noun, plural ca·lyc·u·li [kuh-lik-yuh-lahy] /kəˈlɪk yəˌlaɪ/.
Examples from the Web for calyculus
Sporangium cylindric; the calyculus small, granulose, ribbed and sulcate.
Sporangium ovoid; the calyculus very small, finely ribbed and granulose.
Sporangium ovoid-oblong; the calyculus small, sulcate and ribbed, granulose.
The colors are obscure, but the striations on the calyculus are violet-tinted, and the reds perhaps predominate elsewhere.The North American Slime-Moulds|Thomas H. (Thomas Huston) MacBride
Sporangium oblong-ovoid, stipitate; the calyculus small, thin, smooth.