AMELANCHIER. POMACE. 165 
PERAPHYLLUM. 
Calyx campanulate, the limb 5-parted, persistent. Petals 5. 
Stamens 20, much. shorter than the petals. Styles 3-5, coales- 
cent at base or distinct Carpels 3-5, becoming membranaceous, 
incompletely 2-celled by a partition from the back, 1-seeded. 
Wholly covered by the adnate calyx-tube. Fruit small, berry- 
like, crowned with the persistent calyx-lobes, the pulp sweet. 
Seeds small, with a thin black testa. 
A. alnifolia Nutt. Journ. Philad. Acad. vii, 22. Stem slender, 3-30 
feet high, with slender erect flexuous branches: leaves thin, elliptical to 
obovate, obtuse at each end or often cordate, serrate toward the apex, 
entire below, !-2 inches long, more or less densely tomentose beneath, 
smooth, or nearly so above: racemes many-flowered; bracts setaceous, 
long-woolly, longer than the pedicels, caducous: calyx densely tomentose, 
the triangular-lanceolate lobes closely reflexed, about as long as the 
broadly turbinate tube; petals spatulate, 6-12 lines long by 2 lines broad, 
obtuse; stamens very short: fruit globose, 3-4 lines in diameter. Com- 
mon aiong streams and*swales, Brit. Columbia to California and the 
Rocky Mountains. 
A. florida Lindl. Bot. Reg. xix, t. 1589. Stems stoutish, erect cespi- 
tose, 2-10 feet high with erect somewhat cinereous branchlets: leaves 
thickish, orbicular to elliptical or ovate. 12-14 lines long, rounded to 
acute at the apex, coarsely serrate above the middle, entire and rounded 
or cordate at base, glabrous, or sparingly tomentose on the midrib and 
veins beneath: stipules subulate, setaceously acuminate: racemes rather 
loosely several-flowered ; bracts setaceous, ciliate with long straight hairs; 
calyx somewhat tomentose, the subulate lobes longer than the tube, re- 
flexed, densely tomentose inside; petals oblong, 6-7 lines long by 2-4 lines 
broad; rounded at the summit; stamens shorter than the lobes of the 
calyx: fruit globose, 3-4 lines in diameter. In wooded districts, Wash- 
ington and Oregon east of the Cascade Mountains. 
A. pallida Greene Fl. Fr. 53. Stems clustered and bushy, 3-6 feet 
high, with an ashy bark, rigid and somewhat intricately branched: leaves 
rather thick. oblong-lanceolate to oblong or elliptical obtuse or. retuse, 
sparingly dentate towards the apex, entire and usually rounded below, 
. often entire and cuspidate, 6-10 lines long, somewhat tomentose: racemes _ 
short and somewhat corymbose, the lower pedicels elongated; calyx more 
or less tomentose, the lobes triangular, acute, erect; petals obovate or obo- 
vate-oblong, slightly concave, 3-6 lines long: stamens shorter than the 
pave: Common on dry hillsides, southern Oregon and northern Cali- 
ornia, 
5 PERAPHYLLUM Nutt. T. & G. FL. i, 474: © 
Low much branched shrubs with deciduous leaves crowded at 
the ends of the branchlets, and 2—4-flowered corymbs of white 
flowers. Calyx-tube urceolate, the limb 5-lobed. Petals 5, obo- 
vate, unguiculate. Stamens about 20, exserted. Styles 2, rarely 
3, coherent below. Fruit a small pome containing 2, rarely 3 al- 
most distinct carpels, each 2-celled by a spurious partition, the 
cells l-seeded. Seeds angular, compressed, with a cartilaginous 
testa, erect, with the radicle at the base. 
P. ramosissimum Nutt.1l.c. A shrub 4-6 feet high with hard white 
wood-and grayish bark: »ranches slender, recurved and more or less tor- 
tuous, spreading widely: leaves linear-lanceolate, acute, 1-2 inches long, 
entire or obsoletely serrulate, smooth and shining above, very minutely 
pubescent beneath: calyx urceolate, the tube wholly adnate to the ovary, 
