CYTISUS 



CYTISUS 



949 



FF. Petioles %in. long or longer; Ifts. oblong-obovate, 

 about }/%in. long or longer. 



17. raaderensis, Masferrer (Tellne maderensis, 

 Webb). Shrub or small tree, to 20 ft.: lys. slender- 

 petioled, crowded; Ifts. oblong-obovate, silky pubes- 

 cent on both sides, or smooth above, acute or acutish, 

 )^-%in. long: racemes 6-12-fld., rather short, fulvoua 

 or silky pubescent; fls. bright yellow, slightly fragrant: 

 pod 5-7-seeded. May, June. Madera. Var. magnifoli- 

 osus, Briquet (Telme stenopetala, Webb. C. steno- 

 petalus, Christ. C. racemosus, Marnock). Lvs. larger, 

 ^2-1^2 m - long: racemes elongated, 10-20-fld. Madera. 

 Marnock, Floricult. Mag. 2:19. B.R. 26:23 (as Genista 

 bracteolatd) . Webb & Berthelot, Phytogr. Canar. 45. 

 Sometimes cult, as C. splendens, but less desirable as a 

 greenhouse plant than the two preceding species. 



DD. Lvs. nearly sessile, linear or linear-lanceolate. 



18. linifolius, Lam. Shrub, to 3 ft., with erect, ap- 

 pressed-silky tomentose branches: Ifts. linear or linear- 

 lanceolate, acute, revolute at the margin, nearly gla- 

 brous and shining above, silvery pubescent beneath, 

 J^-l in. long: racemes short and compact; fls. bright 

 yellow: pod torulose. April-June. Spain, N. Afr., 

 Canary Isls. B.M. 442. 



C. Ada.mii, Poir.=Laburnum Adamii. C. alpinus, Mill.= 

 Laburnum alpinum. C. austriacus, Linn. Allied to C. supinus. 

 Lfts. narrow, oblanceolate, silky pubescent on both sides: fls. yel- 

 low; calyx densely villous. S.E. Eu., Caucasus. C. Beanii, 

 Nichols. (C. Ardoinii X C. purgans). Low shrub with golden yellow 

 fls., and narrow mostly simple lys. G. 30:207. C. bifldrus, L'Her. 

 =C. ratisbonensis. C. cantdbricus, Willd. Allied to C. scoparius, 



but prostrate, with silky Ivs. and large bright yellow fls. : pod villous. 

 May. Spain. C. congestus. Ball (Teline congesta, Webb). Allied 

 to C. linifolius. Densely villous-tomentose, small-lvd.: Ivs. short- 

 petioled: racemes short. Teneriffa. C. Dallimdrei, Rolfe (C. multi- 

 florus X C. scoparius var. Andreanus). Upright shrub with pale 

 purple fls. G.C. III. 51:198. Gn. 74, p. 291. G.M. 55:11. B.M. 

 8482. There are forms with sulfur-yellow and one with orange-yellow 

 fls- C. elongato-purpiireus, Hort.=C. versicolor. C. elongalus, 

 Waldst. & Kit.=C. ratisbonensis var. elongatus. C. emerifldrus, 

 Reichb. (C. glabrescens, Sartor, not Schrank). Allied to C. Ardoini: 

 Sparingly appressed-pubescent: branchlets angled: fls. yellow: pod 

 glabrous. N. Italy. G.W. 15, p. 557. C. fragrans. Lam. Allied to 

 .. nhpes. Petioles short: Ifts. densely pubescent: fls. fragrant, 

 white. Spring. Teneriffa. J.H. III. 50:448. C. glabrescens, 

 Sartor., not Schrank=C. emeriflorus. C. handsworthensis, Paul 

 & Sons. "A white-fld. plant suitable for the rockery." C. Hille- 

 brandtii, Briquet (Genista Hillebiandtii, Christ). A suffruticose 

 species, with long, slender hairy sts. and trifoliate hairy Ivs. Canary 

 Isls. C. incarnatus, Hort. = C. versicolor. C. Laburnum, Linn.= 

 Laburnum vulgare. C. nublgenus, Link=C. fragrans. C. purgans, 

 Willd. Shrub, to 3 ft., appressed-pubescent: branches striped: Ivs. 

 1-3-foliolate, oblong or linear-lanceolate: fls. axillary, yellow, fra- 



rant : pod glabrous. May-July. Spain, S. France. C.ramentaceus, 

 ieb.=Petteria ramentacea. C. ratisbonfnsis, Schaeff: Allied to C. 

 hirsutus. To 3 ft.: branches slender, appressed-pubescent: Ifts. 

 glabrous above, silky beneath: fls. 1-2, yellow; calyx with appressed, 

 yellowish, silky hairs. April-June. M. Eu., W. Asia. Var. elonga- 

 tus, Koch. More erect: fls. larger, 3-5; calyx with somewhat spread- 

 ing hairs. B.R. 4:308 (as C. biflorus). C. sessilifdlius. Linn. 

 Allied to C. nigricans. Quite glabrous: Ivs. nearly sessile, with 

 roundish-obovate Ifts.: racemes short, 4-11-fld. May, June. S. 

 Eu. B.M. 255. C. Spachianus, Kuntze (Genista Spachiana, Webb). 

 Closely related to C. canariensis. Taller: Ifts. obovate, acuminate: 

 racemes somewhat elongated. Canary Isls. B.M. 4195. C. 

 trifldrus, L'Her. Similar to C. hirsutus. Fls. long-pedicelled, yel- 

 low; calyx-tube short, not tubular. April, May. S. Eu., N. Afr. 

 Tender. F.C. 3:102. C. versicolor, Dipp. (C. hirsutus X C. purpu- 

 reus). Low shrub, with sparingly villous Ivs.: fls. yellowish white 

 and pale purple. Sometimes cult, as C. incarnatus. C. WtUenii, 

 Vi a .=Petteria ramentacea. ALFRED REHDER. 



1202. Cytisus racemosus. 



