ROSE FAMILY 435 



1. C. montanus Raf. Shrub 1-2 m. (rarely 3 m.) high; leaf -blades 2-5 cm. 

 long, coarsely serrate, with ovate teeth, pale and finely tomentose beneath; tube 

 of the hypanthium about 1 cm. long, pilose; Umb campanulate or somewhat 

 turbinate, together with the sepals 6-7 mm. wide. C. parvifolius Nutt. Hills 

 and mountain sides: S.D. — w Kans. — N.M. — Utah — Mont. Plain — Mont. 

 My-Jl. 



2. C. flabellifolius Rydb. Low shrub, with gray smooth flaky bark; leaf- 

 blades 1-2 cm. long and nearly as broad, coarsely dentate above the middle, pale 

 beneath; tube of the hypanthium silky-strigose; hmb campanulate, puberulent 

 within, together with the sepals o mm. wide. Hills and canons: Utah — N.M. 



3. C. argenteus Rydb. Shrub 2-3 m. high, with gray bark; leaf -blades 

 oblanceolate or obovate, 2-4 cm. long, obtuse or rarelj' rounded at the apex, 

 crenate above and at the middle, silvery-white beneath; teeth rounded-ovate, 

 obtuse; tube of the hypanthium 8-10 mm. long, silky; hmb silky without, turbin- 

 ate, together with the sepaLs 6-7 mm. wide. Hills: Colo. — Tex. — N.M. So7i. — 

 Submont. Je-Jl. 



4. C. ledifolius Nutt. Aromatic tree, sometimes 12 m. high, with red-brown, 

 furrowed bark; leaf-blades narrowl}- lanceolate, lance-elliptic, or oblanceolate, 

 entire, with revolute margins, villous-puberulent when young, glabrate in age 

 above, pale or rufous, and tomentulose beneath, 1-3 cm. long, 5-10 cm. broad, 

 persistent; tube of the hypanthimn 5-7 mm. long, white- villous-tomentose; limb 

 turbinate, together with the ovate sepals 5-6 mm. wide. Hills: IMont. — Colo. 

 • — s Calif. — W.ash. Submont. — Mont. Mj'-Jl. 



5. C. hypoleucus R^^db. Shrub or small tree, 1-5 m. high, with ashy bark; 

 leaf -blades linear-lanceolate or linear-elliptic, acute at both ends, 1-2 cm. long, 

 3—4 mm. wide, green above, at first villous, in age glabrate, densely white- villous- 

 tomentose beneath; tube of the hj-panthiimi 4-5 mm., in fruit 5-6 mm. long, 

 white- villous; limb turbinate, together with the sepals 4 mm. broad. Hills; 

 Mont. — Wyo. — Ore. Son. — Submont. Je-Jl. 



6. C. arizonicus M. E. Jones. Intricately branched, spinose shrub, with 

 ashy bark; young branches white villous-tomentose; leaves linear, 5-15 mm. 

 long, strongly revolute, villous-canescent on both sides, glabrate above, entire, 

 acute at both ends; flowers sohtary; tube of the hypanthium in fruit 6 mm. long, 

 short-villous; achenes 6 mm. long. Canons: c Utah — Ariz. — Nev. 



C. arizonicus X ledifolius. Most resembling C. arizonicus in habit, but the leaves 

 broader and less revolute. 1-1.5 cm. long and 2-3 mm. wide. Utah. 



7. C. intricatus S. Wats. Intricately branched shrub, with fissured ashy 

 bark, more or less spinescent; young branches strigose, soon glabrous; leaf- 

 blades hnear, entire, strongly revolute on the margins; tube of the hypanthium 

 strigose, 4 mm. long, in fruit 6 mm. long; limb tm-binate, together with the 

 sepals 3 mm. wide; achenes about 7 mm. long, hirsute. Canons and hills: Utah 

 — Nev. — Ariz. 



33. RUBACER Rydb. Flowering Raspberry, Thimbleberry, 



Salmon Berry. 



Unarmed shrubs, with more or less shreddy bark, more or less glandular- 

 hispid above. Leaves petioled, simple, digitately ribbed and lobed, with acute 

 or acimiinate lobes and cordate at the base, resembhng the leaves of certain 

 maples. Flowers showy, in small panicles. Sepals 5, ovate, with long slender 

 acuminations. Petals 5, pink or white. Stamens numerous, in several series; 

 filaments slender. Pistils numerous; styles glabrous, club-shaped; stigmas 

 slightly 2-lobed. Drupelets numerous, coherent with each other and separating 

 from the flat receptacle, capped with a dry, rather hard, finely and densely pubes- 

 cent cushion, the style inserted under its margin. 



1. R. parviflorum (Nutt.) Rydb. Stem erect, shrubby, 5-20 dm. high, 

 with flaky bark; leaf-blades reniform in outhne, 5-20 cm. broad, 3-5-lobed, the 

 lobes triangular; sepals broadly ovate, abruptly caudate-acuminate, about 1.5 

 cm. long, densely glandular on the back; petals white, broadly oval, or ovate, 



