﻿156 SCROPHULARIACE^ (Hiern). [Diascia. 



30. D. racemulosa (Benth. in Hook, Comp. Bot. Mag. ii. 17); 

 a branched herb, glabrous or very nearly so, 1^ ft. high or more, 

 perhaps annual ; branches rather slender, tetragonous, the lower 

 ascending, the upper divaricate ; leaves opposite, broadly ovate, 

 obtuse and mucionulate or the upper shortly acute at the apex, 

 subeordate or subtruncate at the base, dentate, rather thickly 

 membranous, slenderly 5-nerved at the base, delicately veined, -J— 1 in. 

 long and broad ; upper internodes longer than the leaves, middle 

 ones .shorter ; petioles -^^ in. long, narrowly decurrent; racemes 

 very slender, terminating the branches and subterminal in the upper 

 axils, few- or many-flowered, simple or somewhat divided, 1-4 in. 

 long ; pedicels slender, short or some of them elongated ; bracts 

 ovate, smaller than the leaves ; calyx-segments ovate, obtuse, ^ in. 

 long ; corolla nearly |- in. broad ; spurs 2, widely diverging, about 

 i- in, long ; filaments glabrous ; capsule ovoid, ^ in. long. DG. 

 Prodr. X. 259. D. ramulosa, E. Meyer in Drege, Zwei Fflanzen- 

 geogr. Documente, 150, 178. 



Eastern Eegion : Pondoland ; bushy places in valleys, between Omtata 

 River and Umzikulu River, 1000-2000 ft., Brege, 4849! 



31. r. expolita (Hiern) ; a graceful herb, glabrous or very nearly 

 so, glossy, glaucescent ; stem 2 ft. high or more, obtusely tetragonous, 

 loosely branched above, slender; branches very slender; internodes 

 mostly exceeding the leaves ; leaves opposite, broadly ovate or 

 cordate, acutely pointed or obtuse at the apex, reniform-cordate about 

 the shortly narrowed 5-7-nerved base, membranous, shortly dentate, 

 f-2i in. long, ^2 in. broad, sometimes smaller ; petioles xV""i "^" 

 long, narrowly decurrent ; racemes terminal and axillary, very 

 slender, einuous, many-flowered, 1|^-11 in. long ; bracts ovate, 

 acuminate, sessile, cordate, spreading, tV~i ^^- lo^^g 5 pedicels very 

 slender, often curved, -g— 1|^ in. long, alternate ; calyx-segments ovate 

 or ovate-oblong, -^-q in. long, trinerved, pale green, whitish on the 

 minutely glandular margin, subacute ; corolla about f in. broad ; 

 spurs 2, diverging, obtusely conical, about \-\ in. long ; filaments 4, 

 linear-filiform, glabrous, about ^V in. long, all bearing anthers ; 

 capsules subglobose, glabrous, about -^ in. in diam. 



Eastern Region : Natal j Ismont, Wood, 1841 ! 



32. D. Barberse (Hook. f. Bot. Mag. t. 5933) ; an herb, apparently 

 annual, 10-20 in. high, nearly glabrous, erect ; stem slender, 

 tetragonous, green, loosely branched at the base or upwards; 

 branches slender, elongated, leafy below ; leaves opposite, ovate, 

 obtuse and mucronulate at the apex, very obtuse at the base, crenate- 

 serrate or serrulate, rather thick, bright green on both faces, shortly 

 petiolate, |-1-|- in. long, ^-1 in. broad, the uppermost smaller and 

 subsessile ; petioles ^V"!- i^- lo^S or the uppermost shorter ; racemes 

 terminal, erect or ascending, many-flowered, simple, bracteate, 4-6 id. 

 long ; bracts ovate, obtuse or apiculate, \-\ in. long ; pedicels 



