ORDER XLIV. ROSACEA. 301 



<vith trifoliate leaves. Flowers axillary and terminal, on elon- 

 gated peduncles. 



1. G. trifolia'ta, (Mcench.) Leaves ternate; leaflets lanceolate, acu- 

 minate, senate ; stipules entire, linear. Flowers in loose panicles, large. 

 Petals long. Seeds exceedingly bitter. — White. If. June — August. 

 Upper dist. Car. and Geo. 2 — 3 feet. Indian Physic. 



2. G. stipula'cea, (Nutt.) An herbaceous plant, with ternate leaves; 

 leaflets lanceolate- serrate ; stipules ovate, foliaceous, large, incised. 

 Flowers in loose panicles. Carpels 5. — White. 2£. June — July. 

 Mountains. 2 — 3 feet. 



Genus VII— GE'UM. L. 11—12. 

 (From the Greek geuo, to give a relish.) 



Calyx 5-toothed, campanulate, with the orifice contracted. 

 Petals 5, inserted into the calyx, cuneate, lanceolate, very long 

 Stamens numerous, unequal. Carpels numerous; styles fili- 

 form ; stigmas subcapitate. Seeds ascending, 2 — 4. Peren- 

 nial herbs, with trifoliate leaves. Flowers axillary and terminal, 

 on elongated peduncles. 



1. G. Virginia'num, (L.) Stem pubescent or nearly glabrous. Rad- 

 ical leaves ternate or pinnate, with minute lateral leaflets, on long pet- 

 ioles ; cauline ones simple or variously divided or lobed, toothed or 

 serrate, pubescent or nearly glabrous; stipules ovate, entire, or toothed. 

 Flowers on erect or diverging peduncles. Calyx rather longer than the 

 petals. Petals cuneate-obovate. Carpels somewhat hispid, with hooked 

 awns. — White. If. July — Aug. Along streams. 1 — 3 feet. 



White Avens. 



Genus VIII.— WALDSTEI'NIA. Willd. 11—12. (Syn. Dalibarda.) 

 (From Waldstein, a German botanist.) 



Calyx 5-cleft, tubular, sometimes with 5 bracteoles at the 

 base. Petals 5, sessile. Stamens numerous, inserted into the 

 calyx. Filaments filiform, persistent. Styles long, caducous. 

 Carpels 2 — 6, dry or fleshy, pubescent. Perennial herbs, with 

 a creeping rhizoma. Flowers always yellow. 



1. W. fragarioi'des, (Tratt.) Rhizoma thick ; stem hairy. Leaves 

 trifoliate; leaflets cuneiform, and generally petiolate and incised. Flow- 

 ers numerous, on an erect scape. Calyx obconic, the segments shorter 

 than the petals. Petals obovate. Carpels 4 — 6, minutely hairy. — 

 Yellow. 2£. May — June. Mountains. 4 — 8 inches. Barren Strawberry. 



2. W. loba'ta, (T. & G.) Stem hirsute. Leaves generally 3 — 5- 

 lobed, hirsute on the veins, pubescent beneath, somewhat cordate, 

 nearly orbicular, incised. Flowers 4 — 8, on filiform scapes, bracteate. 

 Calyx with a narrow tube ; segments longer than the petals. Petals 

 oval Carpels generally 2, canescent. — Western Geo. 



