A Grammatical Dictionary of Botanical Latin

Vitrum,-i (s.n.I), abl. sg. vitro: glass = both L. and Gk.

hyalus,-i (s.m.II), abl. sg. hyalo; see crystal, glass.

Vitrum,-i (s.n.I), abl. sg. vitro: glass = both L. and Gk.; hyalus,-i (s.m.II), abl. sg. hyalo; see crystal, glass; see lens; see microscope;

- sub vitro, under the glass [i.e. under a lens-shaped glass].

- in vitro, in glass: i.e. studies performed outside the normal biological context, such as in solution, in a culture medium, using glass test tubes, flasks, petri dishes, etc.

- (moss) seminula perquam exigua, vitris maxime augentibus superficiem reticulatam habere videntur (Hedwig), the exceedingly small seedlets [i.e. spores], are seen by the highest magnifying glasses to possess a reticulate surface.

- unde PEDVNCVLVS unius eiusdemque subinde perichaetii solitarius, gemellus tri-quadrimellusque, erectus, rubellus, modice longus, rigidulus, vasculis, ad parum augentia vitra, spiraliter ductis reperitur (Hedw.); whence a solitary PEDUNCLE [i.e. the seta] is found, of one and the same perichaetium, solitary, twin-born [paired], and three-four-born [i.e. triplets, quadruplets], that is erect, reddish, somewhat long, a little rigid, with spirally formed vessels in somewhat magnifying glasses [i.e. low-powered lenses].

NOTE: vitrum augens (part.B), a magnifying or enlarging glass; nom. pl. vitra augentia, magnifying glasses; vitrum parum augens, a low-powered glass (lens).

- [fungi] articuli filorum minutuli, per vitra nonnisi augentiora visibiles (S&A), the joints of the filaments nearly tiny, visible only through the more magnified glass [i.e. lens] [i.e. through a lens of a higher magnification].