GENUS i. 



BELLFLOWER FAMILY. 



2. Campanula rotundifolia L. Harebell. 

 Blue Bells of Scotland. Fig. 4016. 



Campanula rotundifolia L. Sp. PI. 163. 1753. 

 Campanula rotundifolia velutina DC. Fl. France 



6: 432. 1815. 

 C. linifolia var. Langsdorfiana A. DC. Prodr. 7 : 



471. 1839. 

 Campanula rotundifolia Langsdorfiana Britton, 



Mem. Torr. Club 5 : 309. 1894. 



Perennial by slender rootstocks, glabrous or 

 nearly so or sometimes pubescent or canes- 

 cent ; stems erect or diffuse, often several 

 from the same root, simple or branched, 6'-3 

 high. Basal leaves nearly orbicular or broadly 

 ovate, usually cordate, slender-petioled, i'-i' 

 wide, dentate or entire, often wanting at flow- 

 ering time ; stem leaves linear or linear-oblong, 

 acute, mostly entire, sessile, or the lower nar- 

 rowed into short petioles and somewhat spatu- 

 late ; flowers several or numerous, racemose or 

 sometimes solitary, drooping or spreading, 

 slender-pedicelled ; calyx-lobes subulate to fili- 

 form, spreading, longer than the short-turbi- 

 nate tube ; corolla blue, campanulate, 7" 12" 

 long; capsule obconic or ovoid, pendulous, 

 ribbed, opening by short clefts near the base. 



On moist rocks and in meadows, Labrador to Alaska, south to New Jersey, Pennsylvania, Illi- 

 nois, Nebraska, in the Rocky Mountains to Arizona and in the Sierra Nevada to California. Also 

 in Europe and Asia. Consists of many races, differing in pubescence, number and size of flowers ; 

 arctic and alpine plants are usually i-few-flowered. Other English names are thimbles, lady's- 

 thimble, heath- or witches'-bells, round-leaved bellflower. June-Sept. 



Campanula patula L., which is retrorse-scabrous on the stems and leaf-margins and nerves, 

 the basal leaves obovate to spatulate, has been found in fields in Connecticut, introduced from 

 Europe. _ 



3. Campanula rapunculoides L. Creep- 

 ing or European Bellflower. Fig. 4017. 



Campanula rapunculoides L. Sp. PI. 165. 1753. 



Perennial by slender rootstocks ; stem gla- 

 brous or pubescent, simple or rarely branched, 

 leafy, erect, rather stout, i-3 high. Leaves 

 pubescent or puberulent, crenate-denticulate, 

 ovate or ovate-lanceolate, acute or acuminate, 

 the lower and basal ones mostly cordate, 3'-6' 

 long, i '-2' wide, slender-petioled, the upper 

 short-petioled or sessile, smaller ; flowers short- 

 pedicelled, drooping, i'-ii' long in an elon- 

 gated bracted i-sided raceme; corolla campan- 

 ulate, blue to violet, rather deeply S-lobed, 

 much longer than the linear spreading calyx- 

 lobes; capsule globose, nodding, about 4' in 

 diameter, opening by pores near the base. 



In fields and along roadsides, New Brunswick 

 to Ontario, southern New York, Pennsylvania and 

 Ohio. Naturalized from Europe. July-Sept. 



4. Campanula Trachelium L. Nettle-leaved Bell- 

 flower. Fig. 4018. 



C. Trachelium L. Sp. PI. 166. 1753. 



Perennial ; stem rather stout, little branched, usually 

 bearing scattered hairs, 3 high or less; basal leaves 

 sparingly bristly-pubescent, ovate to reniform, cordate, 

 slender-petioled ; stem leaves ovate-lanceolate to lanceo- 

 late, coarsely irregularly serrate, 2i'-s' long, acute or 

 acuminate at the apex, narrowed at the base, short- 

 petioled or the upper sessile; flowers nodding in termi- 

 nal leafy-bracted racemes; calyx bristly-hairy or gla- 

 brate; corolla campanulate, i'-ii' long; capsule opening 

 by basal pores. 



Roadsides and thickets, Quebec to southern New York and 

 Ohio. Naturalized from Europe. Canterbury bells. July-Sept. 



