1706 



SPIR^A 



SPIHANTHES 



tomentose beneath, 1-2 K iu. long: fls. deep pink or pur- 

 ple, in narrow dense panicles, brownish tomentose and 

 3-8 in. long; stamens somewhat longer than the obo- 

 vate petals; sepals reflexed: follicles pubescent, usu- 

 ally diverging. July-Sept. Nova Scotia to Ga., west to 

 Manitoba and Kansas. B.B. 2:190. Em. 2:485. — Var. 



2369. Spiraea Douelasi (X%). 



alba, Hort. With white fls. F.E. 8:833. Gng. 5:149. 

 This species does not spread by suckers like most others 

 of the section Spiraria. All the last named species are 

 valuable as late-blooming shrubs and decorative with 

 their showy panicles of bright or deep pink fls. They 

 appear at their best when planted in masses in the 

 wilder parts of the park in low ground. 



S. Amurensis, Maxim. = Physocarpus Amurensis.— S. arice- 

 fblia, Sm. = Schizonotus discolor.— S, Aruncus, Linn. = Aran 

 cus Sylvester. — 8. assimilis, Zabel (S. densiflora X Japonica) 

 Low shrub, with pink fls. in broad corymb-like panicles. Gar 

 den hybrid.— S. astilboides, Hort. = Aruncus astilboides.— 8, 

 BoursUri, Carr. = Schizonotus discolor, var. dumosus, 

 brumalis. Lange (probably S. expansa X alba). Medium-sized 

 shrub, with oblong, ineisely serrate, almost glabrous lvs. and 

 pinkish white fls. in broad and loose corymb-like panicles. Aug.- 

 Oct. Garden hybrid. — S. Canitschatica, Pall. = TJlmaria Canits- 

 chatica.— S. capitdta, Pursh = Physocarpus capitatus —S. 

 cin&rea, Zabel (S. canaX hypericifolia). Medium-sized shrub, 

 with small, oblong, usually entire, pubescent lvs. and white fls. 

 in short-stalked umbels. Garden hybrid.— <S\ concinna, Zabel 

 (S. albifloraX expansa). Medium-sized shrub, with lanceolate, 

 sharply serrate, almost glabrous lvs. and pinkish white fls. in 

 broad corymbs. Garden hybrid.— 8. compdcta ntultiflbra, Hort. 

 = Astilbe .1 aponica var.— S. confcrta, Zabel (S. cana X crenata). 

 Medium-sized shrub, with small, ovate to oblong-lanceolate, 

 3-nerved, entire or crenate lvs. and white fls. in dense, small, 

 peduncled umbels. Garden hybrid.— 8. Dakurica, Maxim., is 



closely allied to S. alpina, but not yet introduced; S. canescens 

 and Sorbaria sorbifolia are sometimes cult, under this name.— 

 8. diffiintiis, Zabel (S. alba X corymbosa). Medium-sized 

 shrub, with oval to oblong-lanceolate, serrate, almost glabrous 

 lvs. and white fls. in large corymb-like panicles. Garden hy- 

 brid. — 8. discolor, Pursh = Schizonotus discolor. — S. dumbsa, 

 Nutt. = Schizonotus discolor, var. dumosus.— S. Filipendula, 

 Linn. = Ulniaria Filipendula. — A', fissa, Lindl. = Schizonotus 

 discolor, var. fissus. — 8. floribunda. A trade name of indis- 

 criminate meaning. S. sempertiorens and Sorbaria sorbifolia 

 are sometimes met with under this name. — S. gemmata, 

 Zabel (S. Mongolica, Hort., not Maxim.). Allied to S. alpina; 

 axillary buds much longer than petioles: lvs. small, penni- 

 nerved, oblong-lanceolate, usually entire: fls. white, in short- 

 stalked, rather few-fld. umbels. Mongolia.— S. Qieseleriana, 

 Zabel (S. cana X chamoedry folia). Medium-sized shrub, with 

 ovate, sharply serrate lvs. and rather large white fls. in long- 

 stalked umbels. Garden hybrid.— N. gigantea, Hort. = TJlmaria 

 Camtschatica.— 8, gracilis, Maxim. (S. vacciniifolia. Lodd., not 

 Don). Low shrub, allied to S. canescens, with slender, arching- 

 branches: lvs. small, ovate, obtuse, entire or crenate above the 

 middle, quite glabrous: fls. white, in hemispherical loose 

 corymbs. Himal. L.B.C. 15:1403.— 8. graJidiflbra, Sweet = 

 Sorbaria grandiflora.— 8. grandiflbra. Hook. = Exochorda 

 grandiflora.— .S". Hacguetu, Fenzl. & Koch. Closely allied to S. 

 decumbens, but grayish pubescent and with the sepals upright 

 or spreading in fr. N. Italy, Tyrol. — S. Hobkeri, garden name, 

 applied to S- nudiflora, bella, expansa, tristis and others, and 

 also to Exochorda grandiflora.— S. HuinboldtU, Hort. = Arun- 

 cus Sylvester.— A'. Japonica, Hort., not Linn. f. = Astilbe Ja- 

 ponica.— S. inflexa, C. Koch (S. crenata X mollis). Medium- 

 sized shrub, with slender arching 1 tranches: lvs. elliptic-oblong, 

 entire, sparingly pubescent beneath: fls. white, rather large, in 

 many-fld. stalked umbels. Garden hybrid.— S. Kamaonensis 

 spiedta, Hort., is a form of S. sempertiorens.— *S. Kamsckdtica, 

 Auth. = Ulniaria Camtschatica. — .S. lancifblia, Hott'msgg, sup- 

 posed to be S. Hacquetii. — ,S. laxifldra, Lindl. = S. vaccinii- 

 folia.— 5. lAndleydna, Wall. = Sorbaria Lindleyana.— S. lobdta, 

 Gronov.= Ulniaria rubra.— 8. micropetala, Zabel (S. hyperici- 

 folia X media). Medium-sized shrub, with grayish green, ob- 

 long-ohovate lvs., entire or serrate at the apex, 3- or penni- 

 nerved: fls. white or greenish white, in umbels on leafy or 

 naked stalks. Garden hybrid.— 8. Millefolium, Torr.= Sor- 

 baria Millefolium.— 8, mdllis, C. Koch (S. cana X media). 

 Similar to S. media: lvs. smaller, usually entire, pubescent: 

 fls. smaller, umbels pubescent. Garden origin.— A'. Mongdltca, 

 Maxim., is closely allied to S. crenata, but not yet introduced; 

 the S. Mongolica of gardens is S. gemmata.— S. inonogyna, 

 Torr. & Gray = Physocarpus monogynus.— 8. Nepalmsis, a 

 garden name applied to several species, as S. micropetala, 

 canescens, salicifolia, etc.— S. nivea, Zabel (S. canescens X 

 expansa). Similar to S. canescens in habit, corymbs larger and 

 looser: lvs. coarsely doubly serrate, pubescent, 1-2 in. long: 

 fls. white or pinkish white. Garden hybrid.— 8. mtdiflbra, 

 Zabel (S. bella X ulmifolia). Medium-sized shrub, with ovate, 

 doubly serrate, almost glabrous lvs. and pinkish white fls. in 

 hemispherical corymbs. Handsome, almost hardy shrub. Gar- 

 den hybrid.— A', opulifblia, Linn. = Physocarpus opulifolia.— 8. 

 oxybdon, Zabel (S. chama?dryfolia X media). Similar to S. 

 media, but branches angular: lvs. narrower, follicles with the 

 styles terminal and spieading. Garden hybrid. — 8. Pdllasii, 

 G. Don=Sorbaria grandiflora. — S. palnidta. Pall. = TJlmaria 

 palmat.i. - S. palmata, Thunb. = Ulmaria purpurea.— 8. pal- 

 mata. Linn.=* Ulmaria rubra. — 8. parvifblia, Bertol. — S. 

 gracilis.— iS. revirescens, Zabel (S. expansa X Japonica). Me- 

 dium-sized shrub, with oblong, coarsely serrate lvs., pubes- 

 cent on the veins beneath: fls. light to deep pink, in large 

 corymbs; blooming in summer and usually again in fall. Garden 

 hybrid.— S. Hbifblia, Nutt. = Physocarpus capitatus.— 8. rubra, 

 Zabel (S. ruberrima, Dipp. S. Douglasi X expansa). Upright me- 

 dium-sized shrub, with oblong-lanceolate, coarsely serrate lvs. 

 tomentose beneath, and deep pink fls. in ovate panicles. Garden 

 hybrid.— 5. Scfiinabeckii, Zabel (S. chama'dryfolia X trilohata). 

 Medium-sized shrub, with arching branches: lvs. ovate to ob- 

 long-ovate, doubly serrate, glabrous: fls. white, rather large, 

 in peduncled umbels: petals longer than stamens. Handsome 

 shrub, similar to S. Van Houttei. Garden hybrid.— 8. sorbifolia, 

 Linn. = Sorbaria sorbifolia— S. Tobolskia, Lodd. — Sorbaria 

 sorbifolia.— A*, trifolidta, Linn. = Gillenia trifoliata.— A*, tristis, 

 Zabel. Hybrid of unknown origin, similar to S. expansa, but 

 corymbs and the whitish pink fls. smaller; sepals upright in 

 fr.— A*. Ulmaria, Linn. = Ulmaria pentapetala. — 8. vaccinii- 

 folia, D. Don (S. laxiflora, Lindl.). Shrub, to 2 ft., with arch- 

 ing branches: lvs. long-petioled, ovate, erenately dentate, al- 

 most glabrous, %-\% in. long: fls. whitish, in tomentose 

 corymbs, 1-3 in. across June. July. Himal. P.F.G. 2, p. 98. 

 F.S. 7, p. 190.— 8, vacciniifblia, Lodd. = S. gracilis.— S. vaccina- 

 fblia, Hort. = S. canescens, brumalis, etc. — S. veniista, Hort. 

 — Ulmaria rubra, var. venusta.— S. venustula, Kunth & 

 Bouch6 = S. vacciniifolia. Alfred Rehder. 



SPIRAL FLAG. See Costus. 



SPIRANTHES (name Greek; referring to the twisted 

 spikes). Orchiddcew. Ladies' Tresses. A genus in- 

 cluding about 40 species dispersed throughout the tern- 



