182 ROSACEA. RUBUS. 
I. alpicola Rydberg 1. c. Viscid-pubescent: throughout: stems 3-8 
inches high, several from a thick resinous caudex, exceeding the leaves; 
leaflets 21-41, 2-3-lines long, 3-5-parted into cuneate-oblong or linear-ob- 
long, obtuse, entire lobes the single cauline leaf similar, with ovate-lance- 
olate, entire stipules: cyme capitate, many-flowered; calyx somewhat 
scarious, campanulate, 2 lines long; bractlets linear, obtuse, 24 as long as 
the lanceolate acute calyx-lobes; petals oblong to spatulate, shorter than 
the calyx; stamens 5; carpels 1-3; receptacle densely long-wooly. On 
Mount Adams Washington at 5000-6000 feet elevation. 
Tribe 4. Rubew B. & H. Gen. i, 616. Calyx flattish, 5- 
parted, mosily imbricate in the bud: stamens numerous; curpels 
numerous, or rarely few, drupaceous, crowded on the conical recep- 
tacle: ovules 2 colateral: style terminal or nearly so: seed sus- 
pended: radical superior. 
14 RUBUS Tourn. L. Gen. n. 632. 
Shrubs or somewhat woody, erect or trailing often prickly 
plants or herbs with simple or pinnately 3-7-foliolate leaves, ad- 
nate stipules and white or purple flowersin panicles or corymbs 
or solitary. Calyx 5-lobed, persistent, without bractlets, tube 
short and open. Petals 4, conspicuous, deciduous. Stamens 
numerous, inserted into the border of the disk which lines the 
bottom of the calyx-tube. Ovaries numerous, rarely few, with 
colateral suspended ovules, becoming globose 1-seeded drupelets : 
style nearly terminal, deciduous 
§ 1. Carpels forming a somewhat hemispherical fruit, con- 
cave beneath and falling away from the drv receptacle together 
when ripe sometimes few in number and falling away separately. 
* Leaves simple, palmately lobed: shrubs without prickles. 
R. parviflorus Nutt. Gen. i, 308. R. Nutkanus Moc. Stems shrubby, 
erect, 3-8feet high; bark green and smooth or more or less glandular- 
pubescent, becoming brown and shreddy: leaves round-cordate in outline, 
palmately 3-5-lobed, the lobes acuminate, unequally serrate, 4-12 inches: 
long, tomentose on oneor both sides, the veins beneathnd the petioles and 
peduncles usually hispid with gland-tipped hairs; petioles stout, often 
with a small leaflet near the summit; stipules linear, acuminate, the upper 
half free, ciliate: peduncles terminal, few-flowered calyx-lobes oblong- 
ovate, 4-6 lines long with linear appendages nearly as long, more or less 
tomentose; petals broadly ovate to elliptical, 6-10 lines long: carpels very 
numerous, tomentose; fruit red, large, hemispherical, sweet and pleasant- 
flavored. Common in forests and wooded districts, Alaska to California 
and East to Lake Superior. 
* * Leaves trifoliolate, sometimes simple on the flowering branches, 
rarely 5-foliolate: stems more or less prickly. 
R. spectabilis Pursh. Fl. 348 t. 16. Stems perennial, shrubby and 
branching, 6-12 feet high, with yellowish shreddy bark, copiously armed 
when young with straight stout prickles: leaves usually trifoliolate; leaf- 
lets ovate, acute or acuminate, doubly incised-serrate. often 2-3-lobed, 
the veins beneath and the petioles sparingly villous-pubescent and prickly ; 
flowers mostly solitary, large and showy; calyx-lobes pubescent, broadly 
ovate, acuminate, 4-5 lines long; petals red, ovate to elliptical, acute, 6-8 
lines long: fruit large, ovoid, red or yellow, the drupelets smooth and 
tipped with the slender subpersistent style: achenes deeply pitted. Com-. 
mon along streams and moist places, Alaska to California. 
