196 ORDER 72. CAMPANULACE^. 



ORDER LXXII. CAMPANULACE^E. BELLWORTS. 



Herbs with a milky juice, alternate leaves, and without stipules. Flower* 

 mostly blue, showy. Calyx superior, generally 5-cleft, persistent. Corolla 

 regular, campanulate, generally 5-cleft, withering, valvate in aestivation 

 Stamens 5, free from the corolla. Anthers distinct, 2-celled. Pollen spheri- 

 cal. Ovary adherent to the calyx, 2 or more celled. Capsule crowned 

 with the remains of the calyx, loculicidal. Seeds many. Figs. 62, 63. 



Calyx tube short. Pod roundish, opening at the sides. Cor. bell or wheel form CAMPANULA.. 1 



g Calyx tube elongated. Pod prismatic, opening at the sides. Corolla wheel- form '.SPECULAF.IA. 2 



Calyx tube short. Pod ovoid, opening at the top. Corolla bowl-form PLATYCODOX. 3 



1. CAMPANULA, Tourn. Calyx mostly 5-cleft. Cor. campanulate, 

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

 5 stamens. Stig. 3-o-cleft. Caps. 3-5-celled, opening by lateral pores. 

 Mostly 1C. Flowers in racemes or spikes, or few and axillary. 



Native or naturalized. a Flowers rotate, deeply 5-lobed No. t 



a Flowers campanulate, few, or scattered Nos. 2 4 



a Flowers funnel-form, crowded above No. 5 



Exotic. b Sepals appendaged at base. Stig. 3 or 5. Corolla bell-shaped. .Nos. 6, 7 



b Sepals not appendaged. Stig. 3. c Corolla bowl-shaped Nos. 8, 9 



c Corolla bell-shaped Nos. 10, 11 



c Cor. rotate-spreading Nos. 12, 13 



1 C. Americana L. Tall, erect; Ivs. ovate-lanceolate, acuminate, uncinately serrate, 



contracted to a winged petiole, veins often ciliate; fls. axillary, senile ; style exsert- 

 ed, decnrved. it Dry copses : common. 2 4f. Fls. 1' broad, spreading, flat. Aug. t 



2 C. rotundlfolia L. Hare-bell. St. weak, slender; radical h-s. ovate or reniform- 



cordate, cauline linear, entire ; flowers few, nodding, bell-shaped and blue. 21 Damp 

 rocks. N. States. If. Very delicate. June, July. Rt. Ivs. seldom found with the fls. 

 8 C. apariiioldes Ph. Stem weak, slender, branching above, triangular, the angles 

 inversely aculeate ; Ivs. lance-linear, subentire ; fls. terminal. 4" long, white. In wet 

 meadows. 1 Iff, leaning on the grass like a Galium. June Aug. 



4 C. dlvarfcsta MX. Glabrous, erect, with slender, divaricate, paniculate branches; 



Ivs. narrow-lanceolate, pointed at each end, sharply dentate : fls. campanulate, pendu- 

 lous on the slender branchlets. Rocky woods. Va., W. and S. 2f. July. 



5 C. glomerata L. St. angular, simple, smooth ; Ivs. lance-oblong, cordate, the lower 



petiolate ; fls. crowded above, cor. funnel-form, violet-blue. Fields, Mass. 2f. t Eu. 

 . AGGREGATA. Flowers pale blue, in a dense head, and other var. are cultivated. 

 G C. MEDIUM. Canterbnry-bfMn. Erect, hispid; Ivs. lanceolate; fls. H'; stig. 5. @Eu. 3f. 



7 C. SPECIOSA. Erect ; Ivs. lance-linear; fls. racemecl, nodding; stig. 3. li Eur. 2f. 



8 C. PYRAMIDALIS. "Smooth, branched ; Ivs. lance-ovate ; fls. broad, racemed. If Eu. 6f. 



9 C. PERSICIFOLIA. Smooth; Ivs. lance-linear, thick ; fls. broad, axillary. V Eur. 3f. 

 IOC. TRACHELIUM. St. angular, hairy ; Ivs. ovate, cord, dentate ; ped. 1-3-tlwd. li Eu. 4f. 

 11C. RAPUNCULOIDES. Rough : Ivs. ovate, pointed ; rac. spicate ; fls. nodding, it Eu. 2f. 



. 12 C. LORETI. St. erect, ang. ; Ivs. obov. to lance-ovate ; cal. hairy: cor. 2' broad. (> Eu. 

 13 C. GARGANICA. St. diffuse; Ivs. cord, -reniform to ovate; fls. small, star-shaped. 2^ Eu. 



2. SPECULARIA, Heist. Calyx 5-lobed, tube elongated. Cor. rotate, 

 5-lobcd. Fil. hairy, shorter than the anthers. Sty. included, hairy. Stig. 

 8. Caps, prismatic, 3-celled, opening laterally in the upper part. F1& 

 axillary and terminal, sessile, erect. 



