SEEDS TRANSPORTED BY WIND. 
49 
upwards and outwards as the berry hangs with the apex 
downward. 
The berry is as large as one’s thumb, and when ripe, 
bursts open irregularly on the upper side as it hangs up 
under the calyx. As the covering of the pod opens more 
and more, a few seeds at a time may be rattled out by 
wind or animal. The numerous large and light fruits, 
Fig. 36. — Mature fruit of apple of Peru 
covered by an enlarged calyx. 
Fig. 37. — The same 
with the calyx 
removed. 
Fig. 38. — The same as 
Fig. 37, except that 
it is older and some- 
what changed. 
with calyx surrounding them, are each supported on a 
nodding stem, stiff and elastic, which gives the wind a 
good chance to sway them about. Water does not seem 
to get into the berries even when they are torn open, 
for when it is poured over the branches it rolls off the 
calyx roof as freely as from a duck’s back. The fruits 
of Pliysalis are apparently kept dry in a manner similar 
to the apple of Peru, although when first mature they are 
soft and juicy, considerably like a ripe tomato. 
