Geniosporinn?\ LabiatcB. 367 



faintly serrate, glabrous, much gland-dotted, petiole short, 

 puberulous ; whorls distant, few, bracts deciduous, racemes 

 short, upper cal.-segm. obovate, rounded, 4 lower connate into 

 a lower lip, ciliate, and with 2 sharp spinous teeth in centre ; 

 achenes globose, smooth, pale brown. 



Dry country; very rare. The C. P. specimens are from Trincomalie 

 (Glenie), and I have seen no others. Fl. Dec, Jan.; 'pale rose.' 



Also in Peninsular India. 



In Journ. Bot. xxiii. 140 I referred this to O. aris/aftan, Bl.; the speci- 

 mens are very poor. 



4. *0. gratissimum, L. Sp. PL 1197 (1753). G-as-tala, 

 Otala, S. 



Burm. Thes. 174. Moon Cat. 44. Thw. Enum. 236. C. P. 2062. 

 Fl. B. Ind. iv. 608. Burm. Thes. t. 80, f i. 



Perennial, semi-shrubby, stems 4-6 ft., often woody below, 

 much branched, sub-quadrangular, shortly hispid-pubescent; 

 1. large, 4-6 in., lanceolate, tapering to both ends, acute, 

 coarsely crenate-serrate, pubescent on both sides, thin, gland- 

 dotted ; racemes rather short, pubescent, with short purplish 

 hair, bracts very broad, acuminate, decussate and squarrose in 

 young infl. ; cal. pubescent and with sessile glands, upper 

 segm. broadly ovate, acute, lat. ones short, spreading, spinous- 

 subulate, 2 lower ones much shorter than upper, connate to 

 near the top, much curved upwards, and closing the mouth in 

 fruit; cor. pubescent outside; achenes globose, rugose, dark 

 brown. 



Var. /3, suave, Hk. f. O. suave, Willd., Thw. Enum. 236. C. P. 3623. 



L. and infl. finely tomentose. 



Waste ground and roadsides ; a very common weed. Var. /3, 

 Ambagamuwa. Fl. June-Sept.; pale greenish-yellow. 



India, Java, Trop. Africa, Trop. America, but doubtful where native. 



The leaves when bruised give a faintly aromatic and apple-like scent ; 

 they are used in medicinal fumigations. Probably a naturalised plant 

 here. 



2. GENIOSPORUBZ, Wall. 



Herbs, fl. very small, whorls many-flowered, in long, 



spicate, terminal infl.; cal. -tube tubular or ovoid, upper .segm. 



flat, broad, obtuse, lat. ones triangular, acute, lower ones 



subulate; cor.-tube short, upper lip shortly 4-lobed, lower lip 



entire; stam. exserted; achenes minute, smooth. — Sp. 6; 3 in 



FL B. Ind. 



Bracts large, white, fl. sessile . . . i. G. EliONGATUM. 

 Bracts small, green, fl. on long ped. . . 2. G. prostratum. 



