I 



£a//>JfMrhia.] 



CXXII. EUPHORBIACE.*: (bROWN). 



Annual (or perennial ?) with 

 2)rostrate or eroct branches 

 2-20 in. long; involucre 

 puberulous or tomentose. 

 Branches always with a pubes- 

 cence of very spreading- 

 straight hairs, sometimes 

 scanty ; leaves entire 

 Branches tomentose or pube- 

 rnlous with minute curved 

 adpressed hairs, or if vil- 

 lous with spreading hairs, 

 then with toothed leaves. 

 Leaves i-1^ in. long, acute, 

 entire or minutely 

 toothed ; seeds with 

 3-4 transverse ridges 

 on each face 

 Leaves 1-^ in. long, usually 

 distinctly and acutely 

 toothed ; seeds slightly 

 pitted-rugose 

 Leaves ^-h in. long, entire 

 or minutely or ob- 

 scurely toothed; seeds 

 with sliglit transverse 

 ridges. 



477 



11. E. arannlata. 



E, coiivifvv/oidii. 



In. E. scordifolia. 



styles ^ lin. long . 18. E. Afzelii. 

 Involucre ^-| lin. in 



diam. ; styles verv 



minute, ^-^ lin. 



long. 

 Gland-appendages very 



small, but distinct 



and petal-like . . 19. E. kiUvana. 



(rland-iippeiidages very 



indistinct or obsolete 



or rarely 2, petal-like 20. E. ceffuptiaca^ 

 '^Annual or perennial, erect or rarely somewhat 

 scrambling (never prostrate) herbs, some- 

 times woody at the base and in 73, E. 

 agotoensis, perhaps shrubby, but always 

 with herbaceous tiowering branches, usually 

 1 lin. or more thick, in a few species more 

 slender; leaves alternate or opposite or 

 opposite at the flowering nodes and alternate 

 elsewhere, equal-sided at the base, exstipu- 

 late ; involucre-glands 4-5, entire, minutely 

 toothed, crenulate or 2-horiied, but without 

 other processes or appendages. 

 Stem and branches with narrow wing-angles 

 decurrent from the flat petioles ; leaves 

 alternate except at the forkings of tin 

 flowering branches 3^. £". crotonoide.. 



