Webster's Revised Unabridged Dictionary
L. spongiola, a rose gall, small roots, dim. of spongia,: cf. F. spongiole,
Chambers's Twentieth Century Dictionary
O. Fr. esponge—L. spongia—Gr. sponggia.
The tendrils of the vine seek and choose their own support, and the thirsty spongioles of the root find the nourishing veins of water.
"Lippincott's Magazine Of Popular Literature And Science, No. 23, February, 1873, Vol. XI. No. 23." by Various