Orthosipho?i.'\ Labiatce. 369 



Burmann's figure well represents the small erect form so abundant on 

 the seashore in many places ; this passes into the usual state. The 

 flowers are occasionally white. Var. /3 is a slight and inconstant form. 



3. BfOSCKOSMA, Reichetib. 



Annual, fl. very small, whorls about 6-fld., secund, racemes 

 small, dense, numerous, bracts inconspicuous ; cal. campanu- 

 late, segm. short, upper one broad, obtuse, lat. ones triangular 

 acute, lower two narrowly triangular, mucronate ; cor. minute, 

 upper lip 4-lobed, lower lip entire ; stam. included, fil. distinct, 

 anth.-cells confluent ; achenes broadly ovoid, smooth. — Sp. 6; 

 I in Fl. B. Ind. 



'SIL. polystachyum, Benth. iti Wall. PI. As. Ear. ii. 13 (1831). 

 Ocimiim polystachyon, L., Moon Cat. 44. Thw. Enum. 237. 

 C. P. 2056. 



Fl. B. Ind. iv. 612. 



Stem 2-3 ft., erect, much branched, sharply quadrangular, 

 glabrous, 1. 1-2 in., ovate, tapering to base, acuminate, obtuse, 

 apiculate, irregularly crenate-serrate, glabrous, very thin, 

 petiole as long as 1., very slender ; fl. on short ped., whorls 

 numerous, closely placed to form small slender shortly stalked 

 spicate racemes 1-2 in. long and arranged in large panicles ; 

 cal.-tube pubescent, limb glabrous, membranous, veined ; 

 achenes dark brown. 



Low country, especially in the dry region ; rather rare. Kurunegala; 

 Bintenne, &c. Fl. pink. 



In most parts of Tropics of Old World. 



4. ORTKO SIPHON, Benth. 



Perennial, fl. moderate-sized, whorls usually 6-fld., distant, 

 racemes lax, terminal ; cal. oblong-ovoid, upper segm. broad, 

 ovate, lat. ones triangular, acuminate, lower ones longer, 

 shortly connate, subulate ; cor.-tube slender, straight, upper 

 lip deeply 3-lobed, lower lip entire ; stam, included ; achenes 

 ovoid, minutely tubercled, in much-enlarged cal. — Sp. 16; 9 in 

 Fl. B. Ind. 



O. grlabratus, Benth. in Wall. PI. As. Rar. ii. 14 (183 1). 

 Benth. in DC. Prod. xii. 50. Thw. Enum. 237. C. P. 2059. 

 Fl. B. Ind. iv. 614 {O. to>nentosus, var.). 



Stems 1-2 ft., rather slender, often semi-woody at base, 

 slender, branched, sharply quadrangular, glabrous or very 

 slightly pubescent; 1. small, i-if in., ovate or oblong-ovate, 

 acute at both ends, coarsely serrate, glabrous above, often 



PART III. B B 



