GENTIANE.E. 
36 Rosríwi4. 
a succulent berry. 
37 EnvrümEA. Calyx 5-cleft. Corolla funnel-shaped : with 
a short 4-5-parted limb. Anthers spiral in the old state. Style 
erect. Stigmas 2, roundish. 
38 SasBa ria. Calyx 5-parted. Corolla with an urceolate 
tube, and a 5-12-parted limb. Stigmas 2, spiral. Anthers at 
length revolute. 
All as in Chirénia, but differs in the fruit being 
Sus-rusr IV. Lista’ntnem. Capsule 2-celled, in conse- 
quence of the margins of the valves being bent into the central 
column ; margins of valves placentiferous. 
the old state. 
39 Lista’ntuus. Calyx campanulate, 5-cleft. Corolla fun- 
nel-shaped ; tube ventricose on one side; limb equal, 5-cleft. 
Anthers sagittate, incumbent, revolute in the old state. Style 
elongated; stigma bilamellate. Seeds small, angular. 
40 Irtza‘cuta. Calyx campanulate, 5-cleft. Corolla funnel- 
shaped, equal, 5-cleft. Anthers revolute when old. Lobes of 
stigma cylindrical. Seeds angular, small. 
41 Sympoxa’NTHUs. 
Anthers changed in 
Calyx 5-parted, pentagonal. Corolla 
salver-shaped, 5-parted ; tube cylindrical; segments fringed. 
Stamens having a small crenulated, ring-formed membrane at 
the base of the filaments. Anthers sagittate, but at length con- 
volute. Lobes of stigma linear-oblong, flat. 
42 Ev'sroma. Calyx 5-parted; having the segments more 
or less winged on the back. Corolla funnel-shaped, 5-cleft ; 
tube contracted a little at apex. 
pressed; anthers rather sagittate. 
Seeds scobiform. 
Stamens 5; filaments com- 
Stigma deeply 2-lobed. 
Tre II. 
Capsule 2-celled; margins of valves inflexed, in- 
serted in the central placentas, which are at length free and bear 
the seeds. 
48 Srpz‘a. Calyx 4-5-parted; segments keeled or winged. 
Corolla 4-5-cleft. Stamens exserted ; anthers dehiscing length- 
wise, when old recurved and callous at the apex. Stigmas 2. 
44 E’xacum. Calyx campanulate, 4-cleft; segments winged 
on the back. Corolla subrotate, 4-cleft. Stamens 4, declinate ; 
filaments terete; anthers oblong, sub-tetragonal, emarginate at 
the base, erect, dehiscing by a chink at apex. 
Stigma clavate, undivided. 
45 MicRocA'Lr. Calyx deeply 4-cleft. Corolla salver- 
shaped, with a swelling tube and a 4-cleft limb. Stamens 4, 
filiform, erect: anthers oblong. Style declinate ; stigma capi- 
tate, undivided. Capsule imperfectly 2-celled. 
Tre IHI. 
DzsrowTrAmNiE E. Berry 1-celled, many-seeded ; with 4-5 pa- 
rietal septiform placentas, hence the berry appears many-celled ; 
placentas with reflexed seminiferous sides. Seeds disposed nith- 
out order, erect, obovate, angular, with an umbilicus at the base, 
and a dilated chalaza at top. Albumen fleshy, white.—Ever- 
green shrubs, with spiny-toothed leaves, and solitary, terminal, 
pedunculate flowers. Peduncles bibracteate. 
46 Dersrontanta. Calyx 4-5-parted; with nearly equal 
T9 
ExaciE'x. 
Style declinate. 
I. SWERTIA. 
175 
obtuse segments. Corolla tubular, cartilaginous; with a 4-5- 
lobed limb; lobes roundish, retuse. Stamens 4-5.  Anthers 
erect, innate, 2-celled, inserted each in a large, fleshy connective ; 
cells dehiscing lengthwise. 
+ A genus hardly known. 
47 Parra Dia. Corolla funnel-shaped ; limb of 8 segments ; 
tube furnished with 8 plicze. Capsules 2, club-shaped. Stigmas 
2, spreading. Seeds small, roundish, fixed to spongy receptacles. 
Trise I. 
GzNriANIEVE. Capsule 1-2-celled, 2-valved; margins of valves 
placentiferous. Seeds usually disposed in two rows, on each side 
of the valves. 
SUB-TRIBE I. GENTIA`NEÆ-VE`RÆ. (This tribe is supposed to 
contain the legitimate species of the genus.) Capsule 1-celled, 
2-valved. Margins of valves bearing the seeds. Anthers re- 
maining unchanged in the old state. 
I. SWERTIA (so named by Linnzus after Iman Sweert, 
a cultivator of bulbs and flowers, in Holland ; author of Flori- 
legium, Francof. 1612. fol.). Lin. gen. no. 321. Schreb. 449, 
Juss. 142. Gaertn, fruct. 2. p. 160. t. 114. Lam. ill. t. 109. 
Lin. syst. — Tetra-Pentándria, Monogynia. Calyx deeply 
4-5-parted. Corolla rotate, 4-5-parted; segments furnished 
with 2 callous scrobicles at the base of each, which are fringed 
on the edges. Stamens 4-5; filaments subulate, flattened, gla- 
brous, dilated at the base; anthers incumbent, dehiscing length- 
wise, loosened at the base. Style very short. Stigmas 2, sub- 
orbiculate, flattened, minutely papillose above, with revolute 
edges. Capsule l-celled, 2-valved. Seeds compressed, mar- 
ginate, fixed to the edges of the valves.—Usually glabrous 
herbs. Leaves opposite, rarely alternate, quite entire, nerved. 
Flowers terminal, pedunculate, almost solitary, or racemosely 
panicled, blue or yellowish. 
$ 1. Pentámera (from reve, pente, five, and epic, meris, a 
part; parts of the flowers). Calyx 5-parted. Corolla 5-cleft. 
Stamens 5. 
1 S. pere’nnis (Lin. spec. 328.) glabrous: stems erect, and 
are, as well as peduncles, tetragonal; leaves almost all radical, 
ovate or elliptic, obsoletely nerved; racemes panicled, terminal ; 
segments of corolla acute.  2[. H. Native of Germany, 
Austria, France, Caucasus, and Siberia; and of North Wales. 
Jacq. austr. 243. Smith, engl. bot. t. 1441. Pall. ros. 2. p. 
98. Gentiàna paniculata, Lam. fl. fr. 2. no. 333. — Gentiàna 
palüstris, All. ped. no. 267.— Hall. helv. no. 636.— Barrel. icon. 
t. 91.—Morr. his. sect. 12. t. 5. f. 11. Calycine segments su- 
bulate. Corolla of a greyish purple colour; segments elliptic, 
acute, dotted with black, having the edges of pores bristly. 
Margins of valves bearing a double row of seeds. Plant very 
bitter. Cauline leaves opposite.  Bracteas elliptic, oblong. 
Perennial Felwort. Pl. July, Aug. Pl. 1 foot. 
2. S. optu'sa (Led. act. petrop. 5. p. 526. fl. alt. 1. p. 290. 
Rchb. pl. crit. 5. p. 11. t. 419. f. 605.) glabrous; stems erect, 
and are, as well as the peduncles, tetragonal; leaves scattered, 
all oblong, 5-nerved, somewhat coriaceous, obtuse; flowers ra- 
cemose; segments of corolla obtuse, dotless, and erose at the 
apex; cilia of nectary very long and loose; filaments pilose 
at the base. Native of Siberia, in sub-alpine humid places. 
S. perénnis Pall. itin. 2. p. 568. S. perénnis, f alternifolia, 
Schlecht. in Linnza. 2. p. 189-190. Stem bluish-green, tetra- 
gonal. Lower cauline leaves petiolate, oblong. Bracteas, and 
pedicels bluish. Corolla violaceous. 
