478 Obdeb T2.— OAMPANULAOE^. 



united into a tube ; capsule silique-form, dry, chartsceous, 1 -celled, 

 many-seeded, dehiscent by 3 strap-shaped valves.-—® Procumbent herbs 

 with small leaves and axillary, solitary fls. 



C. elegans Doug. Glabrous, sparingly branched ; st. slender, angular ; Iva. 

 sessile, ovate, 3-veined; ova. sessile, long-acuminate, triangular, contorted, much 

 longer than the leaves ; cor. blue, with a white spot in the middle of the lower 

 Up.— Native of the Becky Mts., &c. A beautiful annual, with bright-blue 

 flowers, f 



Ordbb LXXII. CxVMPANULACE^. Bellwobts. 



Herbs with a milky juice, alternate leaves, and without stipules. Flowers mostly 

 blue, showy. Galyx superior, generally 5-cleft, persistent. Oorotta regular, cam- 

 panulate, generally 5-cleft, withering, valvate in eestivatiou. Stamens 5, free from 

 the corolla; anthers distinct, 2-celled; poUen spherical. Ova/ry adherent to the 

 calyx, 2 or more celled. Style covered With collecting hairs. Capsule crowned 

 with the remains of the calyx, looulicidal. Seeds many. 



IllQst. in flg. 318, 819. 



Cfenera 2S, species 500, oliiofly abounding in tho northern temperate zono and in South 

 Africa. Of its 600 species, according to Alphonse Do Candollo, only 19 inhabit the torrid zone. 

 The.Oampanulaceie are interesting chiefly for their beauty, being destitute of any important 

 known properties. 



1. CAMPAN'ULA, Tourn. (Lat. campanula, a little bell ; from the 

 form of the flowers.) Calyx mostly 6-cleft ; corolla campanulate, or 

 subrotate, 5-lobod, closed at base by the broad, valve-like bases of the 5 

 stamens ; stigma 3 to 5-cleft ; capsule 3 to 5-celled, opening by lateral 

 pores. — Mostly If . Fls. generally in racemes, sometimes spicate, or 

 few and axillary. 



§ Corolla rotate, fiat, deeply 5-lobed, arranged in leafy spikes Nos. 1, 2 



§ Corolla campanulate, broadly or narrowly (a). 

 a Flowers on slender pedicels, solitary or panicled (b). 



b Koot leaves unlike tho stem leaves. Corolla large (6 to 12" broad) Nos. S, 4 



b Root leaves and stem leaves similar. Corolla small (2 to 5" broad) Noa. 5, 6 



a Flowers sessile or nearly so. Stem erect Gardens NoB. 7 — 9 



1 C. Americana L. St. erect ; Ivs. ovate-lanceolate, acuminate, uncinately ser- 

 rate, contracted to a winged petiole, veins often ciliate ; fls. axillary, sessile ; style 

 exserted, decurved. — A tall, erect, ornamental species in copses, woods, &o. 

 Western N. T. and Penn. to HI., common. Also cultivated in gardens. St. 2 to 

 3f high, nearly smooth. Lvs. ending in a long point, smooth, with fine teeth. 

 Fls. blue, flat, on short stalks, or sessile, numerous, solitary, or several in each 

 upper axil, forming a terminal, leafy raceme. OoroUa spreading. Aug. f (0. 

 acummata Mx.) C. lUinoensis Froseu (in DO.) is a branching state of the same 

 plant, 



2 C. planifldra DO. Very glabrous; st. simple; lvs. sessile, coriaceous, 

 shining, radical, crowded, ovate or dbovate, obtuse, crenulate, cauline liaear-lanoeo- 

 late, acute, suientire ; fls. in a spicate raceme ; cal. lobes ovate, acute, J as long 

 as the campanulate-rotate corolla. — ^Native about Hudson's Bay (Pursh.) A 

 species with numerous blue fls. Stem about a span high, -j- (0. nitida Ait.) 



3 C. rotundifolia L. Haee Bell. St. weak, slender ; radical lvs. ovate ,or 

 reniform-cordate ; cauline, linear, entire; fls. few, nodding. — Kne and delicate, 

 with blue, bell-shaped fls. On damp rocks, rooky streams, N. States and Brit. 

 Am. St. a foot or more high, smooth. The root lvs. generally decay on the 

 opening of the flowers, so that a specimen with these (7 to 10" by 4 to 1") is 

 rather rare. Oauline lvs. smooth, linear, 2' long and scarcely a line in width. 

 Fls. terminal, in a loose panicle, drooping. Root creeping, perennial. Jn., Jl. 



4 C. persicifolia L. St. ahgular, erect ; lvs. rigid, obscurely crenate-ser- 

 ra.te, radical oblong-obovate, cauline lance-linear ; fls. large, broadly campanulate. 

 — A beautiful species, native of Europe, with very large, blue (varying to white) 

 flowers. Corolla about 1' broad, f 



