Ev2)hjrhia^\ EUPiiuinjiAGE.K (IVowii). 245 



spines fi-ee, diverging from the base ; tuberclea 

 ou the augle.s sometimes near together or 

 spirally arraugeJ, but not crowded : 

 Dried branches (including the teetli) !)-12 lin. 

 in diam. at the broadest part, 3-i-angled : 

 Branches uut or rarely constricted at intervals ; 

 spine-shields very small, not extending 

 to the flowering eyes, >vith 1 pair of 

 spmes, pale brown (1^31) clavigera. 



Branches constricted at intervals ; spme- 

 shields broadly extending to the flowering 

 eyes, with 1 small and 1 large pair of 

 spines, grey ,., (i^^) enormis. 



F -. 



Dried branches (including the teeth) 3-8 lin. in 

 diam. at the broadest part : 

 Spine-shields united into continuous horny 

 . grey margins ; stems 5-angled, decum- 

 bent; involucre not described ... ... (1*38) gi'iseola. 



Spine-shields quite separate ; glands of the 

 involucre yellow or greenish-yellow : 

 Branches always simple, radiately spreading 

 from the top of the tuber, tapering to 

 a more or less stalk-like base : 

 Branches with only 2 spine-bearing aiigles, 

 flattish or slightly concave above, 

 convex beneath ... ... ... (162) stellata. 



Branches with 3-4 spine-bearing angles : 

 Branches 3 (or 4 ?)-angledj with conical 



teeth 2-3 lin. prominent ... (160) sc[uarrosa. 



Branches 4-angled, with the teeth 

 slightly or not more than 1 lin. 

 prominent ... ... (163) micracantha. 



Branchesoften branching, erect, 3-j-angled : 

 Spines dark brown or grey ; capsule 

 sessile; styles 1-1^ lin. long, shortly 

 united at the base (167) Schinzii. 



Spines at first light brown, becoming 

 grey ; capsule exserted on a pedicel 

 lJ-3 lin. beyond the involucre ; 

 styles % lin. long, united to half-way 

 up .. ... (166) Knuthii. 



1. E. prostrata (Ait. Hort. Kew. ed. i. ii. 139); annual : stems 

 radiately spreading on the ground, 2-8 in. long, with alternate 

 branches, usually sliLditly flattened from above, puberulous on the 

 npper side, at least along a middle line, with minute curved hairs, 

 glabrous on the underside ; leaves opposite, shortly petiolate, U-3A 

 Hn. long, 1-2 lin. broad, oblong to elliptic ur slightly oblung- 

 obovate, obtuse or rounded at the apex, distinctly or obscurely 

 toothed, sometimes ciliate, glabrous on both sides or with a few 

 scattered hairs beneath, chiefly near the apex ; stipules on the 

 ypper side of the stem usually free and on the under side united 

 hito a deltoid-ovate body, toothed at the apex ; inflorescence of 



shor ■" " " ■ * . . -. -11 • — T- -^ 



to 



■t axillary leafy raceme-like branches, with 1 axillary involucr 

 -'^ch piiir of leaves or sometimes reduced to a cluster of 2- 



e 

 3 



