*5P^>«^«- ROSACE.E. ^gg 



long: racemes shorter than tlie leaves, shortly podunded ; bracts conspicuous <lc- 

 ciduous: flowers greenish white, 3 or 4 lines broad: drupes blue-black witli a slVlit 

 furrow on tl^e inner side, 6 to 8 lines long; flesh bitter; stone som..vhut' c-mu- 

 f'^^'^f 'I- ~ ^''°^- * ^'■^- ^°^- Eeechey, 337, t. 82; Torr. & Gray i-1 i iiv 

 Lindl. m Trans. Hort. Soc. iv. 222, & flg. . , • . ti.j, 



In moist places and on the north slopes of hills from San Luis Obispo to Fraser River chiellv 

 in the Coast Ranges. Flowering in March and April ; fruit ripe from June to July. ' ^ 



3. SPIRJEA, Linn. Meadow-Sweet. 

 Calyx persistent, Sdobed ; the tube campanulate or concave. Petals 5, rounded 

 nearly sessile. Stamens numerous (20 or more), inserted with the petals.' Carpek 

 usually 5 or more (2 to 12), distinct and sessile or nearly so, becoming membrana- 

 ceous or coriaceous several- (2- 15-) seeded follicles, not inflated. Seeds small, 

 pendulous, linear, with a thin membranaceous testa, without albumen. — Perennial 

 herbs or mostly shrubs ; leaves alternate, mostly without stipules (in our species) ; 

 flowers white or rose-colored, in compound corymbs or panicles, or rarely spicate. 

 r,n^f/'"''f °*"- '''^°''* 50 species, belonging chiefly to the temperate and cooler regions of the 

 ?on 5 [n Nn. h'^a ■'•• ^ '"^ '"'"i^ ornamental species are conimon in cultivation." Sf the 13 

 lonnd in North America 4 are conhned to the Atlantic States. 



FnTotv K^^'Tin T'"'''''r,l Watson Proc. Am. Acad. xi. 147, the Spircea Californiccc of Torrey in 



§ 1. Bred shrubs, with simple and usnalhj lohed or toothed leaves: stipules none: 



flowers perfect. — Spir^a proper. 



'■^ Petals rose-colored or purplish, orbicular, exceedmg the calyx: filaments much ex- 



serted : carpels smooth : ovides several. 



1. S. betulaefolia, Pallas. Glabrous or finely pubescent, a foot or two high or 

 more wi li reddisli bark : leaves broadly ovate to ovate-oblong, rounded at base, 

 usually obtuse, acutely and unequally serrate or incised, an inch or two long, on short 

 petioles or nearly sessile : flowers pale purple, in festigiate compound often leafy- 

 bracted corymbs : calyxdobes as long as the tube, reflexed : carpels 5, a line lonrr • 

 ovules 5 to 8.-F1. Eoss. t. 16. ,S'. chamcedrifolia, Pursh, nut Linn. S. corym- 

 oosa, Paf. '^ 



.ndr"^i™'^' "•' ^''! ^l',™, ^^^f^' at 5,000 to 9,000 feet altitude, from Mono Pass (Brarrr) 

 noithward : ranging to Alaska and the head-waters of the Missouri ; also eastward in the AUe- 

 ghany Mountains, and in Northern Asia and Japan. 



2. S. Douglasii, Hook. Erect, 3 to 5 feet high, with reddish-brown bark ; the 

 young branches, inflorescence, and lower side of the leaves more or less densely 

 white-tomentose : leaves oblong, 1 to 3 inclies long, unequally serrate towards the 

 rounded or acutish apex, often somewhat cuneate at base, very shortly petioled, the 

 upper surfixce bright green or sometimes pubescent : flowers rose-colorod, crowdeil in 

 a narrow usually elongated sessile panicle : calyx-lobes mostly reflexed : cari.els "), 

 glabrous : ovules 9 to 11. — Fl. i. 172 ; Bot. Mag. t. 5151. 



Var. Nobleana, Watson. Less pubescent, sometimes nearly smooth : flowers 

 m broad thyrsui.l panicles: leaves often 3 or 4 inches long. — ^. Xobleana, Hook. 

 Bot. Mag. t. 5169. 



Var. Menziesii, Presl. Slightly pubescent above, the leaves glabrous an.l of the 

 same color on both sides or paler beneath : panicle narrow. — Epimelia Bot. 195. 

 S. Menziesii, Hook. Fl. i. 173. 



In wet places from the Upper Sacramento to the British boundary and Idaho. 



