12 On the Fertilization of Calamintha nepeta, (January, 
corolla has fallen away, the maturing ovary may likewise, per- 
haps, be protected against certain enemies. 
A well developed fleshy outgrowth of the receptacle secretes an 
abundance of nectar which collects about the ovary in the lower 
part of the flower. 
The lower lip of the corolla, near its base, is sparsely beset 
with long, stiffish hairs (Z). Two large purple spots on its middle 
Fic. 1.—Old flower of Calamintha 
nepeta, seen from the side. Fic. 2.— 
dering the guiding groove; m and m’, 
the nectar marks; s, the stigma. 
lobe and close to the median line (7), and several smaller ones 
(mm) at the mouth of the corolla tube, clearly indicate the way to 
the nectar concealed within, while a deep guiding groove (g), — 
bounded on either hand by ridges of stiff hairs (4’), leads directly 
beneath the four anthers (2) that converge in pairs close beneath — 
the upper lip of the corolla. 
. together, and immature. In this stage the flower is 
staminate, only, as regards function. After the unfolding of the — 
corolla, the style gradually elongates and its summit passes close — 
_ below the outermost pair of anthers, even brushing them in many 
