^ 



COENUS 



or pinkish, 3-4 in. wide ; bracts 4, obovate, emarginate: 

 fr. Min. long, scarlet. May. Massachusetts to Florida, 

 west to Ontario and Texas, also E. and S. Mexico. S.S. 

 5:112-13. Em. 468. G.P.3:431. B.M. 526. Gn. 52, p. 177; 

 53, p. 222. J.H. III. 28: 453. -One of the most beautiful 

 American ilowering trees ; hardy north. V'ar. p^ndula, 

 Hort. With pendulous branches. 

 Var. rdbra, Hort. With pink in- 

 volucre, but k-ss free fl wering 

 than the type. R H 1894 500 

 A.G. 18:441. F. E. 9 o 2 Neither 

 variety as hardy as the type 



14. Niittalli, Aud Tree to 80 

 ft.: Ivs. ovate or obovate usu 

 ally pubescent beneath 4-'' in 

 long: involucre white or t i 

 with pinli , 4-6 in 

 across; bracts 4-6, ob -r 

 long or obovate, some 

 times roundish, mosth 

 acute : fr. bright red 

 ororange, crowned with 

 the broad, persistent 

 calyx. Brit. Columbia to '^ i 

 S.S. 5: 214-15. Gng. 6 2 4-1 

 species surpasses the f nner 

 beauty.but is more tender in 1 his not \ t I i 

 successfully cultivated outside of its u itn ( 

 country, though introduced at several time; 

 into different American and European gardens 



DD. J^rs. connate into a globular fleslti 

 head. (Benthumia.) 



15. Eotksa, Buerg. (iJe«»i«»iia Jap6nica,Sieh.& Zucc. 

 C. Japdn iea, Koehne. not Thunbg. ) . Shrub or small tree, 

 to 20 ft.: Ivs. cuneate, elliptic-ovate, acuminate, darli 

 green above, glaucous and appressed-pubescent beneath, 

 2-4 in. long : involucre creamy white, 2^-3 in. wide ; 

 bracts ovate, acute: frs. forming a globular head. J 

 Japan, China. S.Z. 16. Gn. 43: 898 G.C. III. 19:783. 

 A.G. 13:674. Gng. 3:149. J.H. III. 35:9. M.D.G. 

 1899:328-9. — FIs. very showy, appearing after the Ivs. in 

 June and contrasting well with the bright green foliage ; 

 hardy as far north as Mass. Sometimes variegated. 



16. capitata, Wall. (Benthdmia fragifera, Lindl.). 

 Tree : Ivs. coriaceous, elliptic-oblong, narrowed at both 

 ends, appressed-pubescent above and more densely and 

 whitish beneath, 2-4 in. : involucre about 2K-3 in. wide, 

 creamy white; bracts ovate, acute: fruit-head over 1 in. 

 across, scarlet. June. Himalayas. B.R. 19:1579. Gn. 54, 

 p. 310. G.C. 111. 16:501. J.H. HI. 30: 213.- Evergreen 

 tree, with showy fls. and frs. ; hardy only south. 



AA. Low herbs: fls. in dense heads, jvith a white (or 

 pinkish) involucre. 



17. Canadensis, Linn. Herb, %-% ft. high, with creep- 

 ing rootstoek : Ivs. whorled, sessile, elliptic or obovate, 

 glabrous or nearly so, 1-3 in. long: head greenish, long- 

 peduncled ; involucre white, 1-1^ in. wide: fr. bright 

 red, globose. May-July. N. Araer., south to Indiana, 

 Colorado and Calif. B. M. 880.- Handsome plant for 

 half-shady places. 



r risri-rHMia. Jlichx. Shrub, 8-15 ft.; branches reddish 

 l.rovvn; Ivs luutih above, woolly-pubescent beneath : fr. white. 

 ( iiitin i. .t,, 11,, ri,lH, west to Texas. Q.V.lfl-.Vio.— C.brachypoda, 

 (_', A M<y slitiit,; Ivs. opposite, glaucous and appressed-pubes- 

 cent lHii,-;Ltl!: panieles large, loose. See C. maerophylla in the 

 main list. .Japan, Cliiiia.-r,,;/f(hm'n,Beuth. Shrub, to 10 ft.; 

 brauc-hes gray : Ivs. small, n<':ni>- ^laln-ous, green and shilling on 

 both sides; fr. white <'ir^,.ii i,, Calif.— 0. iff'Sset, Koehne. 

 AlUed to C. alba. Dwai I', ,1, use slinih: Its. crowded, small: fr. 

 bhiish white. Prol.tihly liMin K .\si:i.— CobUngaMM. Shrub 

 or tree, to 30 ft.: Ivs. naiiow oblong, nearly glabrous, glaucous 

 beneath, coriaceous : fls. white, fragrant, in cymose panicles. 

 Himalayas.— C. pubescens. Nutt. Stirub, to 15 ft., with purple 

 branches : Ivs. nearly glabrous above, glaucous and wooUy-pu- 

 beseeut beneath: fr. white. Brit. Columbia to Calif. — O. Su^ci^a, 

 Linn. Allied to C. Canadensis: Ivs. all opposite: fl. -head purple, 

 the white involucre 1 in. or less wide. Arctic Amer., N. Eu., 

 N. Asia. B.B. 2; 543. ALFRED ReHDER. 



COEONA. Same as crown. 



COEONlLLA (Latin, a little crown: from the ar- 

 rangement of the fls.l. Legnyninbsw, tribe ffedysdrew. 

 Crown Vetch. Perennial shrubs or herbs, with odd- 



CORREA 



379 



pinnate Ivs., and purple or yellow fls. in peduncled 

 heads or umbels ; pod jointed. Separated from Orni- 

 thopus by floral and fruit characters. Species 25-30, 

 Mediterranean region. The shrubby G. Hmerus and C. 

 glaiica are useful in southern California and the south- 

 em states. The species are occasionally grown in bor- 

 ders. C.glauea is sometimes grown under glass 

 for spring bloom, after the manner of Cytisus. 

 All are of easy culture 



A. Flowers yellow. 

 B. Serbs. 



Cappaddcica, Willd. (C /ftcHcn, Bieb.). Low peren- 

 nial herb, about 1 ft. high: Ifts. 9-11, obcordate, ciliate: 

 umbels 7-8-fld. : fls. yellow, large, July-Aug. : stipules 

 membranaceous, rounded, ciliate-toothed. Asia Minor. 

 L.B.C. 8:789. B.M. 2646. -A good trailer for rockeries 

 and the margins of borders. 



BB. Shrwbs. 



EmSrus, Linn. Scorpion Senna. Dense, symmetrical 

 shrub, 4-6 ft. high: Ivs. deep, glossy green ; Ifts. 5-7, 

 obovate ; stipules small : peduncles 3-fld. : fls. large, 

 yellow, tipped with red. Blooms freely, May and June. 

 Showy, half-hardy. S. Eu. B.M. 445. Gng. 5:36.- 

 Evergreen in S. states. 



glaiica, Linn. Glabrous shrub 2-4 ft. high : stipules 

 small, lanceolate : Ifts. 5-7, obovate, very blunt, glau- 

 cous: fls. 7-8 in each umbel, yellow, fragrant by day but 

 not at night. S. Eu. B.M. 13. — One of the common 

 garden shrubs of S. Calif., flowering all the year. 

 aa. Flowers white and pink. 



viminaiia, Salisb. Trailing shrub : stipules soon de- 

 ciduous, ovate, membranaceous : Ifts. 13-21, obovate, 

 notched, glaucous: umbels 6-10-fld.: fls. pale red or 

 white with a red stripe on the banner. Algeria. - Prom- 

 ising as a florists' plant for cut fls. Fls. all the year in 

 S. Calif. 



va,ria, Linn. Crown-Vetch. Pig. 559. Straggling or 

 ascending, smooth herb, 1-2 ft. high : Ivs. sessile ; Ifts. 

 11-25, oblong or obovate, blunt and mucronate, %-% in. 

 long: peduncles longer than Ivs.: fls. in dense umbels, 

 K in. long, pinkish white. June to Oct. Eu. B.M. 258. 

 Gng. 5: 337.— Trailing plant for hardy, herbaceous 

 border. Jared G. Smith. 



COBBfiA (after Jose Francesco Correa de Serra, 

 Portuguese author, 1750-1823). ButAceai. Seven spe- 

 cies of tender Australian shrubs, rirely cultivated un- 

 der glass for their pendulous, tubular fls. an inch or two 



