Walls of the sporangia consisting of a thin membrane, with abundant fibrous thickenings, presenting broad expansions, narrowing to thin flat bands, and reduced in many places to slender fibrous threads.
"The Myxomycetes of the Miami Valley, Ohio"
A. P. Morgan
thickenings for Soups and Sauce.
"New Vegetarian Dishes"
Mrs. Bowdich
thickenings or enlargements in this region may involve a variety of structures.
"Common Diseases of Farm Animals"
R. A. Craig, D. V. M.