96 BOEAGINACE&. 



much depressed pyramid, adnate to a coaic-based linear carpophore* 

 their bases rounded and produced downwards, outer faces convex or 

 flat, with or without a margin and more or less glochidiate. Species 

 about 60, in tropical and subtropical regions of both hemispheres. 



Nutlets obscurely or not at all margined . . 1. 0. lanceolatum. 

 Nutlets with a prominent margin . . . 2. 0. de nticulatum var. 



zeylanica. 



1. C, lanceolatum, Forsk. Fl. -Egypt. 41 (not ofHeyne), F. P. 7, iv 

 156 , Prain Beng. PL 719.G. racemoSum, Roxb. Fl. Ind. i, 456. 



An erect hispid annual, about H ft. high. Leaves sessile, 2-3 in. long, 

 broadly lanceolate, nerves prominent beneath. Racemes with all the 

 flowers, or all but the uppermost pedicelled elongating in fruit. Flowers 

 at first erect, afterwards nodding. Calyx-lobes obtuse, ^ in. long in fruit. 

 Corolla very small, white with a purple throat. Nutlets % in. in diam., 

 shortly ovate, hardly or not at all margined, glochidiate on all sides. 



Sub-Himalayan tracts from Dehra Dun eastwards ; Mohand Pass on the 

 Si walik Range (Royle 111. 306 under C. furcatum). DISTRIB. Frequent 

 in Bengal, westwards to Lahore, extending to Arabia. 



2. C. denticulatum, var. zeylanica, C. B. Clark in F. B. I. iv, 157 ; 



Cooke Fl. Bomb, ii, 217. 0. zeylanicum, ~ 



An erect, branching, annual herb, 1-2 ft. high, clothed with spreading or 

 appressed hairs. Leaves lf-3 in. long, lanceolate and usually acut e > 

 narrowed towards the base and often decurrent ; upper surface covered 

 with short stiff hairs seated on bulbous bases which become white when 

 dry ; lower surface usually strigose and with prominent densely hairy 

 nerves ; margins more or less denticulate, ciliate. Flowers distant, pedi- 

 celled, in terminal and axillary racemes 6-8 in. long. Calyx in. long, 

 softly hairy, enlarged when in fruit ; lobes ovate-oblong, obtuse, ciliate, 

 midrib conspicuous within. Uo'rolla % in. long ; lobes oblong or suborbi- 

 cular. Nutlets glochidiate all over, attached rather obliquely to the 

 carpophore, their upper halves free, prominently margined, the rim 

 furnished with stout prickles each being crowned with 5 or 6 small 

 decurved hooks. 



Sub-Himalayan tracts of Rohilkhand and N. Oudh. Flowers in October and 

 November. DISTRIB. W., Cent, and S. India. 



8. BOTHRIOSPERMUM, Bunge ; Fl. Brit. Ind. iv, 167. 



Prostrate or diffuse strigose annual or biennial herbs. Leaves alternate, 

 ovate or lanceolate. Flbwers small, blue or white, axillary, 

 pedicelled, the upper passing into a bracteafce raceme. Calyx 

 5-partite ; lobes narrow, hardly enlarged in fruit. Corolla-tube 

 short, throat with 5 scales ; lobes 5, obtuse, spreading, imbricate 



