488 FLOWERS OF FIELD, HILL, AND SWAMP 



41. Purple -flowering Raspberry 



Rubus odoratus. — Family, Rose. Color, deep pink. Leaves, 

 alternate, 3 to 5-lobecl, the middle lobe longer than the others, 

 all finely toothed, acute. Time, June and July. 



Calyx, 5-parted, its lobes tipped witli a long, fine point; very 

 clammy and hairy, often reddish. Petals, 5, large. Flowers, 2 

 inches across, several together, clustered. Fruit, like a rasp- 

 berry, of many small grains, flat and reddish, falling away 

 from the receptacle. Stem and petioles sticky with glandular 

 hairs, without thorns. 



A shrub 3 to 5 feet high. From northern New England to New 

 Jersey and Georgia, west to Michigan. 



42. Wild Red Raspberry , 



R. strighus. — Color, white. Leaves, 3 to 5 pinnately divided, 

 on bristly petioles ; the side leaflets sessile, downy underneath. 

 Time, June. 



Calyx, 5-parted. Petals, 5, soon falling. Stamens, many. 

 Fruit, red, of fleshy, roundish, edible drupelets mounted on a 

 spongy receptacle, from which later they fall. Stem, woody, 

 3 feet high, with straight, rigid bristles. The leaf-stalks, when 

 young, are bristly, glandular, smooth. 



43. Black Raspberry. Thimbleberry 



P. occidentalis has 3-divided leaves, the leaflets ovate, doubly 

 serrate, the side ones with short stalks, white-downy under- 

 neath, clothed with hooked prickles. Sepals longer than the 

 petals. Stems with many prickles. Fruit nearly black, ripe 



in July. 



A common species, especially in New England. 

 From these 2 wild species most of our cultivated 150 varieties 

 are obtained. The raspberry is an obliging little fruit, coming 



