31 



PLATE 36. 



OLDENLANDIA MACROPHYLLA, B.C. 

 Natural Order RUBIACFAE. 



A low growing plant with stems 1-3 feet long, ascending and rooting at 

 nodes, branching, quite glabrous. Stem and branches terete, somewhat succulent, 

 occasionally brown spotted. Leaves opposite, petiolate, stipulate, entire, ovate or 

 ovato-oblong, acute, rounded at base, midvein prominent, lateral ones obscure, 

 green and quite glabrous, .1-2^ inches long, f 1 inch wide ; petioles very short and 

 broad; stipules connecting the petioles, and unequally broken up in the centre 

 into 1 or more bristle like points. Inflorescence axillary, racemose, pedicels 

 usually in opposite pairs, sometimes solitary, or the main pedicel occasionally 

 branched, 6-20 flowered, common peduiicle much longer than the leaves; bract 

 small, broad based, and cut at -apex into 2 or several minute bristles. Calyx 

 5 cleft, the acuminate teeth a little longer than the tube ; together 1-2 lines long. 

 Corolla gamopetalous, 5 cleft/ tube funnel shaped, lobes ovate, acute, spreading, 

 light blue ; glabrous externally, upper surface toraentose. Stamens 5. on corolla 

 tube, exserted ; anthers linear, equalling the filaments. Ovary inferior, 2 celled, 

 many ovuled. Stigma bilobed. Capsule ovate, or turbinate, compressed, crowned 

 by the calyx lobes, and opening at apex. 



Habitat : NATAL : Coast districts, common in moist situations. 



Drawn and described from specimens gathered near Durban, February 1898. 



This plant appears in the Flora Capensis as Hedyotis pentamera, Hochst, but 

 the name given above is the correct one ; the two genera are very closely related, 

 and somewhat difficult to distinguish from each other. The present plant has no 

 known useful properties, and we cannot learn 'that the natives have any distinctive 

 name for it. 



Fig. 1, Portion of stem, and a branch, natural size; 2, Plan of flower; 



O _.__ _. _.. ' ii i 



orolla 

 enlarged. 



Fig. 1, Portion of stem, and a branch, natural size; 2, Plan of flower; 

 3, 'Corolla opened; 4, Calyx, style and stigma; 5, Section of ovary; all variously 

 enlarged. 



PLATE 37. 



WAHLENBEROIA UNDULATA, A. DC. 

 Natural Order CAMPANULACEAE. 



Stem erect or ascending, branched, hirsute at base, gradually becoming more 

 glabrous above, upper portion quite glabrous, l|-3 feet high, ribbed and angular. 

 Leaves alternate, sessile, linear-lanceolate, serrate, undulate, teeth white and 

 thickened; lower ones pilose with white hairs, upper glabrous, l-3 inches long, 2-6 

 lines wide ; peduncles elongate, dichotomously branching, bearing solitary flowers 

 at ends of ultimate divisions, total length of peduncles in our specimens about 

 1 5 inches. Calyx gamosepalous, 5 lobed, tube ob-conical 2 lines long, lobes 

 lanceolate, erect, a little longer than tube; glabrous. Corolla gamopetalous, 

 campanulate, 5 lobed, lobes ovate, acute, a little recurved, twice as long as calyx, 

 bluish white. Stamens 5, epigynous, filaments short, much dilated, and eared at 

 base, pubescent, anthers linear-oblong, dehiscing in bud, and falling off soon after 

 the flower opens, leaving the dilated base of the filament covering the ovary. 

 Ovary inferior, 3 celled, many seeded, style erect, thickened, coloured, and covered 

 with glandular h&irs in upper portion, stigmas 3, at length a little recurved. 

 Capsule 3 celled, many seeded, opening by 3 valves at apex. 



