ECOLOGY 631 
hairs seen in Feliamphora, an attractive inner lid surface, marked 
with numerous downwardly directed hairs and nectar glands 
which lead the insect toward the next or conducting surface. 
This is either nearly smooth (S. purpurea) or presenting delicate, 
downwardly projecting processes and on which the insect loses its 
foothold, also (excepting S. purpurea, which next shows an inter- 
vening glandular zone) a lower deéntentive zone, in the bottom of 
Fic. 476.—A colony of Sarracenia purpurea growing along the border of a pond in 
Burlington County, New Jersey. Chamecyparis in background. 
the pitcher, which contains a watery fluid and whose surface, 
Save its lowest portion, is marked by the presence of many elon- 
gated, downwardly directed, thick-walled hairs, which prevent 
the ascent of insects that have fallen into this zone from above. 
Glands are also present on the upper part of the detentive surface. 
Darlingtonia' is represented by a single species, Darlingtonia 
californica, which grows in mountain swamps and borders of 
small streams at altitudes of 1000 to 6000 feet from Plumas 
county in the Sierras of California northward to Jackson and 
! Macfarlane: “‘Sarraceniacez,” in Engler, Das Pflanzenreich, Heft (iv, 110), 
39 pp., 1908. 
