ROSACEAE (ILOSE FAMILY) 487 



N. Mex., and Ariz. Forma Ilbus (Fuller) Fernald has white or amber-colored 

 fruit. 



Var. an6malus Arrhenius. Dwarf (1-8 dm, higli)» scarcely or not at all 

 armed ; leaves simple, broadly ovate and shallowly 3-lobed, or 3-foliolate with 

 rounded ovate obtuse leaflets; calyx somewhat hispid. — Limestone ledges, 

 Cavendish, Vi. {Eggleston); and (?) woods, Clarke, Ind. (Umbach), the latter 

 recently described as Batidaea heterodoxa Greene. 



X? R. neglectus Peck. Habit and glaucous canes of no. 3. the stems and 

 branches often rooting at the tip, but with slender straightish prickles of the pre- 

 ceding species; calyx somewhat setose; fritit purplisli-red. — Rocky woods, 

 gravelly banks, etc., N. E. to Ont., Pa., and O. — Probably a self-perpetuating 

 hybrid between B. occidentalis and R. idaeus, var. aculeatissimus. 



2. R. PHOENicoLASius Maxim. (Wineberry.) Leaflets 8, broadly ovate, 

 obtusish ; inflorescence crowded and loith the petioles, branches, and even the 

 main stems covered with long soft denselj' crowded reddish or piwple gland- 

 tipped hairs; prickles scattered, slender; fruit broadly ovoid, cherry-red. — 

 Sometimes cultivated, and now established at Fairfield, Ct. {Fames) ; Paines- 

 ville, (). (Harker), etc. (Introd. from Japan.) 



3. R. occidentalis L. (Black R., Thimbleberry.) Glaucous all over; 

 stems recurved, rooting at tips, armed like the stalks, etc.. tcith hooked prickles^ 

 not bristly ; leaflets 3 (rarely 5), ovate, pointed, coarsely double-serrate, whit- 

 ened-downy nnderneatli, the lateral ones somewhat stalked ; petals shorter than 

 the sei^?ds; fruit purple-black, ripe early in July. — Copses, fence rows, etc., 

 N. B. and s. w. Que., southw. and westw. Forma pallidus (Bailey) Robinson 

 has yellow or amber fruit. 



§2. ANAPLOBATUS Focke. Unarmed shrubs; leaves simple. S-5-lobed or 

 angled; floii-ers large and. showy; fruit large, hemispherical, red. Ru- 

 BACER Rydb. 



4. R. odoratus L. (Purple P^lowerixg R.) Shrubby, 1-1.6 m. high; 

 branches, stalks, and calyx bristly with glandular-clammy hairs ; leaves 3-5- 

 lobed, the lobes pointed and minutely toothed, the middle one prolonged ; 

 peduncles many-flowered ; flowers showy {'^,-Q cm. broad) ; calyx-lobes tipped 

 with a long narrow appendage ; petals rounded, purple rose-color ; fruit scarcely 

 edible. — N. S. to Ga., w. to Mich. Var. columbiaxus Millspaugh has been dis- 

 tinguished by the narrower more lanceolate doubly sen-ate lobes of the leaves, 

 smaller flowers (2-3 cm. in diameter) and musky fruit. {B. columbianus 

 Rydb.) — W. Va. 



5. R. parviflbrus Nutt. (Salmon Berry.) Glandular, scarcely bristly ; 

 leaves almost equally 5-lobed. coarsely toothed ; peduncles few-flowered : petals 

 oval, white. (B. nutkanus Mocino.) — Rocky woods, shores, etc., w. Ont., n. 

 Mich., Minn., and westw. 



§3. CHAMEMORUS (Ehrh ) Focke. Unarmed creeping herbs, with ttpright 

 branches, few orbicular simple leaves, and solitary terminal monoecious or 

 dioecious flowers; fruit amber-colored, becoming ye/low and separating 

 from the dryish receptacle. 



6. R. Chamaemorus L. (Cloldberry, Baked-apple Berry.) Low (1-3 

 dm. hiuh ) ; branches simple. '2S-leaved; leaves roundish-kidney-form, sonie- 

 what o-lobed, serrate, wrinkled ; calyx-lobes pointless ; petals obovate, white ; 

 fruit about 2 cm. in diameter, very juicy when ripe. — In spliagnous bogs, Arctic 

 Am., southw. in the coastal region to e. Me.; also on mountain tops, w. Me. and 

 n. N. H. (Eurasia.) 



§4. CYLACTIS (Raf.) Focke. Low, essentially herbaceous (soft-woody at 

 base); leaves S(-b)-foliolate ; fruit red, not separating easily from the 

 receptacle. 



7. R. triflbrus Richards. (Dwarf R.) Stems ascending, 1-4 dm. high, or 

 trailing and more elongated ; leaves 3(or pedately 5)-foliolate ; leaflets rhombic- 

 ovate or ovate-lanceolate, acute at both ends, coarsely and doubly serrate, thin, 



