Bot. [f. (by J. G. Agardh, 1842) FAVELLA + Gr. dim. ending -ιδιον (improperly used, as no diminutive sense was intended.] See quots.

1

[1842.  Agardh, Algæ, 60. Sunt sporæ numerosæ in glomerulum arcte congestæ, pericarpio hyalino … circumdatæ; has Favellidia appellavi.]

2

1857.  Berkeley, Cryptog. Bot., § 144. 170. Thus by the evolution of one cell, a favella, or simple globose nucleus, containing many spores within a hyaline periderm, is formed; by the evolution of several detached but adjacent mother-cells, a compound favella or favellidium results, and by the similar evolution of the cells of the moniliform series the highest form of favellidium is produced.

3

1867.  J. Hogg, Microsc., II. i. 273. Such a fruit is called a favellidium and occurs in Halymenia.

4

1884.  Syd. Soc. Lex., Favellidium (dim. of Favella), a form of the conceptacular part of a florideous Alga, in which the spores are collected into spherical masses, which lie entirely embedded in the substance of the frond, as in Halymenia; or project somewhat, as in Gigartina.

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