ROSACEAE (ROSE FAMILY) 



3 SORBARIA MOUNTAIN-ASH SPIREA. (S. sorbifblia*) 



4 PORTERANTHUS INDIAN PHYSIC. (P. trifoli&tus.) 



5 KfiRRI A JAPANESE ROSE. (K. japonica.*) 



6 RHODOTtPOS RHODOTYPOS. (R. kerrioldes*) 



7 EXOCH6RDA PEARL-BUSH. (E. grandiflbra*) 



8 RUBUS. 



1 a Leaves simple, 3-5-lobed ; flowers purplish 



PURPLE-FLOWERING RASPBERRY. (R. odoratus.) 

 b Leaves compound ; flowers usually white 2 



2 a Stems more or less erect 3 



b Stems creeping, prostrate 8 



3 a Branches glaucous; berry purple-black when ripe, hemi- 



spheric BLACK RASPBERRY. (R. occidentals.) 



b Branches not glaucous 4 



4 a Young branches covered with glandular hairs or 



bristles; berry red when ripe, hemispheric 



RED RASPBERRY. (R. strlgbsus.) 

 b Shrubs not completely as in a 5 



5 a Shrub 1-3 ft. high ; inflorescence i-5-flowered 



SAND BLACKBERRY. (R. cuneifblius.) 

 b Shrubs 2-10 ft. high; inflorescence several-flowered 6 



6 a Young branches with few or no glandular hairs 



LEAFY-BRACTED BLACKBERRY. (R. frondbsus.) 

 b Young branches with numerous glandular hairs 7 



7 a Berry oval to nearly globose, %-% in. long; leaflets 



rather ovate. . HIGH-BUSH BLACKBERRY. (R. nigrobdccus.) 

 b Berry oblong or thimble-shaped, %-i in. or more long; 

 leaflets rather ovate-lanceolate 



COMMON BLACKBERRY. (R. allegheniensis.) 



8 a Leaves thick, obovate, usually shining above ; flowers 



%-% in. broad SWAMP BLACKBERRY. (R. hispidus.) 



b Leaves not shining above, ovate to obovate; flowers 



about i in. broad 9 



9 a Stalks 3-is-flowered DEWBERRY. (R. procumbent.) 



b Stalks i-2-flowered 



ONE-FLOWERED DEWBERRY. (R. subuniflbrus.) 

 9 DALIBARDA D ALIBARDA. (D. repens.) 



10 DRYMOCALLIS GLANDULAR CINQUEFOIL. (D. arguta.) 



11 DASfPHORA SHRUBBY CINQUEFOIL. (D. fruticbsa.) 



12 FRAGARIA. 



i a Cultivated species ; flowers about i in. broad 



GARDEN STRAWBERRY. (F. chiloensis.*) 

 b Wild species ; flowers %-% in. broad 2 



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