784 ROSACEZ. RUBUS. 
HOLODISCUS. 
acute, smooth and shining above, sparingly pubescent beneath, 1-2 inches 
long or more, persistent, the veins beneath and the petioles armed with 
recurved prickles; stipules a pair of ovate acuminate lacerate-serrate leaf- 
lets, contracted at base, situated on the petiole a line or more from the 
base: peduncles short, one to few-flowered; flowers perfect; sepals nearly 
distinct, broadly lanceolate, acuminate, 3-4 lines long, ciliate and more or 
less pubescent: petals narrowly lanceolate, acuminate, longer than the 
sepals ; carpels few, pubescent, those that mature becoming large red juicy 
drupelets; achenes flattish, a line long, conspicuously pitted. In forests, 
Washington to Northern Crlifornia and Idaho. 
R. ursinus Cham. & Schlecht. Linnea ii, 11. Stems slender, trail- 
ing, 5-20 feet long, armed with straight rather slender prickles, somewhat 
glaucous: leaves deciduous, 3-foliolate, rarely 5-foliolate, often simple and 
3-lobed on the flowering branches; leaflets ovate to oblong coarsely and 
doubly serrate, more or less pubescent or tomentose, veins, petioles, pe- 
duncles and calyx more or less armed with prickles; stipules oblanceolate 
to linear, often long and toothed: flowers dicecious, in small cymes termi- 
nating the numerous lateral branchlets or leafy peduncles; calyx-lobes 
ovate-lanceolate. acuminate or often foliaceously tipped, densely tomen- 
tose inside, glandular outside; petals of the staminate flowers lanceolate 
to obovate, unguiculate, 6-8 lines long, much exceeding the calyx; of the 
pistilate smaller, but little if at all exceeding the calyx; carpels numerous, 
glabrous: fruit oblong to ovoid, black, pleasaut flavored: avhenes 
small, flattish, reticulated. Common in wooded districts, Alaska to Cali- 
fornia. 
Tribe 5. Spire Juss. Calyx campanulate, imbricate, or 
sometimes valvate in the bud: carpels 1-8, mostly 5, verticillate, 
follicular or 2-valved in fruit: style terminal: seeds 1-8 or 10% 
each carpel, pendulous or ascending. 
15 HOLODISCUS Maxim. Act. Hort. Petrop. vi. 
Shrubs with alternate simple leaves without, stipules and nu- 
merous ‘flowers in loose panicles that terminate the short branch- 
lets. Flowers perfect, disk wholly coherent. Calyx deeply 5- 
cleft, persistent. Stamens numerous, perigynous. Carpels 5, op- 
posite the calyx-lobes, distinct, shortly stipitate, with two pendu- 
lous ovules, becoming woolly achenes. Stigma capitate, 2-lobed. 
H. discolor Maxim Adn. Spir. 150. Spirwa discolor Pursh. A diffuse 
shrub 2-6 feet high with grayish-brown bark and short rigid pubescent 
branches: leaves ovate, obtuse or acutish, cuneately narrowed at base to 
a winged petiole, pinnately lobed or toothed above the middle, 6-18 lines 
long, more or less silky-pubescent beneath, nearly smooth above: panicle 
small, 1-4 inches long; more or less tomentose; calyx-lobes oblong, acute 
or acutish; petals obovate, obtuse, barely a line long, exceeding the calyx, 
white, changing to tawny-whitein age: achenes densely tomentose with 
tong white hairs. Common on bluffs and rocky banks, Brit. Columbia to 
California and the Rocky Mountains, east of the Cascade range. 
H. ariexfolia. Spirza arizfolia Smith. A rather large shrub 4-16 feet 
a} 
nwoS> high, with slender spreading or recurved striate branches: leaves ovate, 
. ., often abruptly contracted below to a short more or less margined petiole, 
wer TS" 44 inches long, pinnately lobed, the mostly obtuse lobes often mary: 
| toothed, finely tomentose beneath, smooth above: panicles large and diif- 
fuse, 4-8 inches long, tomentose, white, changing to tawny; petals oblong, 
a line long, exceeding the ovate acute calyx-lobes; carpels pubescent with » 
long white hairs. Common in forests, Puget Sound to California, west of 
the Cascade Mountains. 
