ROSACEA. 203 



outer calyx consisting of five bracts. Styles terminal, very much 

 elongated after floivering, each hooked (bent or twisted) at about 

 one-third of its length from the point, the terminal joint falling 

 off (caducous). Carpels dry, hairy, in a globular head, and ar- 

 ranged on a cylindrical receptacle. 



G. urbanum, L. Herb Bennett, or Common Avens. — e.b. 

 1400. L.c. 321. A. 17. C. 75. Lat. 50-58°. Alt. 0-150 yds. 

 Tern. 52-47°. 



Root short, truncate. Stems branched, rarely simple, erect or 

 nearly so, round, hairy and leafy. Leaves petiolate, with ternate, 

 ■pointed, terminal lobes. Calyx green, reflexed some time after 

 flowering. Petals obovate, rounded at the apex. Carpels sessile 

 at the bottom of the calyx ; upper joint of the style nearly gla- 

 brous. 



Hedges, woods, and moist shady places. Per. ; June, July. 



G. intermedium, Ehrh. Intermediate Geum. — l.c 321 b. Fl. 

 Dan. p. 1874. Area and range undetermined ? 



Root elongate. Stems branching, rarely simple? Flowers 

 drooping. Sepals reddish, horizontal after flowering, not re- 

 flected as in G. urbanum. Petals abruptly contracted into a short 

 claw. Carpels sessile at the bottom of the calyx. — By this cha- 

 racter, viz. the absence of the carpophore (fruitstalk), and by the 

 spreading, not erect, sepals, it is distinguished from G. rivale. 



Woods and moist shady places. Perennial; May- August. 



G. rivale, L. Water Avens. — e.b. lOG. l.c. 322. A. 18. 

 C. 70. Lat. 50-60°. Alt. 0-950 yds. Tem. 50-37°. 



Root rhizomatous, elongated. Stems erect, branching, 12-18 

 inches high, hairy, leafy. Flowers pendulous. Calyx reddish, 

 very hairy, erect after flowering. Petals broad cuneate, with 

 long claws. Carpels on a round stipiiate head (on a stalk rising 

 from the base of the calyx) ; upper joint of the style furnished 

 with long spreading hairs. 



In moist grassy places, woods, river-banks, etc. Perennial; 

 May- July. 



Unfrequent in the south and middle of England. 



TiilBE III. ROSEjE. — Carpels numerous, one-seeded, dry, not open- 

 ing, enclosed in tLe calyx-tube, whicli enlarges after flowering, and 

 is fleshy when ripe ; stamens indefinite. 



Rosa, Linri. Rose. — Shrubs often with creeping roots. Stems 



