Pubescence glandular. 



Racemes nearly naked, about 

 twenty flowered, the lower 

 flowers opening first. 



Petals lance-ovate with wide 

 intervals when expanded . 



CLASS XII. ORDER V. 213 



R. villosus. R. frondosus. 



Pubescence simple. 

 Racemes leafy, about ten flow- 

 ered, the terminal flowers 

 opening first. 

 Petals orbicular-ovate, much 

 larger, and nearly in contact 

 with each other when ex- 

 panded. 



Besides the above marks, R. frondosus is smoother, leaves 

 more flat, and the terminal leafet on a longer stalk. — Road sides 

 in Roxbury. — May, June. 



First observed by my pupil, Mr. H. Little. 



RuBus TRiviALis. Midi. Loto or running BlacTcben-y . 



Dewberry. 



Stems procumbent ; leafets three or five, oval, ser- 

 rate, nearly smooth ; flower stalks mostly solitary. 

 Syn. RuBUs frocumbens. MuM. 



Stems prickly, slender, flexible, running several yards upon 

 the ground, but seldom putting out roots, unless accidentally 

 covered. Leaves nearly smooth, green on both sides. Pedun- 

 cles long, slender, mostly undivided, furnished with minute 

 prickles. Flowers solitary, while Fruit large, black, sweet. — 

 Common in barren sandy soils. — May. 

 * RuBus SEMPERVIREN3. Evergreen Raspberry, 



Rubus sarmentoso-prociivibens ; cavle aculeolato ; 

 folds ternatis, folioUs obovatis, serratis, nitidis, sem- 

 pcrvirentibiis. 



Stem procumbent, covered with minute prickles, 

 leaves ternate, obovate, serrate, shining, evergreen. 

 Syn. Rubus obovatus. Hooker. 



A small, trailing species, found in damp woods and swamps. 

 Stem woody, smooth, commonly covered with minute reflexed 

 prickles, as are also the petioles. Stipules lanceolate. Leaves 

 of the size of the strawberry, of a dark shining green, tapering 

 and retuse at base, unequally serrate. They last through the 



