LEAVES 
small rosettes upon the 
ground (Fig. 38). In one 
form the blade is round, 
and the margin is beset 
by prominent bristle-like 
hairs, each with a globu- 
lar gland at its tip (Fig. 
39). Shorter gland-bear- 
ing hairs are scattered also 
over the inner surface of 
the blade. All these glands 
excrete a clear, sticky fluid, 
which hangs to them like 
dewdrops, and which, not 
being dissipated by sun- 
light, has suggested the 
name sundew. If a small 
insect becomes entangled in 
Fic. 39.—Two leaves of = sundew: 
A, glandular hairs fully exte 
39 
nded; B, half 
the hairs bendiug inward, in the position assumed when an insect has been 
captured.—After KERNER, 
4 
