Rosaceae. 55 



RO'SA ARVEN'SIS (70). Trailing Rose. 6—7. Shoots long trailing, 

 (516) prickles stout hooked, styles united in a column. Hedges and thickets. 



RO'SA VILLO'SA (106). Villous Rose. 6—7. Prickles uniform nearly 

 (509, straight, calyx -segments persistent slightly pinnate, fruit scarlet. 

 510) Hedges and thickets. 



Ro'sa inodo'ra (9). Slightly-scented Briar. 6—7. Prickles uniform 

 (513^') hooked, leaves downy, fruit elliptical. [G. {Cave- JJa^- Wood.) 



RO'SA MICRAN'THA (54). Small flowered Briar. 6—7. Prickles 

 (512) uniform hooked, leaves downy, fruit ovate. Hedges. 



Y.—DRYAS. 

 Dry'as octopet'ala (16). Mountain Avens. 6 — 7. Sepals 8 — 10 equal, 



(477) petals 8, achenes with a long feathery awn not jointed, leaves petio- 

 late ovate crenate white and downy beneath. 



[G. {Arncliffe Clouder.) 



Vl.—SPIR^A. 



Calyx inferior persistent 5 -cleft, stamens numerous, follicles 3 — 12 few- 

 seeded. 



SPIR^'A ULMA'RIA (112). Meadow-sweet 6—8. Leaves pinnate 



(414) downy beneath, terminal leaflets large lobed, flowers numerous white 

 fragrant in a compound cyme. Meadows. 



SPIRiE'A FILIPEN'DULA(6i). Dropwort. 6—7. Leaves pinnate, 



(415) leaflets uniform serrate, flowers yellowish in a cyme. 



VIL — 6^^^i^. 



Calyx lo-cleft, alternate segments small, petals 5, stamens many, achenes 

 with long hooked and jointed awns. 



GE'UM URBA'NUM (104). Woo 1 Avens. 6—8. Flowers erect yellow, 



(478) upper joint of awn short, leaves pinnate. Hedges. 



GE'UM RIVA'LE (90). Water Avens. 5—7. Flowers drooping dull 



(480) orange, calyx purple, upper joint of awn as long as the hairy lower joint. 



Marshy places. 



Ge'um interme'dium (46). A hybrid. [i\I. St. 



(479) 



Y\l\.—FRAGARIA. 



FRAGA'RIA VES'CA (III). Wild Strawberry. 5—7. Calyx lo-cleft, 



(481) alternate segments smaller, petals 5, stamens many, achenes numerous 

 minute on a convex fleshy receptacle, calyx of fruit reflexed, hairs of 

 peduncle spreading, of pedicel adpressed silky, leaves lernate. Woods. 



