NO. 8] Rose ( Rosacecz). 6 9 



(a) Flowers, yellow. Leaflets, three (apparently five, by 

 the parting of the side leaflets). Fruit, a dry head 

 of achenes. (3) Potentilla (Cinquefoil). 



(a) Flowers, rose, changing- to white. Leaflets, three to 

 five. Fruit, globular, enclosing bony achenes. (4) 

 Rosa (Rose). 



(i) Genus RUBUS, Tourn. (Raspberry. Blackberry.) 



From a word meaning " red." 



Flowers, white. Petals, five distinct, soon falling. Sepals, 

 five, partly united, spreading. Stamens, numerous, 

 on the edge of the disk. Seed-cases, many, each with 

 two young seeds, only one of which ripens, crowded 

 on a lengthened fleshy receptacle. 



Leaves, compound. Stems, armed with prickles, except in 

 Dwarf Raspberry (R. triflorus, Rich). 



Fruit, a pulpy, edible "berry," so called, formed by the 

 ripened seed-cases ; really, a mass of small drupes. 



Leaf resembling Fig. 37. Dwarf Raspberry. R. triflorus, Rich. 



Flowers, white, one to three on a slender stem. Petals, 

 small, erect, slightly longer than the sepals. Petals 

 and sepals often six or seven. 



Leaflets, three or five, one to two inches long, double- 

 toothed, thin and nearly smooth. 



Stem, slightly woody or herbaceous, with herbaceous 

 branches, short (six to twelve inches), without 

 prickles, ascending or trailing. 



Fruit, rather sour, dark red, of a few disconnected grains, 

 which, when ripe, separate from the receptacle. 



Found, from New Jersey northward and westward, in moist 

 woods. 



