43 



PLATE 51. 



CYBTANTHUS MACKENII. Hook, f. 

 Natural Order, AMARYLLIDE^;. 



Bulb ovoid, l-li inches diameter, tunics brown, membranous. Leaves 2-6 

 contemporary with the flowers, linear, green, erect, 8-12 inches long, i-i inch 

 broad, peduncle longer than the leaves, sub-terete, slightly glaucous, hollow, red- 

 brown towards the base. Flowers 4-10 in an umbel, pure white, pedicels slender, 

 erect, i-1 inch long, spathe valves 2, lanceolate, green, spotted with red-brown 

 when young, but withering after the flowers open, and with several (varying from 

 4-6) small linear ones enclosed within them ; 1-li inches long. Perianth sub- 

 erect, 2 inches long ; tube slightly curved, dilated gradually from base to a throat 



2 lines in diameter ; segments oblong, 3 lines long, 2 lines wide, spreading, the 

 three outer ones cucullate at apex, 3 inner more or less emarginate. Stamens on 

 throat of corolla, biseriate, included, free portion of filament very short, anthers 

 linear-oblong, 1^ lines long. Ovary oblong, 1-2 lines diameter, triangular with 

 rounded angles, 3 celled, many seeded; style exserted, stigmas 3, obtuse, minutely 

 bristly at apex. Capsule trigonous. 



Habitat : NATAL : Moist places from Isipingo to near Umzimkulu. 



Drawn and described from specimens cultivated in the Botanic Gardens, 

 Durban, flowering in July and August. 



This plant is well known in cultivation, and increases rapidly, the flowers are 

 pretty and faintly scented, and the sap is somewhat acrid, it is found in wet places 

 in Coast districts, but so far as we are aware has not been noted North of Isipingo, 

 nor far from the coast. 



Fig. 1, Plant about natural size; 2, Flower, longitudinal section; 3, Corolla 

 opened; 4, Ovary, style and stigma; 5, Stigmas; 6, Stamens, front and side view; 

 7, Section of ovary. 



PLATE 52. 



KALANCHOE THTESIFLOBA, Harv. 

 Natural Order, CRASSULACE.E. 



An erect herbaceous plant, more or less pulverulent with white powder. 

 Stem robust, 2-4 feet high, terete or nearly so, nodes strongly marked with bases 

 of fallen leaves. Leaves half amplexicaul, lowest obovate, middle and upper ones 

 oblong or spathulate, obtuse, entire, fleshy, light green with pink margin, 

 glabrous, lower ones 4-7 inches long, 3-5 inches wide. Inflorescence, either a 

 short cyme, or a number of opposite cymes combined into a dense, oblong, many 

 flowered panicle reaching to 9 or 12 inches long. Calyx 4 parted, almost to base, 

 the lobes oblong-lanceolate, 1-2^ lines long, 1 line wide at base, bracts oblong, 

 minute, pedicels 3-5 lines long. Corolla gamopetalous, urceolate, 5-8 lines long, 



3 lines wide, lobes 4, ovate, obtuse, spreading, 3-5 lines wide when fully expanded, 

 orange-yellow, tube green. Stamens 8, in two rows, adnate to corolla tube just 

 below throat, the upper row opposite corolla lobes, lower alternate with them ; 

 anthers oblong, 2 celled. Squamae 4, linear-oblong, bifid at apex, opposite the 

 corolla lobes. Carpels 4, lanceolate, with subulate styles. Follicles 4, many seeded, 

 seeds minute. 



Habitat : NATAL : Inanda, Wood No. 549. Zwartkop, Evam. 



