22 
Corolla over an inch long, white or reddish, 4-lobed at 
( the mouth. } 
| Digitalis purpurea. /oxglove. 
Corolla 5-lobed, blue or blue-purple. 
Corolla with the 2 upper lobes much narrower than the 
f others. ) 
| Lobellia./ 
~Upper lobes of the corolla short and wide; plant 
coarsely hairy. 4 
B’chium. 
Sect. G. FLOWERS GREEN OR SCALY. 
Ovary stalked and projecting on one side, between 4~ 
( rounded or-crescent-shaped “‘ glands”’ (no real sepals 
L or petals). Kuphor'bia. Sp re 
Flowers without such “ glands” ; ovary not stalked. 
_Leaves opposite, or prickly pointed, or none. 
Leaves absent (only green, fleshy, opposite branches), 
( or with prickly points, or more or less 
covered with white, powdered meal or silvery 
scales. 
L CHENOPODIA' CEA. 
Leaves present, not prickly or mealy. 
Leaves bearing bulbous-based, stinging hairs, and 
usually sharply toothed. 
eed 
Urti'ca. Nettle. 
Leaves without stinging hairs. 
Flowers with 5 segments. 
( Leaves narrow, many times as long as they 
( are wide ; flowers funnel-shaped. : 
L Scleran'thus. Azawel 2 
Leaves minute, oblong or roundish, not 3 
times as long as wide. ) 
I Hernia‘ria gla’bra. Rupiure-wort? 
Flowers with 4 segments. 
ne with 4 short, broad lobes; leaves 
more or less oval. } 
t Ludwig'ia palus'tris. 
Flowers with 4 separate sepals; leaves ag 
narrow. J 
CARYOPHYLLA’'CEA. 
Leaves not opposite, nor prickly. 
