EvupHorsia.] EUPHORBIACE2. 
a 
Branches terete or 5-angled ; leaves 
many, 6-12 in. long :— 
Branches subterete, the spines aris- 
ing from low distant spirally 
arranged tubercles ‘ : 
Branches angular, the spines arising 
from thick subconfluent tubercles 
arranged in more or less regular 
rows , ‘ . : 
Branches spreading, unarmed, cylindric ; 
leaves none or few and small; style- 
73 
4. E. neriifolia. 
5. E. ligularia. 
arms 2-lobed,short, recurved A ‘ ‘K BE. Tirucalli. 
Annual or perennial herbs with slender erect 
ascending or prostrate stems, leafy 
throughout :— * 
Leaves alternate below and opposite above 
or all alt. except the uppermost floral 
leaves, exstipulate ; glands of involucre 
2-horned, without a petaloid limb :— 
Rootstock not proliferous ; seeds stro- 
phiolate :— 
Leaves less than 2 in. long; seeds 
oblong, with a whitish rugose or 
tuberculate testa.—An annual 
Leaves over 2 in. long; seeds oblong, 
bluish. An annual or perennial 
herb . ; - d : 
Rootstock usually with proliferous 
shoots ; seeds globose, smooth, with- 
out a strophiole ; 
Leaves all opposite, stipulate or, if stipules 
are absent the leaf-attachments are con- 
nected by a transverse interpetiolar 
raised line ; glands of involucre not 2- 
horned :— 
Glands of involucre with a prominent 
membranous petaloid limb :— 
a 
Ooms 
~ a 
a “ a 
- “ 
6 
\%. E. dracunculoides. 
£. E. Rothiana. 
X. EZ. prolifera. 
