Thesium.] santalace.e (Hill). 141 



Stems and leave? glabrous ; 



Leaves acicular, acute. aaceuJine: : 



Plants lax, spreading; anthers exserted ... (61) prostratum. 

 Plants stout, much branched ; anthei-s hicluded (62) acuminatum. 

 Leaves linear-lanceolate, flattened above, re- 

 curved, scattered or densely imbricate ; 

 Plants slender, spreading, much branched ; 



anthers exserted (63) selagineuni. 



Plants stout ; branches fe^v, ascending ; 

 anthers included : 

 Leaves scattered ; stigma subsessile ... (64) capitellatum. 



Leaves densely imbricate ; style f lin. long (65) imbricatum. 



****Flowers arranged in simple terminal spikes, racemes 



or loose paniculate racemes : 

 tFlowers in definite simple spikes or racemes ; bi*acts 

 not adnate to peduncles : 

 Stems rush-like ; leaves scale-like or rarely linear- 

 subulate ; bracts with hyaline, scurfy or finely 

 fringed margins ; 

 Flowers in las spikes ; bracts with scurfy or 

 hyaline margins : 

 Apical beard of dense woolly hairs ; anthers in- 

 cluded in perianth-tube : 

 Bracts and leaves reduced to ovate scales with 



broad scurfy margins (66) junceum. 



Bracts with membranous margins, sometimes 

 with slight scurfy edge : 

 Bracts subulate, acutely acuminate ; leaves 



linear-subulate .,. .,. ... ... (67) natalense. 



Bracts broadly ovate, acute ; leaves reduced 



to ovate scales ... ... ... ... (68) scirpioides. 



Apical beard of stiff comb-like hairs ; anthers 

 partly exserted : 

 Slender annuals, 4-5 in. high ; inflorescences 



lax (69) paronychioides. 



Straggling much-branched undershrub, 1 ft. 

 high ; inflorescences compact, often 

 branched (70) flexuosum. 



Flowers in short more or less dense spikes ; bracts 

 with finely fringed margins : 

 Stems slender, ascending, brown when dry ... (71) spartioides. 



Stems stout, flexaous or prostrate, grey when 



dry (72) confine. 



Stems leafy ; leaves well-developed ; bracts with en the 

 or rarely scabrous margins, never scurfy : 

 Flowers in compact den.se spikes ; style J lin. 

 long ; bracts equal to or longer than the 

 flowers : 

 Plants finely pubescent : 



Leaves rounded on back ; perianth externally 



glabrous (73) griseum. 



Leaves ribbed ; perianth externally hairy ... (74) transvaalense. 



Plants glabrous : 



Bracts finely scabrid-puberulous on margins (75) gnidiaceum. 



Bracts glabrous on margins ; 



Stigma sessileorsubsessile ; anthers included (76) phyllostachyum. 



Style I lin. long ; anthers exserted ... (77) impeditum. 



