Victorian Plants. 181 



868. Leaves flattened. 



Glabrous ; leaves naVrowed at the base ; fruit-calyx small, 

 indurated, with four to five acicular spiimles ; seed placed 

 vertically. B. quinquecuspis. 



Leaves almost semicylindrical. 



Glabrous ; fruit- calyx small, indurated, with three to four 

 unequal acicular spinules ; seed placed vertically. 



B. divaricata. 



869. Leaves almost semicylindrical. 



Prostrate, nearly glabrous ; leaves very short, succulent ; 

 fruit-calyx minute, almost obliquely pear-shaped, indu- 

 rated, without any spinules, but with an unilateral 

 carinular prominence ; seed placed vertically. Figure 36. 



B. salsuginosa. 



Leaves flattened ... ... ... ... ... 870 



870. Fruit-calyx almost glabrous. 



Herbaceous, quite dwarf, often prostrate, somewhat beset 

 with hairlets ; leaves from lanceolar- to broad-linear, 

 rather flat ; fruit-calyces neither indurated nor spinulous, 

 its lobes upwards dilated with somewhat inflexed margin ; 

 seed placed horizontally. B. eiicliylaenoides. 



Fruit-calyx involved in a lanuginous vestiture ... 871 



871. Fruit-calyx with five very small spinules and as many 



minute appendages. 



Somewhat shrubby, never tall, densely beset with whitish 

 hairlets ; seed placed horizontally. 



B. sclerolaeiioid.es. 



Fruit-calyx without any conspicuous spinules and 

 appendages. 



Somewhat shrubby, never tall, densely beset with whitish 

 hairlets ; fruit-calyces almost globular, minute, nearly 

 membranous ; seed placed horizontally. 



B. Dallachyaua. 



