17 



Apical beard of stitf comb-like 



hairs, anthers partly ex- 

 serted : — 

 Slender annuals, 10-12 cm. 



high, inflorescences lax,. T . 2)aronyclnoides* 

 Straggling much branched 

 iindershrub^ 30 cm. high, 

 ioliorescences conij^act; 

 often branched ... ... T . fle.vnosum. 



FloAvers in short more or less dense 



spikes, bracts \yith finely 

 fringed margins: — 

 Stems slender, ascending, bruAAii 



•when dry ... ... ... 7\ spnj'fioides. 



Stems stonfc flexuosc or pros- 

 trate, grey "when dry ... T. confine. 

 Stems leafy, leaves ^vell dereloped, 



bracts M'itli entire or rarely 

 scabrid margins, never scurfy : 



FloAvers in compact dense spikes, 



style 0-5 mm. long, bracts 

 equal to or longer than the 

 flowers : — 

 Plants finely pubescent: — 

 LeaA'es rounded on back, 



perianth externally gla- 

 brous ... ... ... T. griseum. 



Leaves ribbed, perianth ex- 



ternallv hairv ... ... T. trans I'aalense. 



Plants glabrous : 



Bracts finely scabrid-puberu- 



lous on margins ... 2\ gnidiacenvx. 



liracts glabrous on margins : 

 Stiffma sessile or subsessile. 



anthers in })erianth tube T. pJt i/lIostacJii/uni. 



Style 0-5 mm. long, ant-hers 



exsertcd ... ... T. imi)eilitum. 



yS. Flowers in elongated lax spikes, ^\\\e 



0-8 mm. or more long, bracts 

 S!hort(^r than floweis ... ... T, nunjaUsmontanum. 



-rf. Flowers in racemes, bracts adnate to 



pedimcles : — 

 Bracts equal to or longer than 



flowers: — 

 Styles 1 mm, Lmg or more, leaves 



scatiered : — 



I 



]iract>' wiih minutely seriulale 



or scabrid margins : — 

 External glands conspicuous : — 

 Perianth 2 2-5 mm. long 



(flowers often in cy- 



^^ 



mules) ... ... T .B 



urhei. 



W 



