206 THE FLORA. 



16 R. damasce'na. Damask It. Monthly R. Sepals reflexed in flower. Flowers 



very double, t 



17 R. alba. White R. Sepals pinnatifld, spreading. Fls. corynibed, large, t 

 IS R. naoscha'ta. MusJc R. Leaflets lanceolate, pointed. Fls. panicled, large, white, f 



19 R. In'dica. Chinese Monthly. Bengal R. T*a Rose, <&c. Lfts. ovate, pointed, t 

 90 R Alpi'na. BourmuU, R. Lfts. 5-11, obovate, sharp-serrate. Stipules narrow, f 



21 R. eglante'ria. Yellow Rose. Lfts. broad-oval. Petals obcordate, fugacious. \ 



22 R. Gal'lica. French R. Leaflets elliptical. Petals large, spreading, t 

 28 R. Pimpinellifo'lia. Jlurnet R. Lfts. small, roundish. Flowers small. \ 



6. GE'UM. Avens. 



Calyx 5-cleft, usually with 5 alternate bractlets outsi'de. Petals 6. 

 Stamens many, collected on a dry receptacle, and bearing the long, per 

 sistent style. U Leaves pinnate or lyrate. 



Style bent and jointed near the middle.. . .a 



Style straight and not jointed, wholly persistent. Rare plants.... 6, 7 



a Head of fruits quite sessile, with the styles finally hooked b, 1 



a Head of fruits stalked in the calyx more or less. . . .4, 5 



b Petals yellow, longer than the calyx. . . .2, 3 



1 G. Virginia'num. Petals white, as long as the calyx. Receptacle hairy. 

 2 G. macropbyl'lnm. Mountain A. Lvs. ending with a very large roundish leaflet. 

 8 G. stric'tum. Fellow A. The end leaflet but little larger than the rest. Height 8-5f 



4 G. vernum. Head-stalk A. Petals yellow, small. Stalk as long as head. W. 



5 G. riva'le. Water A. Whole flower dark purple, large, nodding. 



6 G. triflo'rum. Bractlets longer than the calyx or purplish, petals. Fls. 8. W. 



7 G. Peck'ii. Peck's A. Bractlets minute. Pet. yellow. Stem almost leafless. Mts. 



7. RU'BUS. Bramble. Blackberries and Raspberries. 



Calyx 5-parted, without bractlets. Petals 5, deciduous. Stamens oo . 

 Ovaries many, becoming many pulpy, drupe-like achenia (grains) united 

 into a compound fruit. Half-shrubby plants with y roots arid stems, 

 armed with prickles. Flowers mostly white. In the Blackberries the 

 pulpy receptacle constitutes a part of the fruit, but in the .Raspberries it 

 does not. 



* Leaves simple, 8-5-lobed. Flowers large.... 1-3 



* Leaves compound, of 3-7 leaflets a 



a Steins stout, \ipright, often recurved at top b 



t Stems weak, trailing or prostrate. . . .7 



b The side leaflets stalked. Prickles strong, recurved .... S 

 b The side leaflets sessile. Prickles weak, nearly straight .... 4 



