64 FAM. 87. 



shrubs with erect, trailing or climbing stems; leaves generally 

 odd-pinnate, stipules adnate; flowers solitary or in corymbs, 

 white, pink, yellow, or red; calyx 5-cleft, petals usually 5; stamens 

 numerous, inserted with the petals on the throat of the calyx; 

 pistils numerous, ---------- Rosa 



a. Styles cohering, exserted; — a climbing or reclining shrub, leaf- 

 lets 3-5; flowers showy, red, few in terminal corymbs. Borders 

 of swamps or planted. Summer, R. setigera, Prairie Rose, Climbing Rose 

 R. multiflora, Japan Rose, leaflets 5-9, is cultivated with varieties as Crim- 

 son Rambler, Seven Sisters, etc. 



a. Styles distinct, included, ---------- £ 



b. Sepals persistent; — an evergreen shrub with spreading stems 

 and branches, and recurved prickles; leaflets 5-11, stipules 

 bristle-fringed, caducous; flowers showy, white or creamy or yel- 

 low, solitary or few together with large bracts under the tomen- 

 tose calyx. Planted in hedges and escaped. Summer. 



R. bracteata, Macartney Rose 



b. Sepals deciduous, -----_-_«- c 



c. Leaves deciduous; — a bushy shrub with stout prickles; leaflets 



5-9, membranous, glaucous beneath; flowers red to white, in 

 corymbs, rarely solitary. In swampy places. Summer. 



R. Carolina, Swamp Rose 



c. Leaves evergreen; — stems climbing and trailing, with short re- 

 curved prickles; leaflets mostly 3; flowers solitary, white. Planted 

 and along roadsides. Spring. R. laevigata, Cherokee Rose 



For the numerous species and hybrids see Bailey's Cyclopedia, art. Rose. 



2. Calyx bractless; shrubs, ----------Jf 



2. Calyx with 5 bractlets; herbs; — acaulescent, often with stolons; leaves 



long-petioled, 3-foliate; flowers in terminal cymes, calyx 5-parted, 

 petals 5 white, stamens about 20 in 3 series, pistils many, fruit 

 consisting of numerous achenes imbedded in or seated on the 

 more or less elongated fleshy torus. Cultivated. Fragaria, Strawberry 



3. Pistils rarely more than 5, maturing into 2-4 seeded follicles; — flowers 



white or rose, in terminal or axillary umbels, corymbs or pan- 

 icles; calyx 4-5 cleft, petals 4-5, stamens 20-60, follicles 5. Culti- 

 vated. Early Spring. - Spiraea, Bridal Wreath 

 3. Pistils numerous, maturing into 1-2 seeded drupelets crowded on a 

 convex or conic receptacle; — shrubs with erect or trailing stems, 

 bristly or prickly; leaves lobed or compound, with stipules ad- 

 nate to the petioles; calyx 5, petals 5, stamens numerous; drupe- 

 lets smooth, ---------- Rubus 



a. Petals erect; the coherent drupelets separating from the torus, Raspberry 

 The Rubus flavus, Indian Raspberry, is sometimes planted. 



a. Petals spreading; the coherent drupelets adhering to the torus 



when ripe, ------=*-- . - ft 



b. Stem erect, ascending or recurved, ----- Blackberry 

 Leaves 3-foliate or on the shoots 5-foliate; leaflets leathery, 



densely tomentose beneath, with stout prickly petioles; flow- 

 ers few in terminal corymbs, white; fruit oblong, black. Sandy 

 soil and planted. Spring. R. cuneifolius, Sand Blackberry 



b. Stem trailing or decumbent, ------ Dewberry 



