sori

The sori are rather large, placed nearer the midvein than the margin, and are rarely produced towards the apex of the segments.
Beautiful Ferns|Daniel Cady Eaton
The venation is peculiar, and the disposition of the sori depends mainly on the peculiarities of the venation.
Beautiful Ferns|Daniel Cady Eaton
Mr. Faxon has made a careful study of the sori, and has very kindly furnished the account given below.
Beautiful Ferns|Daniel Cady Eaton
The sori are borne in lines on either side of the mid-vein of the lobe.
How to Know the Ferns|S. Leonard Bastin

We shall find the sori on veins which run from the mid-vein of the pinnules.
How to Know the Ferns|S. Leonard Bastin

British Dictionary definitions for sori

sori

/ (ˈsɔːraɪ) /

noun

the plural of sorus

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012