ERICACE^. (heath FAMILY.) 309 



Var. velutina, DC, has the whole herbage canescently pubescent. — 

 Saud-hills of Hurt Lake, Mich. {E. J. Hill). 



2. C. aparinoides, I'ursh. (Marsh Bkllflower.) Stem simple and 

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

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

 leaves; peduncles diverging, sleuder; lobes of the calyx triangular, half the 

 length of the bell-shaped nearly white corolla ; capsule erect. — Wet grassy 

 grounds, tlirougliout our range. With somewhat the habit of a Galium. 



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

 liigh) ; 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 (3" 

 long) ; style exserted. — Dry woods and rocks, mountains of Va., E. Ky., and 

 southward. 



* * Style declined and upwardly curved, much longer than the rotate corolla; 

 openings of the capsule close to the summit ; inflorescence spicate. 



4. C. Americana, L. (Tall Bellfloweh.) Annual; stem mostly 

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

 mostly on margined petioles, thin, somewhat hairy (2| - 6' long) ; spike 1-2° 

 long; corolla light blue, 1' broad. — Moist rich soil, western N. Y. to Minn., 



.south to Ga. and Ark. 



Order .58. ERICACE^. (Heath Family.) 



Shi'uhs, sometimes herbs, with the ^/lowers regular or nearly so, stamens 

 as many or twice as many as the 4 - 5-lobed or 4 - b-petallcd corolla, free 

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

 ing by terminal chinks or pores, introrse (except in Suborder 3); style 1 ; 

 ovary 3-10-celled. Pollen compound, of 4 united grains (except in Sub- 

 order 4). Seeds small, anatropous. p]mbryo 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 : — 



Suborder I. Vacciiiiece. (Whortleberry Family.) Calyx- 

 tube adherent to the ovary, which forms an edible berry or berry-like 

 fruit, crowned with the short calyx-teeth. Anther-cells opening at the 

 apex. — Shrubs or somewhat woody plants, with scaly buds. 



]. Gaylussacia. Ovary 10-celled, with a single o\'ule in each cell. Fruit a berried drupe 

 with 10 small seed-like nutlets. 



2 Vaccinium. Berry 4 - 5-celled (or imperfectly 8 - 10-celled by false partitions), many- 



seeded. Anther-cells tapering upward into a tube. 



3 Chiogenes. Berry 4-celled, many-seeded, its summit free. Anther-cells not prolonged 



into a tube, but each 2-pointed. Slender trailing evergreen. 



SuBORDKR TI. Ericinese. (Heath Family proper.) Calyx free 

 from the ovary. Corolla gamopetalous, rarely polypetalous, hypogynous. 

 — Shrubs or small trees. 



Tribe I. AKBUTE^E. Fruit indehiscent, a berry or drupe. Corolla deciduous. 



4 Arctostaphylos. Corolla urn-shaped. Drupe berry-like, 5 - 10-seeded. 



