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)
Sporangia orbicular, very much depressed, often umbilicate above and concave underneath, stipitate or sessile, gregarious, with the margins of the sporangia sometimes confluent.
From The Myxomycetes of the Miami Valley, Ohio by Morgan, A. P. (Andrew Price)
Cap umbilicate, slightly depressed in the centre, b; gills decurrent, i. e., running down the stem.
From Student's Hand-book of Mushrooms of America, Edible and Poisonous by Taylor, Thomas
The latter is usually very short, almost completely concealed in the concavity of the umbilicate sporangium.
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)
Sporangia much depressed, orbicular or somewhat irregular, umbilicate often both above and below, gregarious, sometimes growing close together and confluent, stipitate or sessile.
From The Myxomycetes of the Miami Valley, Ohio by Morgan, A. P. (Andrew Price)