COKNUS 



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

 fr. Kin. 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 flowering trees ; hardy north. Var. p6ndula, 

 Hort. With pendulous branches. 

 Var. rilbra, Hort. With pink in- 

 volucre, but less free-flowering 

 than the type. E. H. 1894:500. 

 A.G. 18:441. P. E. 9:572. Neither 

 variety as hardy as the type. 



14. Niittalli, And. Tree, to 80 

 ft.: Ivs. ovate or obovate, usu- 

 ally pubescent beneath, 4-5 in. 

 long: involucre white or tinged 

 with pink, 4-6 in. 

 across ; bracts 4-6, ob- 

 long or obovate, some- 

 times roundish, mostly 

 acute : fr. bright red 

 ororange, crowned with 

 the broad, persistent 

 calyx. Brit. Columbia to S. Calif, 

 S.S. 5:214-15. Gng. 6:274.-This 

 species surpasses the former in 

 beauty, but is more tender and has not yet been 

 successfully cultivated outside of its native 

 country, though introduced at several times 

 into different American and European gardens . 



DD. J'l-s. connate into a globular fleshy 

 head. {Benthamia.) 



15. Koiisa, Buerg. (Benth&mia Japdnica, Sieb. & Zucc. 

 G. Japdn ica, Koehne, not Thunbg. ) . Shrub or small tree, 

 to 20 ft. : Ivs. cuneate, eUiptic-ovate, acuminate, dark 

 green above, glaucous and appressed-pubescent beneath, 

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

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

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

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

 1899:328-9. — Fls. 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. capit&ta. Wall. {Benthdmia fraglfera, Lindl.). 

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

 ends, appressed-pubescent above and more densely and 

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

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

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

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

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



AA. -CoH' herbs: fls. in dense heads, with a white {or 

 pinkish) involucre. 



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

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

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

 peduncled ; involucre white, 1-lK 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. 



C. asperifblia, Michx. Shrub, 8-15 ft.; branches reddish 

 brown: Ivs. rough above, woolly -pubescent beneath: fr. white. 

 Ontario to Florida, west to Texas. G.JP. 10:105.- C. brachypoda, 

 C. A. May. Shrub: Ivs. opposite, glaucous and appressed-pubes- 

 cent beneath: panicles large, loose. See C. maerophylla in the 

 main list. Japan, China.- CffZaftrdia, Benth. Shrub, to 10 ft.; 

 branches gray: Ivs. small, nearly glabrous, green and shining on 

 both sides : fr. white. Oregon to Calif.— G. Hessei, Koehne. 

 Allied to C. alba. Dwarf, dense shrub: Ivs. crowded, small: fr. 

 bluishwhite. ProbahlyfromE. Asia.— (7.o62<ini7a, Wall. Shrub 

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

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

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

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

 bescent beneath: fr. white. Brit. Columbia to Calif.— 0.»S«^cica, 

 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. Alfked Rehder. 



COBONA. Same as crown. 



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

 rangement of the Us.). Leguminbsce , tribe Bedys&reos. 

 Cbown Vetch. Perennial shrubs or herbs, with odd- 



CORREA 



379 



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

 heads or umbels ; pod jointed. Separated from Orni- 

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

 Mediterranean region. The shrubby G. Hmertis and C. 

 glauca are useful in southern California and the south- 

 em states. The species are occasionally grown in bor- 

 ders. G. glauca is sometimes grown under glass 

 for spring bloom, after the manner of Cytisus. 

 All are of easy culture. 



558. 



Cornus florida. 

 {X%.) 



A. Flowers yellow. 

 B. Serbs. 

 Cappaddcica, WiUd. (G. IbMca, 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. Shrubs. 



Emdms, Linn. Scorpion Senna. Dense, symmetrical 

 shrub, 4r-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. 



glailca, 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, 



viminMis, 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. Pis. all the year in 

 S. Calif. 



v&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, J^-Ji 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. Jaeed G. Smith. 



C0BB£A (after Jose Francesco Correa de Serra, 

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

 cies of tender Australian shrubs, rarely cultivated un- 

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



