Limnanthemum.] | xcvtt. GENTIANACER. (C. B. Clarke.) 131 
Western Hmaraya ; Kashmir; Jacquemont, Falconer.—DisrRiB. Europe, N, Asia, 
and N. America, the Caucasus, Amurland and Japan. 
Stems covered by lax sheathing of petioles, the lower leafless. Petioles 3-8 in. ; 
leaflets subsessile, 2 by lin. Peduncle 3-6 in.; raceme 1-6 in. ; pedicels j-3 in. 
Sepals Pin. Corolla 4-4 in. Style lin. Capsule 1—] in., sometimes bifid nearly to 
the base. Seeds $in. 
15. LIMNANTHEMUM, S. P. Gne. 
Aquatic herbs. Leaves deeply cordate, entire or sinuate, alternate or sub- 
Opposite. .Peduncles clustered at the nodes; flowers white or yellow. Sepals 
5-4, oblong. Corolla rotate, deeply 5—4-fid; tube often with glands opposite 
the lobes, sometimes hairy in the throat; lobes valvate in bud, ciliate, fimbriate 
or with an oblong longitudinal fold down their middle. Stamens 5-4, on the 
corolla-tube, filaments linear short; anthers hastate-oblong, versatile. Ovary 
l-celled, placentae not intruded; style short, stigma of 2-3 plates. Capsule 
ovoid or oblong, subindehiscent. Seeds numerous, orbicular, compressed, either 
slightly marginate, or nearly flat discoid; testa close, somewhat spongy finely 
reticulated, sometimes covered with papillose glands.—Species 14, in fresh 
water, throughout the Tropical and Temperate Zones. 
l. L. nympheoides, Link Fl. Portug. i. 944 ; leaves orbicular deeply 
cordate, umbels axillary, corolla yellow lobes crenulate-ciliate, capsule 1 in., 
seeds large discoid. Griseb. Gentian. 341, and in DC. Prodr. ix. 138; Boiss. 
Fl. Orient. iv. 65. Menyanthes nymphzoides, Linn.; Engl. Bot. t. 217; 
Gaertn. Fruct. ii. 157, t. 114. Villarsia nymphzeoides, Vent. Choir. n. 9. 
WzsrERN Hmaraya; Kashmir, alt. 6-9000 ft., Falconer, &c.—DisrRip. From W. 
and Central Europe to China. . 0n 
Stems long, floating, rooting at the nodes. Leaves subopposite, 1-2 in. diam.; 
petiole 1-2 in. Pedicels 1.4 in. Calyz-lobes 5, 1 by} in. Corolla-lobes 3-1 in., 
without any longitudinal fold down the middle, sparingly ciliate. Capsule ellipsoid, 
Acute, scarcely dehiscent. Seeds 4 in. diam., lenticular, ellipsoid, winged. 
2. L. cristatum, Griseb. Gentian. 342, and in DC. Prodr. ix. 139 ; leaves 
orbicular deeply cordate, pedicels densely fascicled at the nodes, corolla white 
yellow towards the base within lobes 5-6 entire with a longitudinal fold down 
the middle, capsule 1 in., seeds numerous scabrous. Wight IU. t. 157, bis fig. 4; 
Dalz. & Gibs, Bomb, Fl. 158; Thwaites Enum. 205. Menyanthes cristata, 
Roxb. Cor, Pl, i. 3, t. 105, and FI. Ind. ii. 98. Villarsia cristata, Spreng. 
Syst. i. 582; Wall. Cat. 4353; Wight in Hook. Journ. Bot. i. 65, t. 123; Grif. 
Jotul, iv. 88, t. 386 A. V. indica, Wall. Cat. 4352 A. a.—Rheede Hort. Mal. 
Throughout Inpra ; very common.—DıstRIB. S. China. , 
Stems long, floating, rooting at the nodes. Leaves 1-3 in. diam. ; petiole often 
HI in. Pedicels 0-2 in., numerous, unequal. Colyr-lobes } by 3; in. Corolla-lobes 
i in. ; tube with a ring of white hairs round the throat. Stigma 2-4- (often 3-) 
ridged ; Placental lines 2-3. Capsule subglobose, 10-20-seeded. Seeds 4; in., cir- 
cular, very thick, lenticular, margins subacute, scabrous. 
3. L. indicum, Thwaites Enum. 905 ; leaves orbicular deeply cordate, 
Pedicels densely fascicled at the nodes, corolla white yellow towards the base 
Within, lobes fimbriated densely papillose without a longitudinal fold down ms e 
A e, capsule 1-1 in., seeds numerous smooth or nearly so. Dalz. j^ ^ 
omb. Fl. 158; Benth, Fl. Austral. iv. 378, with all syn. (except Bot. Mag. t. 
858) ; Boiss, Fl. Orient. iv. 65; Griseb. Gentian. 343, and in DC. Prodr. ix. 
1395. L. Kleinianum, Griseb. Gentian. 344, and in DC. Prodr. ix. 130; Seem. 
