RuBus. ROSACEif:. 451 



pruinose, puberulent ; peduncles, calyx, and veins of the leaves ariile- 

 ate with siniijjht weak and somewhat rellexed i)rickles ; leaves ;3-lol)cd, 

 unequally senate, nearly glabrous ; lobes acute, the lateral ones diverging, 

 the middle one longest; stijjules setaceous, hairy ; Uowers termiiud, on some- 

 what corymbose branches ; sepals lanceolate, the apex produced into a very 

 long linear or dilated and somewliat foliaceous acuminution, longer than tlie 

 obovate })etals. Cham, c^ Schleclit. in LintKea, 2. i'- 1^- 



St. Francisco, California, Chamis.so. — No otlier collector seems to have 

 found this species. It is said to be canescent when young, and the filaments 

 equal the petals in length. 



' 6. R. Cham(emorus (Linn.) : dicrcious ; stem nearly herbaceous, creeping 

 at the base, simple, 1-flowereil ; leaves cordate-reniform, somewhat j)licate 

 and rugose, 5-lobed, serrate ; the lobes short and rounded; stipules ovate, ob- 

 tuse ; sepals ovate, obtuse, shorter than the sjireading obovate (white) petals; 

 fruit red. very large. — Linn. ! Jl. Lapp. p. 163, t. 5, /'. 1, 6^- spec. 1. p. 494 ; 

 En si. hot. t. 506 ; Michx. .' Jl.l. p. 298 ; Pursh ! fi'.l. p. 349 ; DC. ! I. c. ; 

 Hook. ! I. c. 



In sphagnous swamps, throughout Arctic America, from Greenland ! to 

 Behring's Straits ! and Unalaschka! and from the shores of the Arctic Sea to 

 Newfoundland! Labrador! Lake Winipeg ! and on the Rocky Mountains 

 in lat. bi^. Also at Lubeck, Maine (about lat. 44°,) Mr. Oafces ! and on the 

 White Mountains of New Hampshire, Oafces .' .lune-July. — Flower large. 

 Fruit large, delicious, composed of few aud large carpels, ripe in 

 August. 



7. it. stellatus (Smith) : stem licrbaceous, simple, 1-flowered, leaves cor- 

 date, rugose, deeply 3-lol)ed or 3-parted, serrate ; stipules ovate, obtuse ; pe- 

 duncle short; segmeuts of the calyx linear-subulate; petals (red) oblong, 

 erect. Hook. — Smitk ! ic. ined. t. 64; Pursh! ji. 1. p. 349; Hook. ! jl. 

 Bor.-Am. 1. p. 183. R. stenopetalus, Fisch, in Choris, voy. pitt. p. 10, 

 fide Bons^nrd. 



N. W. Coast, near Foggy Harbor, Menzies ! — Resembles R. arcticus ex- 

 cept in the division of the leaves. E. Mej-er {pi. Labrad.) refers it to R. 

 Cham?Bmorus, but erroneously. 



8. a. nivalis (Dougl.) : small, frutescent ; leaves cordate, 3-lobed, sharply 

 toothed, glabrous, the petioles aud veins of the leaves anned with recurved 

 prickles ; stipules ovate, acute ; peduncles short, 2-flowered ; segments [of 

 the calyx?] lanceolate, hair^'. " Dougl. ??;5S." ex Hook. l. c. 



On the high snowy ridges of the Rocky Mountains. — Fruit red. Flowers 

 red ? Seeds few, large, and wrinkled. A low species, not more than 6 inch- 

 es high. Douglas, l. c. — Hooker has no specimen of this plant. Perhaps 

 it is a species of the succeeding section, with the leaflets confluent, which is 

 sometimes the case. 



* * Leaves {pinnately or pedaiely) 3-5-foliolate. 



+ Stems mostly herbaceous and annual (fruit usually of few grains). 



_.' 9. R. arcticus (Linn.) : stem low, herbaceous, sometimes dicrcious, un- 

 armed, somewhat pubescent ; mostly erect, 1-2-llowcred ; leaves trifbliolate ; 

 leaflets rhombic-ovate or obovate, coarsely and often doubly serrate, petiolu- 

 late ; stip,ules ovate ; sepals lanceolate, acute, often shorter than the obovate 

 entire or emarginate (reddish) petals. — Linn. ! Jl. Lapp. p. 162. t. 5, f. 2, 8f 

 spec. I. c. ; Fl. Dan. t. 488 ; Ensl. hot. t. 1685; Bot. mag. t. 132 ; Pursh ! 

 fl. I. p. 349 : DC. ! I. c. Cham . &,- Schlecht. ! I. c. ; E. Meyer, pi. Labrad. 

 p. 79; Hook. ! fl. Bar.- Am. 1. p. 182. 



