252 Key to the System of 



THRYFTOMENE. 



1158. Leaves from oval- to cuneate-elliptical, almost flat. 



A glabrous shrub, finally rather tall ; leaves small ; flowers 

 on short stalklets, axillary at and near the summit of 

 branchlets, often solitary ; bracteoles fugacious ; tube of 

 the calyx quite broad, compressed, almost smooth ; lobes 

 of the calyx longer than the petals ; stamens five. 

 Figure 56. T. Mitchelliana. 



Leaves linear- or elliptic-trigonous ... ... ... 1159 



1159. Calyx-tube ten-streaked in age. 



A small glabrous shrub; leaves very small, linear- trigonous; 

 flowers quite small, on very short stalklets, axillary at 

 and near the summit of branchlets; calyx-tube semiovate- 

 cylindrical ; calyx-lobes longer than the petals ; stamens 

 five. T. ericaea. 



Calyx-tube five-furrowed in age. 



A small shrub ; leaves very small, from linear- to elliptic- 

 trigonous, generally ciliolated ; flowers small, sessile, 

 axillary at and near the summit of branchlets ; tube of 

 the calyx broadish ; lobes shorter than the petals ; 

 stamens five. T. ciliata. 



X.HOTZXLYA. 



1160. Calyx-tube cylindrical. 



Generally beset with short hairlets ; leaves spreading, very 

 short, semicylindric-linear, somewhat keeled ; flowers 

 small, crowded between leaves at and near the summit 

 of the branchlets ; bracteoles connate to near the middle; 

 petals white, but often also with reddish tinge ; fruit- 

 calyx longitudinally five-lined. L. genetylloides. 



CAX.YCOTHRXX. 



1161. Calyx-lobes ending in a very short bristlet. 



Rather glabrous ; leaves very short, triangulate -linear ; 

 flowers small, capitularly or spicately crowded between 

 leaves at and towards the summit of the branchlets; 

 bracteoles connate towards the base ; tube of the calyx 

 comparatively short, attenuated into the summit and 

 base ; lobes hardly overlapping ; petals white, often with 

 reddish tinge. C. Sullivani. 



