Sunday, March 22, 2009

Moss capsule

Mosses reproduce by shedding wind-dispersed spores from capsules carried on slender stalks. Different species use different methods for regulating the replease of spores. This one - Catherine's moss Atrichum undulatum - has a series of slits around the mouth of the capsule and shakes spores out like pepper from a pepper pot, as the capsule stalk vibrtaes in the wind.

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