244 CAMPANULACE.fi. (CAMPANULA FAMILY.) 



* flowers panided (or rarely solitary), long-pedunded : pods nodding. 



1. C. rotundifolia, L. (HAREBELL.) Slender, branching (5' -12 

 high), 1 -10-flowered; root-leaves round-heart-shaped or ovate, mostly toothed or 

 crenate, long-petioled, early withering away ; stem-leaves- numerous, linear or nar- 

 rowly lanceolate, entire, smooth ; calyx-lobes awl-shaped, varying from to f the 

 length of the bright-blue corolla. 1|. Rocky shaded banks; common north- 

 ward, and along the mountains. July. A delicate and pretty, but variable 

 species, with a most inappropriate name, since the round root-leaves are rarely 

 conspicuous. Corolla ' - 1 ; long. (Eu.) 



Var. liuifolia. Stems more upright and rather rigid ; the lowest leaves 

 varying from heart-shaped to ovate-lanceolate; corolla '-!' long. (C. linifo- 

 lia, Lam.) Shore of Lake Huron, Lake Superior, and. north westward. (Eu.) 



2. C. aparinoides, Pursh. (MARSH BELLFLOWER.) Stem simple 

 and slender, weak (8' -20' high), few-flowered, somewhat 3-angled, rough back- 

 wards on the angles, as are the slightly toothed edges and midrib of the linear-lance- 

 olate leaves ; peduncles diverging, slender ; lobes of the calyx triangular, half the 

 length of the bell-shaped (nearly white) corolla. 1J.1 (C. erinoides, Muhl.) 

 Bogs and wet meadows, among high grass. July. Plant with somewhat the 

 habit of a Galium ; the corolla barely $' long. 



3. C. divaricata, Michx. Very smooth; stem loosely branched (1- 

 3 high) ; leaves oblong-lanceolate, pointed at both ends, coarsely and sharply toothed; 

 flowers numerous on the branches of the large compound panicle, calyx-lobes awl- 

 shaped, about half the length of the pale-blue small (') corolla; style protruded. 

 1|. Dry woods and rocks, mountains of Virginia, Kentucky, and southward. 

 July - Sept. 



* # Fiowers numerous, nearly sessile, crowded in a long more or less leafy spike : 

 corolla almost wheel-shaped, deeply 5-lobed : pods erect. 



4. C. Americana, L. (TALL BELLFLOWER.) Stem mostly simple 

 (3 -6 high) ; leaves ovate and ovate-lanceolate, taper-pointed, serrate, mostly 

 on margined petioles, thin, somewhat hairy (2^' -6' long); the slender style 

 protruded and curved. 1J. Moist rich soil, New York to Wisconsin, and 

 southward. July. Spike l-2 long. Corolla blue, 1' broad. 



C. MEDIUM, L., the CANTERBURY BELLS, and some other species, are com- 

 mon in gardens. C. GLOMERATA, L., has escaped from gardens at Danvcrs, 



2. SPECUL.ARIA, Heist. VENUS'S LOOKING-GLASS*. 



Calyx 5- (or 3-4-) lobed. Corolla wheel-shaped, 5-lobed. Stamens 5, sep 

 arate ; the membranaceous hairy filaments shorter than the anthers. Stigmas 

 3. Pod prismatic or elongated-oblong, 3-celled, opening by 3 small lateral 

 valves. Low annuals ; the lower flowers in the American species ( TRIODAL- 

 LUS, Raf.) fruiting precociously in the bud, without expanding Lheir imjierfect 

 corolla. (Name from Speculum Veneris, the early name of the common Euro- 

 pean species.) 



