19S APOCYNEjE GENTIAXEJE. 
*2. V. major (L.) ; st. somewhat ascending, 1. ovate acute or 
subcordate, their margins as well as those of the elongate-subu- 
late calyx-segments ciliated. — E. B. 514. — St. at first ascending, 
afterwards prostrate and rooting, flowering shoots erect. Fl. 
large, purplish-blue. — Hedges and thickets, naturalized. P. IV. 
V. Greater Periwinkle. E. S. ? I. ? 
Order LIT. GENTIANE/E. 
Cal. inferior, persistent. Cor. regular, 4 — 8-fid, hypogynous, 
marcescent ; restivaticn imbricate-twisted. Stain, inserted on 
the cor., as many as the segments. Ovary of 2 carpels with 
the edges slightly inflexed or meeting. Caps, or berry many- 
seeded, generally 2-valved. 
Subord. I. TRUE GENTIAN E^E. ^Estivation of the corolla 
twisted. L. opposite. 
* Style deciduous. 
Tribe I. CHLOREJE. Corolla rotate. 
1. Chlora. Cal. 8-parted. Cor. nearly rotate, 8-parted. 
Stam. 8. Style 1. Stigma 2 — 1-cleft. Caps. 1 -celled, pla- 
centas on the inflexed margins of the valves. 
Tr. II. ERYTHR/E/E. Corolla funnelshaped. 
2. Erythiuea. Cal. 5-fid. Cor. funnelshaped, limb short 
5-fid. Stam. 5. Anth. erect, at length spirally twisted. 
Style simple, stigmas 2. Caps, imperfectly 2-celled from 
the inflexed margins of the valves. 
3. Cicendia. Cal. 4-lobed, tubular. Cor. funnelshaped, 
limb short 4-fid. Stam. 4. Anth. erect, not twisted. 
Stigma capitate, undivided. Caps. 1-or imperfectly 2-celled. 
** Style persistent or stigma sessile. 
Tr. III. SWERTIsE. Style often wanting, stigma persistent. 
4. Gentiana. Cal. 4 — 5-cleft. Cor. funnel- or salvershaped, 
limb 4 — 5-cleft. Stam. 4 — 5. Stigmas 2. Caps. 1 -celled, 
seeds on the indexed margins of the valves. 
Subord. II. MENYANTHIDEjE. ^Estivation of the corolla 
induplicate. L. alternate. 
5. Villarsia. Cal. 5-parted. Cor. rotate ; limb 5-parted, 
smooth on the disk, bearded or scaly at the base. Stam. 5. 
Stigma with 2 toothed lobes. Caps. 1-celled with sutural 
placentas, 2-valved (in our plant), not bursting. 
