A Grammatical Dictionary of Botanical Latin

fenestratus,-a,-um (part.A), fenestralis,-e (adj.B): windowed, provided with openings; with broad, windowlike openings, a more extreme condition than perforate, q.v.; “pierced with holes, as the septum in some Cruciferae” (Fernald 1950); “pierced with openings or perforations; e.g. uni- and pluri-fenestrate patterns of thickenings of the inner capsule wall cells in various liverworts (e.g. Lejeuneaceae): also used to describe some types of perforated peristome teeth in mosses” (Magill 1990); (in fungi), in reference to spores, “muriform” (Ainsworth & Bisby); (of pollen grains) "having more or less isodiametric, regularly disposed lacunae" (Kiger & Porter 2001) [> L. fenestra,-ae (s.f.I), an opening in the wall to admit light, a window, > fenestro,-avi,-atum 1., to furnish with openings or windows]; see window;

- [Cruciferae] septo hyalino, membranaceo, integro v. fenestrato (B&H), with the septum hyaline, membranous, entire or with windowlike openings.

- [Cruciferae] septo latissime fenestrato, demum evanido (B&H), with the septum very broadly windowed, eventually falling away.

- capsula transversim fenestrata nec in longitudinem dehiscente (B&H), with the capsule transversely fenestrate not dehiscent along the length.

- Menispermum fenestratum, cotyledonibus foraminibus fenestratis (DeCandolle), with the cotyledones windowed with foramina [openings].

- Cochlearia fenestrata siliculis ellipsoideis septo elongato fenestrato (DeCandolle), Cochlearia fenestrata with the silicles ellpsoid with the septum elongate fenestrate.

- [Eriocaulon] scapis nulla vagina cylindracea inclusis et foliis haud distincte fenestratis (etiamsi cellulosis et pellucentibus) (F. Mueller), with the scapes inclosing no cylindric sheath and with the leaves hardly distinctly fenestrate (even if cellulose and pellucent).

- Boletus est plantae genus, ad Fungum accedens, sed totus scrobiculis excavatus, vel fenestratus (Tourne.), Boletus is a kind of plant, approaching to “Fungus,” but the whole thing hollowed out with little pits or fenestrate [i.e. pierced with holes].

fenestrato-dissectus (part.A): deeply divided with broad openings;

- [lichen] thallus expansus, passim fenestrato-dissectus, scrobiculatus saepeque granuliferus (Nyl.), the thallus spread out, everywhere fenestrate-dissected [i.e. deeply divided with broad openings], scrobiculate [i.e. minutely pitted] and often bearing little grains.

Orthotrichum fenestratum, a moss with exostome teeth that are cancellate to the base, fenestrate and distally perforate, the fenestrate perforations large and square at the tip of the exostome teeth.