864 xcvii. LABIATE. \Solenostemon 



bracts ovate, small ; calyx y'y to yV iu. long in flower, ^ to i in. long in 

 fruit, bilabiate, minutely glandular-puberulous ; the lips entire or the 

 upper lip with a minute tooth on each side, erect or nearly so, obtuse, 

 veiny in fruit ; corolla y^ to ^ in. long, sigmoidly curved ; the tube 

 twice bent ; the limb bilabiate ; the larger lobe ^V in. long, directed 

 forwards, boat-shaped, covering the stamens ; the smaller lobe ttV to 

 Y^ in. long, below and sub-parallel to the other lip ; stamens 4, sub- 

 didynamous, about yV in. long, glabrous, included ; filaments free 

 among themselves for the greater part of their length, united in a 

 short tube below, the tube inserted at the top of the corolla-tube ; 

 style rather longer than the stamens, included, glabrous, bent and 

 bifid at the apex ; nutlets 4, ellipsoidal, glabrous, pale yellow ; fl. and 

 fr. Sept. 1853. The inflorescence is denser than in the tyi^e. No. 5580. 

 No. 5579 from Prinx'e's Island, wooded coast region, Sept. 1«53, 

 consists of a few flowers and fruits, possibly belonging here and 

 perhaps identical with an unnamed specimen obtained from the Congo 

 by Christian Smith in 181G. Cf. Labiata, Welw. in Ann. Cons. 

 Ultramar. Lisb. Xo. 7 (August 1854), p. 80. n. 11. 



2. S. robustus Hiern, sp. n. 



A robust herb, several feet high ; stem and branches obtusely 

 quadrangular, furrowed, more or less puberulous and minutely 

 glandular ; branchlets pallid, clothed with short whitish hairs and 

 small red glands ; leaves opposite, oval or ovate-oblong, obtuse 

 at the apex, obtuse or somewhat narrowed at the base, firmly 

 herbaceous, pale yellowish green, minutely glandular-punctulate. 

 subglabre.scent, crenulate, 2\ to 5-^- in. long by 1^ to 3f in. broad ; 

 lateral veins 6 to 8 on each side of the midrib, spreading, slender ; 

 petioles i to 1|^ in. long, shortly haiiy ; flowers about ^ in. long 

 on rather slender hispidulous pedicels ranging up to t in. long, 

 clustered ; cymes sessile, opposite or alternate, arranged in spikes 

 or divaricately branched terminal pyramidal panicles more than 

 a foot long ; calyx i in. long, hairy outside, glabrous inside, 

 openly campanulate, 5 -cleft ; the lobes deltoid-ovate, one some- 

 what broader and more spreading than the rest ; corolla minutely 

 glandvilar outside, membranous ; its tube bent near the base, 

 ^ in. long ; the limb bilabiate ; the smaller lip spreading, 4-eleft, 

 concave-induplicate, the middle lobes the largest ; the larger lip 

 nearly ^ in. long, bent inwards at about a right angle or more so 

 near the base, sparingly pubescent outside, concave-induplicate, 

 enclosing the androecium ; stamens 4, didynamous ; filaments 

 united from the base for some distance into a glabrous tube slit 

 down one side ; style long, slender, glabrous, slightly notched at 

 the apex. 



PuNGO Andongo. — From Lombe to Condo ; fl. March 1857. No. 5538. 



3. S. niveus Hiern, sp. n. 



A rigid, erect shrub, 3 to 4 ft. high, sparingly and loosely 

 branched ; stem somewhat fleshy ; branches erect-spreading, naked 

 below ; subterete, softly pubescent near the apex ; leaves opposite, 

 suborbicular, shortly and abruptly narrowed at the base, some- 

 what thick, almost fleshy, deep green, puberulous, minutely 

 glandular, crenate-dentate, 2 to 4 in. in diameter or rather larger. 



