Cephalanthus. nVBlACEM. ■ 31 



Subtribe 3. Cephalanthe^, DC. — Flowers and fruit sessile and densely 

 aggregated on a globose receptacle. Fruit dry, 2-4-partible. 



6. CEPHALANTHUS. Lirin. ; Lam. ill. t. 59 ; Gcertn.fr. t. 86. 



Calyx-tube obpyramidal ; the limb 4-toothcd. Corolla tubular, slender; 

 the lobes of the 4-clpft limb erect, imbricate in sBstivation. Stamens 4, 

 scarcely exserted. Style filiform, much exserted : stigma capitate. Fruit 

 inversely pyramidal, coriaceous, 2-4-celled, separating from the base to the 

 summit into 2-4 closed one-seeded portions. Seeds pendulous, conformed to 

 the cell, crowned with a kind of corky arillus. Embryo straight, in the 

 axis of somewhat cartilaginous albumen : cotyledons oblong, foliaceous : 

 radicle slender. — Shrubs (American) ; with oval or lanceolate (opposite or 

 ternate) leaves. Stipules short, distinct or somewhat united. Flowers 

 densely aggregated in a globose head (the receptacle hairy) : the peduncles 

 terminal and from the upper axils. Corolla white. — Button-Bush. Pond- 

 Dogicood. 



1. C orarfenteZis (Linn.) : mostly glabrous; leaves opposite and ternate, 

 ovate or oblong-oval, acuminate, distinctly petioled, usually glabrous ; pe- 

 duncles longer than the heads, usually ternate at the extrenjity of the 

 branches. — Michx. ! fl. \. p.Sl ; '■'■Ditham. arb. t. 54, SchAuhr. liandh. t. 

 21, Sft. 5. (^-e./r." ; Pursh. fl. 1. p. 114,- Ell. sk. l.p. 186 ; Ton:! fl. 1. p. 

 164; Bart. Ji. Amer. Sept. 3. t. 91 ; Darlingt.ji. Cest. p. 98 ; DC. pirodr. 4. 

 p. 538. 



(i. younger branches and lower surface of the leaves pubescent. 



Margin of swamps and wet thickets, Canada ! and Northern States ! to 

 Georgia! Arkansas! and Texas ! (the northern plant usually glabrous; the 

 southern more or less pubescent.) July-Aug. — Shrub 3-10 feet high, 

 branched, with light spongy wood, and smooth bark. Leaves 3-5 inches 

 long, more frequently opposite than ternate, feather-veined. Heads an inch 

 in diameter, on ])eduncles about 2 inches long. Cal3'x-tube produced above 

 the ovary ; the teeth obtuse, persistent. Corolla nearly half an inch Jong ; 

 the limb somewhat funnel-form ; the lobes obtuse. 



Tribe IL COFFEEiE. DC. 



Fruit drupaceous, containing 2 one-seeded bony or crustaceous 

 nucules ; which are flattish or grooved on the inner side, and often 

 marked witli a furrow on the outer. Albumen horny or somewhat 

 cartilaginous. Estivation of the corolla usually valvate. — Trees or 

 shrubs. Stipules 2 between the petioles on each side, either distinct 

 or combined. Flowers distinct, or in capitate involucrate fascicles. 



7. CHIOCOCGA. P. Broivne, Jam. p. 174; Linn.; Lam. ill. t. 480; 

 Gccrtn. fr. t. 26 ; A. Ilich, mem. I. c. p. 106 ; DC. prodr. 4. p. 482. 



Calyx-tube ovate; the limb acutely 5-toothcd. Corolla campanulate-in- 

 fundibulilbrm, 5-lobed ; the lobes spreading. Stamens 5: filaments in- 

 serted into the base of the corolla, and scarcely cohering with it, somewhat 

 monadelphous, pubescent: anthers linear, included. Style filiform, some- 



