OCR Text |
Show Trees Planted by Insects. Tho uses of worms in wood and Meld have been discovered by G. A. Andrews. It has long been known that squirrels aid the forester by burying nuts, of which some Bprout and ultimately develop into trees, but that also ho Is Indebted to earth worms for llko services is knowledge now. lt'nppears that the dry flat fruits of tho silver maplo aro frequently frequent-ly used by worms; to plug tho apertures aper-tures of their burrows In tho fushlon long since described by Darwin. In districts too dry for them to germl-nato germl-nato under ordinary conditions a cer-tain cer-tain propmtlou of maplo seeds thus drown Into their liolerf by the worms wero found to sprout nnd grow Into seedlings, and, although theso ultimately ulti-mately pcrlbhcd under tho Influence of tho late summer drought, Mr, Andrews An-drews thinks that under less unfavorable unfavor-able conditions a cortnln number would survive Ho believes that by planting trees w.orms moro than nmend the damago with which they aro credited through destroying seedlings In tho gardens. |