1 84 GentianacecE. [Canscora. 



winged, 1. few, opp., upper ones smaller and bractlike ; fl. 

 moderate-sized, in large lax cymose inflorescence; cal. tubular, 

 segm. 4, short, acuminate, sometimes winged on back ; cor. 

 irregular, apparently 3-lobed or somewhat 2-lipped, the upper 

 lip of 2 rounded broad lobes, the lower of 2 narrower ones 

 connate nearly to apex ; stam. 4, i only usually fertile and 

 inserted somewhat higher in the cor.-tube between the 2 

 narrower cor.-lobes ; ov. i -celled, placentas 2, with numerous 

 ovules, stigmas 2 short; capsule septicidally 2-valved ; seeds 

 minute, polyhedral. — Sp. 14; 12 in F/. B.Ind. 



Cal. not winged. 



None of the leaves connate at base. 



Fl. pedicellate i. C. DIFFUSA. 



Fl. sessile 2. C. sessiliflora. 



Uppermost pairs of leaves connate . . .3. C. Roxburghii. 

 Cal. 4-\vinged 4- C. decussata. 



I. C. diflfusa, Br. Prod. Fl. Nov. Ho II. 451 (1810). 

 Exacum dijfftisum, Willd., Moon Cat. 11. Thw. Enum. 204. C. P. 

 2841. 



Fl. B. Ind. iv. 103. Wight, Ic. t. 1327, f. 3 (C. tenella). 



Stem 10-15 in., slender, much branched, glabrous; 1. few, 

 lowest ones about \ in., sessile, ovate-oval, acute or obtuse, 

 upper ones much smaller, linear ; fl. on long slender ped., 

 cymes large, lax, diffuse ; cal. strongly striate, segm. not 

 winged, short, acuminate, very acute; cor.-lobes obtuse, cap- 

 sule oblong, as long as cal., valves recurved. 



Grassy places up to 4000 ft.; rather rare. Pusselawa ; Hantane; 

 Bintenne. Moon's locality is Jaffna. Fl. October. 



Also in India, Malaya, E. Trop. Africa, and Trop. Australia. 



2. C. sessiliflora, R. &^ S. Sysi. iii. Mani. 230 (1827). 

 ExacHin heierociihan, Willd., Moon Cat. 1 1. Thw, Enum. 204. 

 C. P. 3581. 



Fl. B. Ind. iv. 104. 



Stem 3-9 in., branched above, wings wide; 1. few, lowest 

 ones broadly ovate-oval, obtuse, sessile, upper ones very small, 

 linc.u-; fl. sessile, cymes large, diffuse; cal. striate, not winged, 

 segm. short, linear-lanceolate, very acute; cor.-lobes rounded, 

 obovate. 



Dry country; rather rare. Jaffna; Batticaloa; Trincomalie; Seven 

 Korales. Fl. Oct.-Feb.; rose-coloured. 



Also in S. India. 



