73. GENTIANACE2G. [ 1. Swebtia. 



as many as the petals and alternate with them, all equal or 

 eome smaller than the others or altogether suppressed, 

 anthers dehiscirg longitudinally or by apical pores. Disc 

 or of glands. Ovary free 1-celled or more or less 2-celled, 

 style simple, stigmas 2. Ovules numerous. Fr. capsular. 

 Seeds numerous. Albumen copious. 



I. Flowers regular 



Ovary 1-celled. Fie. white with 1-2 glands at base 



of petal j 1. Bwertia. 



Ovary 2-celled. Fls. blue (rarely white). Petals 



eglandular . .2. Exacum. 



II. Flowers irregular 



Ovary 1-celled. F1b. white or pink. Stamens unequal 3. Canscora. 



1. Swertia, L. 



Erect herbs with 1-5 -basal- nerved leaves and 4-5- 

 merous flowers in panicled cymes. Corolla rotate, tube very 

 short . Ope or two orbicular glands at the base of each petal 

 often covered by a scale or with a fimbriate margin. {Style 

 or very short, stigmas K Z. Capsule 2-valved. 



1. S. angUStifolia, Bam. Var. pulchella, BurMll, 

 Chiretta, H. 



A pretty erect herb 1-3 ft. high with stems 4-nngled 

 above, linear-lanceolate sessile 3-Dervedor sub-3-nerved leaves 

 and white or very pale-blue 4-merous flowers |-f diam. 

 in numerous panicles. 



, Frequent in grassy glades in the valley iorests, Singbhum, Manbhum, 

 Hazaribagh and Palamau. Fls. Oct.-Dec. 



Petals usually with black or purple streaks or dots and each with 

 1 orbicular gland near the base. 



The above includes the two speciss of the F.B.I. S. pulcLollA 

 ilam. and S. affinis, Clarke. I have adopted Burkill'a. nomenclature 

 ( Journ. As. Soc. II, 8), especially as I had already noted a SinghbhuTU 

 variety as being intermediate between S. angustifolia, Ham., and 

 S. pulchella. An infusion of the plant is used like that of the English 

 Centaury " as a tonic and stomachic. 



421 



