CAMPANtJLACE^ — CINCIIONACE^. 131 



4. C. Frinoides- Stem docunil)cnt, difliisc, flcxuoii?, iinglcd by the tlocur- 

 rcnt leaves. Leaves lnneeolate, serrate, decurreiit with niaryins, and midrib 

 reirorsely aculeate. Flowers in panicles, small, solitary, terminal, nodding. 

 Au^just. Mountains. 



Okder LXXII. CINCHOIVACEyE. 



Calyx superior, simple, divided or entire, bracteate. Corolla 

 superior, tubular, with the number of divisions equal to those 

 of the calyx. Stamens 4-5, inserted into the corolla, and al- 

 ternate with the segments. Ovary inferior surmounted by a 

 disk, Z or several celled. Ovules numerous, placentcU central. 

 Style 1. Stigma simple. Fruit dry or succulent. Seeds few 

 or nuinerous. Leaves simple, entire, stipulate. 



Gents L SPERMACOCE. 



Calyi 4-leaved. Corolla funnel shaped with a 4-parted 



limb. Capsules 2-celled with 2 seeds in each cell. 



l.^S. Tenuior. Stein erect, glabrous. Leaves lanceolate, scabrous on 

 the upper surface, /^/ou^er* vcrticillate. Stamens included. Seerfs hirsute. 



2. S. DiODiNA. Stem procumbent, terete, sometimes branching, hirsute. 

 Leaves linear-lanceolate, sessile, finely serrulate, hairy, a membranaceous 

 stipule embracing the base of the leaves, with setaceous segments. Flow- 

 ers axillary, sessile, clustered or solitary. Calyx A leaved. Corolla hairy, with 

 a 3 parted limb. Carpels 2, connate, crowned with the calyx, each 1-seeded. 



White. 0. July — Sept. Poor soils. Common. 



3. S. I.vvoLCCRATA. Stem hirsute- Leaves ovate lanceolate, acuminate, 

 somewhat oblique ; stipules with many setaceous segments. Flowers in ter- 

 minal heads, surrounded with an involucre ; tube long. 



White. O' June — July. Carolina. 



Genus II. DIODIA. 



Calyx 2-lcavcd. Corolla funnel-shaped. Capsule 2-cell- 

 ed, 1 seed in each cell. 



1. D. ViRGixtcA. Stem glabrous, procumbent, slender, nearly terete pur- 

 ple, narrow-lanceolate. Corolla glabrous. Fruit oblong glabrous. 



White. %. May — August. Near Columbia. 



2. D. Tetragona. S/c/71 procumbent, creeping, slightly angled, hairy at 

 the joints. Leave* opposite, oval, or cordate-ovate, joined by stipules ; stipules 

 with subulate, ciliate segments. Flovxrs axillary. Calux 2-leaved, subulate, 

 persistent. Corolla pubescent within. Fruit composeu of 2 connate carpels 

 each containing I seed. 



White. 11-. May— October. Damp soils, very common. 



3. D. HiRSTTA. Stem hirsute, slender, procumbent. Leaves narrow-lan- 

 ceolate, the whole plant hispid. In other respects it resembles the preceding 

 species. 



Genus III. CEPHALANTHUS. 



Flowers in globose heads. Calyx superior, small, 4-clefl. 

 Corolla tubular, 4.clefL Stamens 4. Style exserted. Capsule 

 3-celled, 2-seeded. 



