gemmate (jemat)

[L. gemmatus, provided with buds, set with gems, pp. of gemmare, put forth buds, set with gems, Gemmati (je-ma'ti), n. pl. [NL.: see gemmate.] A Linnean group of Lepidoptera ( Papilio nid a ). gemmation (je-ma's hon), n. [F. gemmation = Pg. gemmação = It. gemmazione, Gemmation consists in the production of a bud or buds, usually from the outside, but sometimes from the inside, an animal; which become developed more or le completely independent beings. The fresh beings H. A. Nicholson , Advanced Text-Book of Zoology, iv. Among creatures of higher grades, by fi ion or gemma tion , parents bequeath parts of their bodies, more or le organized, to form offspring at the cost of their own individualities. H. Spencer , Data of Ethics, §75. Also called gemmulation . Basal or basilar gemmation, in corals, budding from which the base of the polyp gives Rhizongia, A strang i a, etc. Calicular gemmation, in corals, budding from the calycine disk of the parent polyp, which may or may not continue to grow after the proce . - Continuous gemmation. See first extract under def. 2.-Entogastric gemmation. See entogastric. - Lateral or parietal gemmation, in corals, budding from the side of the parent polyp at some point between the base and the circlet of tentacles. Lateral or parietal gemmation generally gives rise to dendroid or arborescent coralla, as in the genera Madrepora, Dendrophyllia, etc. Encyc. Brit ., VI. 378. Marginal gemmation, in corals, a form of lateral gemmation in which the parietal buds are given off from the edge of the calice.