Euphorbia. | CXXII, EUPHORBIACEX (BROWN). 481] 
. the base (see also 
63, L. ampla, and 
65, #.  schim- 
periana). 
Leaves lanceolate, 
3-2 in. broad ; in- 
volucre 24 lin. in 
diam. 5 61. #. Englert, 
Leaves linear- lanceo- 
late, 4-4 - in. 
broad; involucre 
llin.indiam. . 68. EZ, repetita. 
‘Bracts triangular- 
ovate, 2-12 iin. 
broad, subtruncate 
to subcordate at 
the base. 
Greater diam. of the 
involucre - glands 
2-24 times that 
of the lesser . 65. H. schimperiana. 
Greater diam. of the 
involucre - glands 
not or scarcely 
twice that of the 
lesser . s 63. EH. ampla. 
ttInvolucre- glands entire, some- 
times 2-lipped when dried, 
but without teeth or points 
at the ends. 
Plant 3-9 in. high, perennial, 
with a tuberous rootstock ; 
leaves sessile or subsessile, 
acute (see also 50, ZH. 
ledermanniana). 
Leaves opposite, with a 
whorl at the base of the 
umbel, lanceolate to 
elliptic . 
Leaves alternate, except at 
the inflorescence. 
Leaves acutely keeled on 
the midrib beneath; 
involucre 2} lin. in 
diam. c 
Leaves not acutely keeled 
on the midrib beneath ; 
involucre 3-4 lin. in 
diam. ; . 
Plant 1-5 ft. high. 
Leaves and bracts petiolate ; 
blade 4-14 in. long; 
ovary and a 
puberulous 
Leaves and bracts seasile or 
52. E. verticillata. 
51. E. carintfolia. 
53. EH. platycephala. 
73. E. agowensis. 
VOL, VI.—SECT, I 2 I 
