A Grammatical Dictionary of Botanical Latin

porphyraceus,-a,-um (adj.A), porphyreus,-a,-um (adj.A), porphyricus,-a,-um (adj.A), porphyrius,-a,-um (adj.A), porphyriticus,-a,-um (adj.A: “brown, mixed with red. A warm red” (Lindley); “purple in color, purpureus” (Jackson); “warm reddish color” (Stearn 1990); (fungi) “porphyry-red; according to Saccardo, the same as ‘purpuraceous;’ perhaps between Spinel Red and Indian Lake” (S&D) [> L. porphyreticus,-a,-um (adj.A): purple-red, porphyretic (Lewis & Short) > Gk. porphyreos,-E, -on (adj.) purple; (of human complexion) bright-red, rosy, flushing; (Liddell & Scott)];

(geology) “a textural term for those igneous rocks in which larger crystals (phenocrysts or insets) are set in a finer groundmass which may be crystalline or glassy, or both;” relating to porphyritic rocks; “porphyry, a term given to an altered variety of porphyrite (porphyrites lapis) on account of its purple color, and afterwards extended by common association to all rocks containing conspicuous phenocrysts in a fine-grained or aphanitic groundmass. The resulting texture is described as porphyritic” (Dict. Geol. Terms. 1962. Amer. Geol. Inst.);

- [Grimmia longirostris; moss] locis scopulosis, apricis, in declivitate montis Chimborazo, altit. 2380 hexapod. super porphyrite (Hooker), in rocky places, open to the sky, in the slope of the mountain Chimborazo, 2380 hexapods in height [i.e. 6 x 2380 = 14280 ft) on porphyrite.

- in rupibus schistosis, basalticis et porphyraceis Galliae occidentalis (C. Mueller), on schistose, basaltic and porphyraceous rocks of western France.

- Ad rupes quarzosas et porphyricas raro arenaceas in siccas per totam Europam (Jaeg.Sauer.),

Amanita porphyria (Alb. & Schw. ex Fr.) Secr. a mushroom with a deep drab brown to livid brown cap.

- [fungus] Amanita porphyria nobis, pileo convexo nudo laevi e purpureo livescente, annulo subconcolore, lamellis et stipite albis (S&A), Amanita porphyria [described] by us, with a convex, naked, smooth pileus from a purple [color] to bluish-gray, with the annulus almost the same color, with the lamellae [i.e. gills] and stipe white.