SPIRiEA 



39. nbtlia, Zabel [S. corymbosa x latifdlia). Shrub. 

 3 ft. high, with Ijrowu glabrous branches: Ivs. broadly- 

 ovate to obovate, short-petioled, coarsely aiul doubly 

 serrate, almost glabrous, 1-2 in. long: Hs. white to 

 pinkish white, in broad, glabrous panicles: stamens 

 almost twice as long as the orbicular petals. July, Aug. 

 — Of garden origin. 



40. pyramidita, Greene {S. li'ieitla x Mhiziesi). Up- 

 right shrub, 3 tt. high- Ivs. oval-oblong to oblong, 

 acutish or obtuse, usuallv doubh senate above the 

 middle, glabrous or nearl\ ^c 1' -' iii long: panicles 

 1%-S% in. long, rather (1(1]-. | .1 

 or almost white. Jul}'. lonini \s 1 I 

 ington.- Worthy of cultn.itu.n. l.iii 



41. Sanssouciina, C. Koch {H. J><> 

 S. Bet/elidiia, Hort.). Shrub, 4 ft 

 finely tomentose branches : Ivs 

 sharply and usu,ill> doulily serrati 

 beneath, J- i^ . in iciii; Hs pink, in 

 panicles t..lli. b s _r| ,1 ,,,,|^ ^^ ni 



intermedia, Li-iii(iiii( \ti. tilliifln,,i n< n./l t ii snmhir 

 in habit to <!>'. si/} i}K/(Ptloia but with tlie 1\ s tomentose 

 beneath. 



42. Nobleina, Hook. (S. Doiiglasi, var. Nohle&na, 

 Wats. N. Poihilusi X thn.uflora}. Shrub, 4 ft. high, 

 similar to tin Icniin i h s. oblong or narrowly oblong, 

 usually iniunb .1 it tin liase, acute, sharply serrate 

 above tin ninl II _i \isli tomentose beneath. 1-3 m. 

 long: lis li^lii piiik 111 dense broadlv p\r*(uiidal to- 

 mentulosL p.mn h s, ,-Uin. high; pefiKlnlf ,s |,,,iir as 

 stamens; sepals fctlexed in fr. ; st\li- i. i I im 1iiI\ 

 Natural hybrid, found in Calif. H -^l IM - _s(. 

 —A similar form is S. paohystachy- im 

 bohii X Doiiglasi), with broader h- ml i' t i .b r 

 pmk. 



43. salioiJdlia, Linn. (S. Siblnea, Raf. S.snheifoha, 

 var. cdrnea, Ait.|. Upright shrub, 5 ft. high, with te- 

 rete yellowish brown branches puberulous when young: 

 1\ s. dliloiii,' Lull (-olate to lanceolate, sharply and some- 

 curved teeth, IV2-3 in. 



ris. pinkish 

 and Wash- 

 introduced. 



is S. 



ish, 



the as- 



cending l.iinitli 111 1 I I I 



June, Juh 's I I 

 Var. grandiflora, 1 1 

 with larg( 1 lulu. 11 11 



44. 41ba, Hill I s w/ - /, , ^ , 



lanceoUttii . r...i kli 1 i^ii 1 1 



Sweet. Fi.,' _' i.s l |,ii_|ji shni 

 reddish blown bi.iuthLs i,ul)(_iul 

 narrow, oblong to oblanceolate, ai 

 simply serrate, l%-2]4 in. long 

 pyramidal tomentulose panicles, thi 

 ramifications much longer th 



I'l latifdlia, H.. 



"^.IlithU- 

 Meauow 

 iigh,with 



doubly serrate, lH-3 in. long: ri- ilim 



those of S. alba, sonutimes Iigliih iih 



the stamens and disk more or less | ,. i. , .m. Us 

 quite glabrous, broadly pyramidal, wuli si,i.,i.lin^ .uid 

 elongated ramifications ; stamens longLr th.iu petals. 

 June-Aug. Newfoundland and Canada to N. C. Em. 

 2:485. B B. 2:19(i.-This and the preceding species have 

 been referred by most American botanists to S. suUeitu- 

 litt. a. alba is chiefly found west, S. Jatifolia east of 

 and in the Alleghanies. 



46. M6nziesi, Hook. (S. Douqlasi. var. M(nziesi, 

 Presl.). UiiriKht shrub, 4 ft. high, with lirown. at first 



green b. m ilb I ' m I 1 _ 11 m .11 | i 1 n, 1 ,thcr 

 narrow, d-s 111 l.iii.i p.um 1. s st.un. ns mi.i. ili.iii twice 



SPIK^A 1705 



as long as the roundish petals; sepals reflexed in fruit. 

 June-Aug. Alaska to Oregon. 



47. Billirdii, Hort. (S. Doiiglasi x salicifblla). 

 Shrub, G ft. hiKh.with brown pubescent branches: Ivs. 

 oblong to oblong-lanceolate, acute, sharply and often 

 doubly serrate, except in the lower third, usually grayish 

 tomentose beneath, at least when young, sometimes al- 

 most glabrous at length, 2-3 m. long: fis. bright pink, 

 in 5-8-in. long, tomentose or tomentulose panicles, usu- 

 ally rather narrow and dense. July, Aug. Of garden 

 origin. — S. I/ennedna, Bethlehemhisis rubra, trium- 

 nhans, eximia, Vonstdntiip, Californica, Hort., are very 

 similar and probably of the same parentage. 



2368. Spiraea alba ( X >4 ; 

 Douglasi, Hook. Fig. 236it. Shnili, h ft. high, with 



■I'l""- '-"'""l •■ n.iitisl, ,1 l„.t Is, ,rnequally 



It. il.. \, Hi. nil. i. II. .1. 11-. Iv Mini. i..ni,-iitose be- 

 I, r I 111 I. ii_ IN .1. . |. I II 1 11! .1. iisH, rather 



- twn ( is I, ,11^' lis the oboxate petals; sepals re- 

 il HI tiiiii l.illicles glabrous. Julv, Aug. British 

 inl.iii..i ,Iit F.S. 2:66. R.H. IMlVlOl. P.F.G. 2, 

 I'll. IJ IT,. B.M. 5151. On. 23:3b0. 

 tomentdsa, Linn. Hardhack. Steeplebush. 

 b, 4 ft. high, with upright, brown, tomentose 

 ?hes: Ivs. ovate to oblong-ovate, acute, unequally 

 often doubly serrate, densely yellowish or grayish 



