288 ERicACE^. (heath family.) 



flowers numerous on the branches of the large compound panicle, cali/x-lobes awl- 

 shaped, about half the length of the pale-blue small corolla (of 3" long) ;. stj/le 

 protruded. — Dry woods and rocks, mountains of Virginia, Kentucky, and 

 southward. 



■t- H- Flowers numerous and 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. — Moist rich soil, New York to Wisconsin, and south- 

 ward. — Spike 1° - 2° long. Corolla light blue, 1' broad. 



* European species escaped from gardens into roadsides ; both perennials. ■ 



5. C. GLOMEKiTA, L. (Clustered B.) Somewhat hairy, stout and erect, 

 1° high; stem-leaves oblong or lanceolate, cordate-clasping; flowers sessile, 

 clustered in the upper axils, forming a leafy head ; corolla open-beU-shaped, I' 

 long. — Danvera, Mass., &c. (Adv. from Eu.) 



6. C. rapunculoIdes, L. Smoothish, slender, erect ; stem-leaves ovate- 

 lanceolate, pointed, the lower long-petioled and heart-shaped ; flowers nodding, 

 single in the axil of bracts, forming racemes ; coroUa oblong, 1' long. — E. Mas- 

 sachusetts ; and Richfield Springs, New York, G. W, Clinton. {Adv. from Eu.) 



2. SPECULAKIA, Heister. Ventts's Looking-glass. 



Calyx 5- (or 3 -4-) lobed. CoroUa wheel-shaped, 5-lobed. Stamens 5, sepa- 

 rate ; 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 earlier flowers in the American species (^ Triodallus, 

 Eaf.) minute and fruiting precociously in the bud, without expanding their im- 

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

 European species.) 



1. S. perfoli&ta, A. DC. Somewhat hairy (3' - 20' high) ; leaves round- 

 ish or ovate, clasping by the heart-shaped base, toothed ; flowers sessile, solitary 

 X)r 2 - 3 together in the axils ; the upper or later ones only with a conspicuous 

 and expanding (purple-blue) corolla ; pod oblong, opening rather below the 

 middle. — Sterile open ground : common. May - Aug. 



Order -56. ERIcACEiE. (Heath Familt.) 



Shruhs, sometimes herbs, loith the flowers regular or nearly so : the stamens 

 as many or twice as many as the 4 - b-lohed or i- 5-petalled corolla, free 

 from hut inserted with it : anthers 2-celled, commonly appendaged or open- 

 ing by terminal cJiinks or pores, introrse (except in Suborder 3) : style 1 : 

 ovary Z- Id-celled. Pollen compound, of 4 united grains, except in Sub- 

 order 4. Seeds small, anatropous. Embryo small, or sometimes minute, 

 in fleshy albumen. — A large family, very various in many of the charac- 

 ters, comprising four well-marked suborders, as follows : — 



