Liberia *- 



long slender fruits breaking up into 2 linear valves and 

 hyaline-winged seeds ; Monrovia, \Vhy(c\ 



PKDALIACK.K 



Sesasum indicum, L : a sparingly hairy or almost glabrous herb with 

 long-pctioled (4 6 in.) leaves (the lower 3-foliolate, the upper 

 entire, deeply toothed, 36 in. by I 2 in.), axillary pale 

 purplish obliquely campanulate flowers, I in. long, and beaked 

 erect capsules, f I in. by 3 4 in., with smooth seeds; 

 Monrovia, Xaumaun ; Kakatown, \Vhytc\ ; Grand Basa, Vogel\ 

 The " Scsam " plant, of African or Indian origin, cultivated in 

 most warm countries for the oil which is extracted from its 

 seeds. 



S. radiatum, Schiun. : similar to the preceding, but of unpleasant 

 odour, more or less glandular-pubescent, with simple leaves, up 

 to 2i- in. by ij- in., on pedicels not over I in. long, and with 

 radially wrinkled seeds ; Kakatown, Whyte \ Said to be used 

 for similar purposes in Africa, but whether it is actually culti- 

 vated is doubtful. 



ACANTHACE^E 



Thunbergia alata, Boj. : a twiner with opposite (as in all other 

 Acanthacete) more or less hastate leaves and solitary flowers 

 supported by a pair of bracts (j I in. long), with the throat 

 usually claret-coloured and the lobes yellow to white ; Kakatown 

 and Sino Basin, \Vhytc\ 



Elytraria crenata, \\iJiL: a herb, 29 in. high, with the leaves 

 crowded in a rosette and slender rigid spikes of pale blue or 

 white 2-lipped flowers, J -jj in. long ; Grand Basa, Vogel, 93 ! ; 

 Ansell\ 



Brillantaisia lamium, Rcnth. : a herb with cordate leaves and lax 

 panicles of rather large blue to violet flowers, resembling those 

 of a Sage; Sino Basin, \\'liytc\ ; Cape Palmas, Auscll\ 



Endosiphon obliquus, C. />. L 'larkc : a herb with harsh oblique leaves 

 one of each pair much reduced) and axillary spikes of purple 

 or blue flowers, having a slender tube, 2 in. long, a funnel- 

 shaped throat and spreading limb ; Monrovia, Wkyte\ 



Paulowilhelmia polysperma, />cnt/i. : a shrub with long-pctioled ovate 

 leaves and short loose cymes of purple flowers with a very 



638 



