fe) 
Leaves long, entire, with several longitudinal nerves; 
f flowers white, with 6 short teeth. } 
L Polygona'tum verticilla’tum. 
Leaves with a single longitudinal nerve (or none). 
ome small, heath-like, their margins strongly rolled 
back; stem usually woody or wiry. 
Corolla bell-shaped, shortly toothed at the mouth; 
[ (leaves often hairy). } 
L Erica. Heath. 
Corolla not bell-shaped ; leaves not hairy. 
Leaf-margins meeting in a white line at the back; 
flowers with 6 small segments. 
Empet'rum nigrum. C rowberry? 
Margins not meeting at the back; corolla with 4 
| or 5 separate, pinkish petals. } 
t Franke'nia le'vis. Sea-HHeath. 
-Leaves not heath-like. 
ey Ee 3-leaved (or 4-leaved here and there). 
Leaves with prickly points, their lower part thick, 
solid and fleshy. } 
Sal'sola Kali. Saltwort. 
Leaves without prickly points. 
“a long, weak, swimming in water ; fone 
inconspicuous. 
i L Elo’dea canaden’sis. Water-thyme? 
Stem erect; flowers coloured. 
(me es sprinkled with red or black dots 
(against the light) ; flowers yellow. : 
Lysima’chia vulgaris. Loosestrife. 
Leaves not dotted ; flowers not yellow. 
(ae 4; flowers with a long, ues 
stalk-like ovary. J 
Epilo’bium. Willow-herd. 
-Petals (usually) 6; no grooved, stalk- eo 
| ovary below the flower. 
| ‘Ly'thrum. Purple Loosestr ife? 
~Whorls consisting of 4 or more leaves. 
Stem not 4-angled. 
( Stem thick, aquatic; leaves strap-shaped, 6 or 
more in a whorl; flowers minute. ) 
Hippuris vulgaris. M/arestai/. 
| Stem slender, terrestrial; flowers white or 
pinkish. 
CARYOPHYLLA'CEZ. 
\ Stem more or less sharply 4-angled. 
