87 
Flora of the Malayan Peninsula. 
Canscora) ; filaments on the corolla-tube ; anthers of 2 parallel cells. 
Ovary 1- (or imperfectly 2-) celled ; of 2 carpels, superior or stalked or 
slightly inferior ; style linear or oblong ; stigma capitate or shortly 
2-lobed ; placentas parietal, sometimes much intruded, partly coalescing 
in the axis ; ovules very many. Capsule dehiscent or indehiscent, not 
rarely becoming more or less succulent ; seeds many, albuminous. 
— Distbib. Species 700; found in all countries. 
Erect herbs ; lower stem leaves (often all the leaves) opposite 
Glabrous ; corolla blue 
Pubescent all over 
Glabrous ; corolla rose-coloured or white 
Twiner ; corolla narrow, more than 1 in. long 
Floating (or creeping on mud) ; leaves round-ovate : — 
Peduncles solitary, from the axil of a long-petioled leaf 
Peduncles clustered, from the axil of a sessile leaf. . 
1. Exacum, Linn. 
Glabrous erect herbs. Leaves opposite, usually 3- to 5-nerved. 
Floivers panicled, 4- to 5-merous. Calyx deeply lobed. Corolla rotate ; 
tube globose ; lobes ovate or oblong, blue or white. Stamens attached 
in the corolla throat ; anthers large, of two oblong cells, which open 
first by terminal pores or short slits. Ovary more or less completely 
2-celled ; style linear ; stigma sub-capitate. Capsule globose, septici- 
dally 2-valved ; seeds numerous, minute, cuboid. — Distbib. Species 
30, whereof 20 Indian, the others in China, Malaya, Africa. 
Stem 1 to 4 feet; corolla-lobes J in. long, azure blue . . 1 . E. tetragonum. 
Stem 4 to 12 in. ; corolla-lobes | to J in. long, pale blue . . 2 . E. pedunculatum. 
1. Exacum tetbagonum, var. /3 stylosa, C. B. Clarke in Hook. fil. 
FI. Br. Ind. IV. 95. Stem 1 to 4 feet, quadrangular. Leaves 5 by 1 in., 
sessile, lanceolate, 3- to 5-nerved. Panicle many-flowered ; bracts at its 
divisions -25 to '5 in. long, linear ; flowers 4-merous, or rarely 5-merous. 
Calyx-lobes -25 in. long, ovate acuminate. Corolla-lobes - 5 in. long, 
broadly elliptic acute, full azure-blue. Anthers -2 in. long, straight. 
Style -5 in. long. Capsule globose, -25 in. in diam. E. stylosum (sp.), 
Griseb. in DC. Prod. IX. 46. E. chironioides, Griseb. Gent. 109, in 
DC. Prod. IX. 45. E. Horsftcldianum, Miq. FI. Ind. Bat. II. 556. E. 
sulcatum, C. B. Clarke in Journ. Linn. Soc. XIV. 425 {not of Roxb.). 
E. tetragonum, Vidal FI. Filip. 191. 
Singapobe : Lobb 473. — Distbib. From Burma to Borneo and the 
Philippines. 
2. Exacum pedunculatum, Linn. Sp. PI. ed. I. 112 ; ed. II. 163. 
. . 1. Exacum. 
. . 2. Microrphium. 
. . 3. Canscora. 
. . 4. Crawfurdia. 
. . 5. Villarsia. 
. . 6. Limnanthemum. 
