89 capsule and the vegetative organs — how it differs from other 

 genera , 



KEY TO THE SPECIES. 



Flat surface of the leaves not longer than broad and not 

 acute at the apex, and the apical part of the leaves 

 often an inch or more thick. 1. Bolusii 



Flat surface of the leaves longer then broad and acute 

 at the a-Dex, and the apical part of the leaves usually- 

 less than an inch thick. 2. siraulans. 



1. P. Bolusii, ^, E. Br. (Figs. 50, 5l).— Leaves slightly 

 spreading, with their flat faces 1-2 inches long and ns much or more 

 in breadth, very broadly ovate in outline, obtusely pointed, the 

 arical nart of the leaves 1-2 inches thick, half-egg-sheped at 



that nart in transverse section; surface slightly uneven from 

 slight irregular bumps and depressions, glabrous, grey-green, often 

 tinted brownish, thickly'- covered evevyvihere with conspicuous dark 

 green dots. Flowers sessile, terminal, solitary or 2-3 together, 

 bracteate. Calyx 5-5-lobed; lobes about 5 lines long, ovate, 

 obtuse. Corolla 2 inches or more in diameter, expanding in the 

 afternoon and closing in the eveing for several days in succession; 

 strongly scented, something like Cocoanut; petals 9-10 lines long, 

 i-l line broad, cunefetely linear, obtuse, bright yellow fading to 

 white at base, paler on the back. S-^amens very numerous, erect; 

 filaments whitish, anthers dee^^ yellow. Stigmas 9-11, ascending, 

 finally rather longer than the stamens, seated on a stout conically- 

 cylindric T)ro.1ection from the top of the ovary, which is 9-11- 

 celled, Placentation and capsule as described for the genus. 



Kesembryanthemum Bolusii, Hook. f. in Bot. %g., t. 6664 

 (1882); Dyer in Ann. of Bot., v. XX, p. 125, t. 8; i-larloth Fi. of 

 S. Afr., V. 1, n. 206, t. 51; Berger Ssemb. p. 275, f. 60, 61, 

 and in Honalsschr. f, Kakt. v. IX, p. Z9 , with fig.; <^eitschr. f. 

 Sukkul., vol. II, T). 1 59; Rehnelt in ^artenwelt, v. XI, p. 302, 

 with fig. 



Graaff Heinet Division^ Ne-r Graaff ^^einet, Bolus, near 

 Kendrew, Frith, Aberdeen Division* Near Aberdeen Rooad, I-iarloth, 



2. P. simulans, N. E. Br._^ Leaves widely spreading, 2-3 inches 

 long, li-2i inches broad and |--4 (rarely up to l) inch thick near 

 the apex, ovate, acute, flat on the face, compressed-keeled on the 

 back at the apical part; surface smooth, glabrous, grey-green or 

 more or less tinted vrith broi'Tiish, thickly coirered ever3nr7here with 

 dork green or dusky dots, the young leaves slightly gsucous, 

 Flov/ers solitary or 2-3 together, terminal, sessile or nearly so, 

 bracteate. Bracts 4-| inch long, ovate, acute, keeled, glaucous. 

 Calyx 5-6-lobed; lobes 5-5 lines long and 3-5 lines broad, ovate 



or ovete-oanceolate, subacute or obtuse, the inner with membranous 

 margins, glaucous-green with a slight reddish or purplish tinge, 

 dotted v/ith dark green. Corolla t first 11-24 inches in diameter, 

 enlarging day by day to 2i- 3 inches in diameter, opening between 

 3 and 4 p.m., and closing betv/een 6 and 7 p.m., irrespective of 

 sunshine or closed if the temperature is not below 70° Fahr., 



■^p^ting 10-12 days, strongly scented, somewhat like Cocoanut; 



