1904 ] BRIEFER ARTICLES 61 
MULTISEEDED ACORNS.— Acorns with more than one seed have 
been described before, but the following striking example may not be 
unworthy of mention. On the bank of a stream near Baltimore, Md., 
there is a rock chestnut oak (Quercus Prinus L.) that was found to bear 
Fics. 1-14.—Different stages of sprouting spores of Eguisetum arvense. 
acorns which almost invariably contained two or three seeds. One of 
these acorns is shown sprouting in jig. 75. All three young plants 
are strong and healthy, but one is slightly larger than the others. I 
have found two young plants coming from an acorn of Quercus ‘velu- 
