352 



COLEUS 



COLLOMIA 



shrub, 2-3 ft. high: stems ptibescent: Ivs. cordate, coarsely cre- 

 nate, lower ones 7 in. long: fls. blue, in racemes which contain as 

 many as 18 forking cymes with about. 10 fls. in each. B.M.7672. 



L. H. B. 



Corolla less strongly declined; throat much longer 

 than broad. 



519. Coleus Blumei, var. Verschaffeltii. 

 COLIC -KOOT. Aletrls farinosa. 



COLLAEDS. A kind of kale. In the south, a form of 

 the plant known as Georgia Collards is much grown for 

 domestic use and the southern market. The plant grows 

 to 2-3 ft. high and forms no head, but the central Ivs. 

 often form a kind of loose rosette. These tender Ivs. 

 are eaten as a pot-herb, as all other kales are. Fig. 295, 

 page 199, shows a Georgia Collard, although the rosette 

 is not well marked. The seeds may be started in a 

 frame under glass, or in a seed-bed in the open. As far 

 south as the orange-belt, they are usually started in 

 February and March, in order that the plants may ma- 

 ture before the dry, hot weather. Farther north they are 

 started in July or August, and the plants are ready for 

 use before cold weather. Transplant to rows 3>a-4 ft. 

 apart, and 3 ft. apart in the row. Till as for cabbage. 



Young cabbage plants are sometimes eaten as greens" 

 under the name of Collards ; and cabbage seeds are sown 

 for this specific purpose. In the north, where heading 

 cabbages can be raised, Collards of whatever kind are 

 not greatly prized. Li H- B> 



COLLINSIA (after Zaccheus Collins, American phi- 

 lanthropist and promoter of science, Philadelphia, 1764- 

 1831). Scrophularidcece. About 18 species of hardy an- 

 nuals from California and western North America, not 

 far removed botanically from Pentstemon and Chelone. 

 They are free-flowering and of the easiest culture. 

 They may be sown outdoors in the fall in well-drained 

 soil, and will bloom earlier than if sown in spring. 

 Their fls., borne in midsummer, range in color from 

 white through lilac and rose to violet, with clear, bright 

 blue also, at least on one lip of the fl. There is no yel- 

 low. All those described below have fls. in whorls. 

 Lvs. opposite, rarely in whorls of 3, entire, or toothed, 

 the lower Ivs. rarely 3-cut. 



A. PL-stalks very short, giving the clusters a dense 



appearance. 

 B. Corolla strongly declined: throat as wide as long. 



bicolor, Benth. Fig. 520. Height 1 ft., hairy, glabrous, 

 or sticky : stems weak and bending : Ivs. more or less 

 toothed, and oblong or lanceolate, sessile, opposite or in 

 3's : fls. typically purple and white, with 5 or 6 well 

 marked color varieties. Var. alba, Hort. (Fig. 521), has 

 pure white fls., or the lower lip greenish or yellowish. 

 Va-. multicolor, Voss. (C. multicolor, Lindl. & Paxt.), 

 has variegated fls., the same fl. being white, lilac, rose 

 or violet on either lip or both. Var. multicolor marmo- 

 rata, Hort., has the lower lip white, suffused lilac, and 

 upper lip light lilac, spotted and striped carmine. 

 Calif. B.M. 3488. P.M. 3:195.-This is the most widely 

 distributed and variable species, and the one on which 

 the genus was founded. California, mostly in moist 

 ground. 



bartsiaefdlia, Benth. Height 1% ft.: sticky and some- 

 what glandular, rarely hairy: Ivs. from ovate-oblong to 

 linear : fls. purplish or whitish : seeds not wrinkled. 

 Calif. 



AA. Fl. -stalks %in. long or more, giving the clusters 

 a looser look. 



v6rna, Nutt. Height about 6 in. : Ivs. ovate or oblong, 

 or the lowest rounded and slender-stalked, arid the up- 

 per ovate-lanceolate and partly clasping: whorls about 

 6-fld. : fl. -stalks longer than the fls.: throat of the co- 

 rolla as long as the calyx lobes ; lower lip bright blue; 

 upper lip white or purplish: seeds thick, not flattened, 

 oblong, arched. Moist woods, western New York and 

 Penna. to Wis. and Ky. B.M. 4927. 



grandifldra, Dougl. Height 4-12 in. : Ivs. thickish, the 

 lowest roundish and stalked; whorls 3-9-fld.: fl. -stalks 

 about as long as the fls. : lower lip deep blue or violet; 

 upper lip white or purple : throat of the corolla sac-like, 

 as broad as long, or as long as the upper lip : seeds 

 roundish, smooth. Shady hills of Calif. ^ jyj 



COLLLNSONIA (after Peter Collinson, the friend of 

 Linnaeus and John Bartram, a most interesting man). 

 Labiatce. HORSE-BALM. HORSE-WEED. STONE-ROOT. 

 A genus of 4 species confined to Atlantic N. Amer. 

 Hardy perennial herbs with large, odorous, ovate, ser- 

 rate, mostly long-stalked Ivs., thick roots, and simple or 

 panicled, naked, terminal racemes of yellow or whitish 

 fls. The following is of the easiest culture and may be 



obtained from dealers 

 in native plants : 



CanadSnsis, Linn. 

 Height 2-4 ft. : Ivs. 4-9 

 in. long, broadly ovate to 

 oblong : racemes pani- 

 c-led : calyx in fl. 1 line, 

 in fr. 4 or 5 lines long: 

 corolla lemon - yellow, 

 lemon - scented, % in. 

 long. Rich woods, Can- 

 ada to Wis., and south to 

 Florida. 



520. 

 Collinsia bicolor. 



521. Collinsia bicolor. 

 var. alba (X %). 



COLLOMIA. This genus is included by Gray in Gilia, 

 which see. Collomia is derived from kolla, glue, from 

 the large quantity of mucus in the outer covering of 

 the seed. When these seeds are placed in water, the 

 mucous matter dissolves and forms a cloud about them. 

 This cloud, according to Lindley, "depends upon the 

 presence of an infinite multitude of exceedingly delicate 

 and minute spiral vessels lying coiled up, spire within 

 spire, on the outside of the testa, and the instant water 



