- 

 bicular, rough, pubescent, pointed at apex, 

 sharply cut and serrate; fruit usually pubes- 

 cent, yellowish-green, becoming dark reddish- 

 brown. Thickets. April, May. 



FRAGARIA 



Stemless shrubs with runners. Leaves 

 with three wedge-shaped leaflets and clus- 

 ters of white flowers on naked stems. Fruit 



the pulpy scarlet receptacle bearing minute achenes scattered 



over its surface. 



F. virginiana, WILD STRAWBERRY. Flower cluster with a flattish 

 top, calyx lobes tending to be connivent about the young fruit ; 

 achenes in pits and the pulpy receptacles. 

 Moist rich woods and fields. April to 

 June. 



F. vesca americana, WILD STRAW- 

 BERRY. Flower cluster soon regular and 

 becoming raceme-like ; calyx lobes loosely 

 spreading or reflex, early exposing the 

 fruit ; achenes superficial or nearly so on 

 the receptacle. Rocky woods. May, June. 



POTENTILLA 



Fragaria rirginiana, Wild 

 strawberry. 



Shrubs with compound leaves. 

 Flowers solitary or in clusters, with 



numerous stamens and carpels, collected in a head on the dry 

 receptacle. 



P. monspeliensis norvegica, ROUGH CINQUEFOIL. Stout, erect, hir- 

 sute, reaching 9 dm. in height; leaflets 3, oblong; those of the upper- 

 most 3 to 5 toothed near the end. Flowers small with yellow petals 

 and 5 to 20 stamens. Open ground. May to August. 



P. argentea, SILVERY CINQUEFOIL. Stems ascending, reaching 5 dm. 



