104 XCVII. GENTIANACEX. (C. B. Clarke.) [Canscora. 
tt Calyx keeled not winged, cyme-branches distinctly winged. 
4. C. sessiliflora, Roem. § Sch. Syst. ii. Mant. 230; leaves ovate, 
flowers in the forks of the cyme sessile. Wall. Cat. 4367 ; Griseb. Gentian. 
153, and in. DC. Prodr. xiv. 64; Clarke in Journ. Linn. Soc. xiv. 430. Gen- 
tiana heteroclita, Linn. Mant. 500. Exacum heteroclitum, Willd. Sp. Pl. 
i. 639. Pladera sessiliflora, Roxb. Fl. Ind. ed. Carey § Wall. i. 416. Centaurium 
malabaricum, Borkh. in Roem. Arch. i. 27. 
S. Deccan Pentysuta; Rottler, Wight, &e. ^ Cevrow, Batticaloa district, not 
common, Thwaites. 
Stem 4-9 in. broadly 4-winged upwards. Leaves } in., sessile, obtuse or sub- 
acute. Cyme with ascending branches; bracts }-} in., narrow; lateral flowers 
usually bracteate, sometimes pedicelled. Calyx 4 in. Corolla-tube 1; lobes i in. 
broadly obovate, rose-coloured. Flowers and. capsules nearly as of C. diffusa, but 
slightly larger. 
ttt Calyx distinctly winged. 
5. C. decussata, Roem. § Sch. iii. Mant. 229; leaves oblong-lanceolate, 
cyme rigidly erect branches 4-winged, calyx-wings narrowly lanceolate, flowers 
white. Wall. Cat. 4364; Griseb. Gentian. 153, and in DC. Prodr. ix. 
ee eT decussata, Roxb. Fl. Ind. ed. Carey § Wall. i. 418; Bot. Mag. 
t. 3066. 
Throughout Innia, ascending to 4000 ft.; from the Himalaya to Burma; abun- 
dant in Bengal Plain. CzvroN, not uncommon.—DisrRis. Madagascar, Bourbon, 
Trop. Africa. 
Stem 4-20 in. 4-winged. Leaves 14 by 2 in., sessile, 3-nerved. Cyme lax; 
flowers in the forks pedicelled. Calyx 4-4 in. Corolla-tube as long as the calyx; 
lobes ł in., obovate, obtuse. Stamens 1 perfect; 3 barren, variously reduced, sub- 
sessile or with filaments. Capsule and seeds considerably larger than in C. diffusa.— 
Exacum alatum, Roth, is reduced here by Grisebach, and there are specimens of 
Rottler and Heyne which do belong; but Roth's description “calyx with broad 
scarious wings, corolla rose” refers entirely to Canscora perfoliata, Lamk. 
6. C. concanensis, Clarke; leaves ovate, cymes slender branches 
not winged, calyx-wings elliptic nerved scarious in fruit. 
The Concan, Law. 
A slender annual, 3-5 in.; stem decumbent then erect, obscurely quadrangular. 
Leaves 3 by 4 in., subacute, sessile, 3-nerved. Cymes weak, at first dichotomous, 
branches upwards subunilateral, flowers all pedicelled; pedicels $-} in., slender ; 
bracts HH in, linear. Calyx 4. in.; wings } in., broad in fruit. Corolla-tube as 
long as the calyx; lobes à in., obovate, obtuse, seem to have been rose.— Nearest 
to C. macrocalyx, Miq. Fl. Ind. Bat. ii. 558, which is a rigid erect plant with winged 
stem and cyme-branches, 
** Cymes terminal; bracts at its bifurcations (or some of them) perfoliate. 
7. C. perfoliata, Lamk. Dict. i. 001, not of Griseb.; leaves elliptic 
acute, calyx large wings elliptic nervose. C. alata, Wall. Cat. 4363 A; Griseb. 
Gentian. 154, and in DC. Prodr. ix. 65; Dalz. & Gibs. Bomb. Fl. 158; Clarke 
in Journ. Linn, Soc. xiv. 431. C. grandiflora, Wight Ic. t. 1320. C. macro- 
calyx, Mig. in Pl. Hohenacker, n. 810 (not Fl. Ind. Bat. ii. 558). Pladera 
perfoliata, Roxb. FT. Ind. ed. Carey § Wall. i. 418. Exacum alatum, Roth Nov. 
Sp. 85.—Rheede Hort. Mal. x. 108, t. 52. 
The Deccan Penrysuta ; from Bombay to Travancore; Rottler, &c. 
Stem 6-18 in. 4-winged. Leaves 1 by }-2 in., sessile, 3-nerved. Upper bracts 
j in. diam., suborbicular, 2-mucronate ; pedicels very short. Calyx 4-2 by 4-4 in- 
