Menzies' Spirea

Spiraea subvillosa Rydberg, sp. nov
A shrub, 1 m. high or less; bark of the twigs chestnut-brown, more or less villous with short fine hairs ; petioles about 5 mm. long, villous-puberulent ; leaf -blades thin, oval or elliptic, 4-6 cm. long, 1.5-2 cm. wide, glabrous above, somewhat villous-puberulent and paler beneath, acute at each end or obtuse at the apex, coarsely serrate above the middle ; inflorescence short, ovoid, or sometimes nearly flat-topped, finely villous, dense ; hypanthium hemispheric, about 1 mm. deep ; sepals triangular-ovate, 1 mm. long, reflexed in fruit ; petals rounded-oval, nearly 2 mm. long, pink ; follicles glabrous. Perhaps a hybrid between ^. Douglasii and S, densiflora.
Type collected at the Cascades of the Columbia, Oregon, 1886, Thomas Howell, Distribution : Type locality and on Hood River, Oregon.

Spiraea menziesii Hook. Fl. Bor. Am. 1 : 173. 1832
Sfiraea cuneifolia Raf. New Fl. 3 : 67. 1838.
Spiraea Douglasii Mem^iesii Presl, Epim. Bot. 195. 1852.
A shrub, 1-1.5 m. high ; bark of the twigs brown and usually puberulent, exfoliating the second year; that of older stems very dark, purplish; petioles 3-5 mm. long; leafblades elliptic, oblong or oval, serrate above the middle, acute, obtuse or rounded at either end, glabrous or puberulent on the veins, 3-10 cm. long ; inflorescence paniculate, very dense, long and narrow, spike-like ; branches villous-puberulent ; hypanthium villouspuberulent, hemispheric, less than 1 mm. deep ; sepals pubescent, ovate, acute, reflexed ; petals rose-colored, suborbicular, 1.5 mm. long; follicles oblanceolate, about 2 mm. long, glabrous.
Type locality : Northwest coast of America.
Distribution : Along streams, from southern Alaska and British Columbia to Oregon and