umbilicate
Example Sentences
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Sometimes they are umbilicate below, so that a vertical section would be obcordate.
From The North American Slime-Moulds A Descriptive List of All Species of Myxomycetes Hitherto Reported from the Continent of North America, with Notes on Some Extra-Limital Species by MacBride, Thomas H. (Thomas Huston)
P. 2-2.5 cm. persistently umbilicate glabrous, brown then greyish, becoming cracked; g. crowded; s.
From European Fungus Flora: Agaricaceae by Massee, George
P. 1-2 cm. exp. umbilicate, glabrous, hygr. livid then pale; g. arcuately adfixed, semicircular, broad; s. 2-4 cm. glabrous, pallid, not rooting; sp.
From European Fungus Flora: Agaricaceae by Massee, George
Sporangia globose, sometimes a little depressed, with the base umbilicate; the wall steel-blue with tints of purple and violet, quite persistent, rupturing irregularly.
From The Myxomycetes of the Miami Valley, Ohio by Morgan, A. P. (Andrew Price)
Sporangium depressed-globose, the base flattened or umbilicate, stipitate or nearly sessile; the wall smooth, whitish or pale brown, splitting from the apex downward into a few reflexed irregular segments.
From The Myxomycetes of the Miami Valley, Ohio by Morgan, A. P. (Andrew Price)