240 EUPHOin^iAf "E/E (Brown). [E?fp7iorlia, 



Btanclies J-IJ in. long and ^-^ in. tliick : 

 Involucre 3|"4 lin. in diam., with greenish 



glands: ovary glabrous ( ?8 ) basutica. 



Involucre 2^-2f lin, in diam., with dark 

 brownish-crimson to bright red glands ; 



ovary pubescent ... (95) Gorgonis. 



Main stem covered with branches, nearly or 



quite to the centre of its top, without or with 



a very small branchless tubercidate area ; 



' glands of the involucre greenish or yellow : 



Branches laxly scattered over the top of the 



plant ; peduncles 1^-2 J lin. long ; ovary 



thinly pubescent ... .., ... ... (100) discreta* 



Branches crowded ; peduncles none or not more 

 than J-1 lin. long : 

 Branches with age repeatedly branching at 



their tips forming a convex cushion-like 



mass; ovary glabrous .,, *.. ... (90) olavarioides. 



Branches simple or with here and there a 

 lateral branch : ■ ■ 



Branches 4-8 liu. thick ; 



Branches subcylindric, truncate at the 

 apeXj closely contiguous and ci'owded 

 into a compact flat-topped mass ; 

 ovary thinly hairy (91) truncata. 



Branches clavate^ rounded at the apex, 

 somewhat crowded, but not closely 

 contiguous, at least at the tips ; 

 ovary glabrous . ( SS ) basutica. 



M 



Branches 3-4 (when dried 2-3) lin. thick, 



cylindric, crowded, ovary glabrous ... (89) Ernesti. 



***Plant dwarf, consisting of a single unbranched or 



occasionally branching globose, obconic or cylin- 

 dric 8-12-angled stem, not tuberculate or unly 

 along the angles ; cymes puberulous : 

 Stem cylindric -oblong, f5-8 in. high, 3-3^ in. thick ; 

 cymes erect, lJ-2 in. long and broad, 3- 4 -times 

 forked, on peduncles 3-10 lin. long ,,. ,., (155) valida. 



Stem obconic or pear-shaped, as thick as long ; 

 cymes ascending, J-1 in. long, once or twice 

 forked, on peduncles 1-2 lin. long (158) pyriformis. 



Stem globose, as thick as long : 



Scars along the angles crowded, ^-| lin. apart ; 



cymes apparently deciduous ; ovary glabrous (1 59) obesa, 



Scars along the angles not crowded, lJ-3 lin. 

 apai-t ; cymes persistent or deciduous on 

 ditferent plants of the same species : 

 Cymes divided close to the base into 2-3 once 



or twice-forked branches and spreading 

 over and close to the top of the plant as if 

 pressed upon it, at least when in flower ; 

 ovary puberulous , ... ... (15G) meloformis. 



Cymes wnth peduncles ^-1 in. long, erect or 



ascending and standing out from the plant (157) infausta. 



**»'^Plant very dwarf, consisting of a small clump of 



branches constj-icted at their oritriu ur renewal of 



