94 XCVII GENTIANACEX. (CO. B. Clarke.)  [Cotylanthera. 
below ; anthers oblong. Disc of 5 glands at the base of the ovary or 0. Ovary 
superior, 1-celled, or rarely only the placente intruded and meeting ; style short 
or linear, simple, stigmas 2 small; ovules numerous. Capsule membranous, 
rarely fleshy and berried. Seeds numerous, small, sometimes winged ; albumen 
copious.—Species 520, throughout the globe, more abundant in mountainous 
regions, 
TRIBE I. Bxaceæ. Leaves opposite. Corolia-lobes twisted to the right. 
Ovary completely 2-celled. Style filiform. 
Leafless parasites, anthers dehiscing by terminal pores. . . 1, COTYLANTHERA. 
Corolla blue, purplish or white . . . . . . . . . . . 2. EXACUM. 
Corolla yellow, anthers dehiscing by longitudinal slits . . . 3. SEBÆA. 
TRIBE II. Chironiege. Leaves opposite. Corvila-lobes twisted to the 
right. Ovary l-celled. Style filiform. 
Flowers regular in axillary clusters . . . . . . . . . 6. ENICOSTEMA. 
Flowers regular panicled or terminal subeapitate . . . . . 6. ERYTHRÆA. 
Flower irregular, stigma scarcely divided, minute herbs. . . 4. HOPPEA. 
Flower irregular, stigmas 2 EM 7. CANSCORA. 
Trige II. Swertiew. Leaves opposite, rarely alternate. Corolla-lobes 
twisted or imbricate. Ovary l-celled. Style short, rarely elongate. 
* Corolla without pits or depressions near the base of its lobes (viscid spots oF 
hairy glands sometimes present). 
Twiners, corolla tubular-campanulate . . . 8. CRAWFURDIA. 
Corolla tubular-campanulate, stamens attached on the tube. . 9. GENTIANA. 
Corolla tubular-campanulate, stamens attached between its 
lobes . . . . . . . ... . . . . . ew . . . o 10. JAESCHKEA. 
Corolla rotate, stamens attached at its base. . . . . . . 11. PLEUROGYNE. 
"n. Corolla with 1 or 2 depressions pits or spurs near the base of each of üs 
lobes. 
Depressions or pits of the corolla shallow. . . . . . . . 12. Swertta. 
Pits of the corolla prolonged into spurs . + . 18. Havent. 
TRIE IV. Menyanthew. Aquatic herbs, leaves radical or alternate. 
Corolla-lobes induplicate-valvate in the bud. 
Leaves 3-foliolate. . . . . . . . . . . . . . . . 14. MENYANTHES. 
Leaves simple, cauline deeply cordate. . . . . . . . . 15. LIMNANTHEMUM. 
l. COTYLANTHERA, Blume. 
Parasitic, small, glabrous herbs. Leaves scale-like, opposite. Flowers 
solitary or few, terminal. Calyx deeply 4-lobed. Corolla rotate; lobes 4, 
oblong. Stamens 4, on the corolla-tube, filaments linear; anther-cells oblong; 
slightly curved, dehiscing by 1-2 terminal pores. Ovary completely 2-celled ; 
jlacentze large; style filiform, stigma small capitate. Capsule globose, septic! 
ally 2-valved. Seeds numerous.—Species 3, in the Himalaya, Java, an 
Ladrone Islands. 
1. C. paucisquama, Clarke in Herb, Calcutta; pairs of scales on the 
stem 1-2 only. 
Srxxm ; alt. 6000 ft., King. 
Stem 2-4 in., white, fleshy. Leaves è in., elliptic, white. Calyz-lobes d in., oblong, 
white. Corolla-lobes 4 in., linear-lanceolate, dark blue. Filaments j-à in. Anthers 
