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A Grammatical Dictionary of Botanical Latin

 
Velum,-i (s.n.II), abl.sg. velo, nom. & acc. pl. vela, dat. & abl. pl. velis: veil; velum, (diatoms); in Agaricales, the enclosure where the development of the sporophore occurs; see veil, volva.

Also "A membranous adaxial flap or fold of vegetative tissue wholly or partly covering the sporangial cavity of a sporophyll: in Isoetaceae" (Kiger & Porter 2001);

- velum partiale (adj.B): partial veil, abl. sg. velo partiali.

- velum pelliculare (adj.B): pellicular veil, abl. sg. velo pelliculari.

- velum cortinoideum, cortinoid veil, abl. sg. celo cortinoideo.

- velum hymeniale, partial veil of agarics, abl. sg. velo hymeniali.

- velum universale, universal veil or volva, abl. sg. velo universali.

- pileus reliquiis floccosis veli universalis instructus, pileus provided with the floccose remains of the universal veil.

- protoblema,-atis (s.n.III), abl. sg. protoblemate, primary universal veil.

- teleblema,-atis (s.n.III), abl. sg. teleblemate, the universal veil.

Apparently velum universale is as acceptable as volva universalis for "universal veil."

NOTE: the universal veil of agarics and Gasteromycetes constitutes a layer of tissue covering the fruit-body while development takes place; = teleblem;

cf. volva. The primary universal veil = protoblem (Ainsworth & Bisby), q.v.

 

A work in progress, presently with preliminary A through R, and S, and with S (in part) through Z essentially completed.
Copyright © P. M. Eckel 2010-2017

 
 
 
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