Order 47.— ROSE WORTS. 207 



Raspberries. 



1 R. odora'tus. Rose Floivering. Petals round, purple. Stalks hairy-clammy. 



2 R. Nutka'nus. White- floicering. Petals broad-oval, white. Fls. several. I^l.-W. 

 •3 R. Chamaemo'rus. Cloud-herry . Petals obovate, white. Flower only one. Mts. 



4 Petals as long or longer than the calyx 5, 6 



4 R. IdsBus. Garden Raspberry. Petals shorter than the calyx. 



5 R. strigo''sus. Wild Red Raspberry. Corolla cup-shaped, single. 



6 R. rossefo'lius. Bridal Rose. Corolhi spreading, double. Cultivated. 



7 Stems prickly, shrubby, biennial. Fruit of many grains 11 



7 R. triflo'rus. Stems entirely unarmed, green, Fruit of few grains. 



8 R. occidenta''lis. Thimble-berry. PI. glaucous. Petals shorter than sepals. Fr. darK. 



8 Plants not glaucous. Petals much longer than the sepals 9, 10 



Blackberries. 



9 R. villo'sus. Jligk Blackberry. Flowers in racemes. Leaflets ovate. 



10 R. cuneifo'Uus. Sand Bl. Fls. 1-3 together. Lfts. wedge-obovate. M. S. 

 11 Prickles many. Flower-stalks without leaves or bracts 12, 13 



11 R. Canaden'sis. Dewberry. Prickles few. Flower-stalks with leafy bracts. 



12 R. his'pidus. Hispid^ Running Bl. Flowers small, with spreading sepals. 



13 R. trivia'lis. Low Bvsh Bl. Flowers large, with refiexed sepals. S. 



8. DALIBAR'DA. False Violet. 



Calyx deeply 5 or 6-parted, 3 of the segments larger. Petals 5. Sta- 

 mens many. Styles 5-8, long, deciduous. Fruit 5-8 dryish, drnpe-like 

 achenia. — U Low herbs with creeping stems, simple leaves and 1-2 white 

 flowers on each stalk. North. 



D. re''pens. Creeping F. Found in damp woods. Creeping stems a few inches to a 

 foot in length. Leaves roundish-cordate, crenate. Stipules very narrow-linear. 

 Petioles 1-3' long. Scapes 1-flowered, about as long as the petioles. June. 



9. WALDSTEI'NIA. Dry Strawberry. 



Calyx 5-cleft, with 5 alternate, sometimes minute and deciduous bract- 

 lets. Petals 5 or more, sessile. Stamens many. Styles 2-6. Achenia 

 few, dry, on a dry receptacle. — % Acaulescent herbs with lobed or divid- 

 ed radical leaves and yellow flowers on scapes. 



77. f/ag.-irio/des. A pretty plant, in hilly woods, bearing some resemblance to the 

 strawberry. Root-stock thick, scaly, blackish. Leaves trifoliate, on petioles 

 8-6' long ; leaflets broad-wedge-shaped, cut-toothed, of a shining green above. 

 Scapes about as high as the leaves, bearing 2-6 flowers, which are y across. 

 June. 



W. loba'ta. Lobed D. Along rivers, &c. Leaves simple, rouudisL-cordate, geucj 

 ally 8-5-lobed, &c. April^ June. S. 



