244 campanulacejE. (campanula family.) 



* Flowers panided {or rarely solitary), long-pedunded : pods nodding. 



1. C. rotundifolia, L. (Harebell.) Slender, branching (S'-I2' 

 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 ; caiyx-tobes awl-shaped, varying from i to | the 

 length of the bright-blue corolla. U — Eocky shaded banks; common north- 

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

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

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



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

 varying from heart-shaped to ovate-lanceolate ; corolla |'-1' long. (C. linifo- 

 lia. Lam.) — Shore of Lake Huron, Lake Superior, and northwestward. (Eu.) 



2. C. aparinoldes, Pursh. (MaksS Bellplowee.) Stem simple 

 and slender, ujealc (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, l).'? (C. erinoides, Muhl.) — 

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

 habit of a Galium ; the corolla barely J' 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 (i') corolla; style protruded. 

 U. — Dry woods and rocks, mountains of Virginia, Kentucky, and southward. 

 July - Sept. 



* # Flowers 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 Bellflowek.) Stem mostly simple 

 (30 -6° high) ; leaves ovate and ovate-lanceolate, taper-pointed, serrate, mostly 

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

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

 southward. Jiily. — Spike l°-2° long. Corolla blue, 1' broad. 



C. Mi:DinM, L., the Cantekeuky Bells, and some other species, are com- 

 mon in gardens. C. glomerAta, L., has escaped from gardens at Danvers, 

 Mass. 



3. SPECUIiARIA, Heist. Venus's Looking-glass. 



Calyx 5- (or 3-4-) lobod. 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 (§ Teiodal- 

 Lus, Eaf ) fruiting precociously in the bud, without expanding their imperfect 

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

 pean species.) 



