A Grammatical Dictionary of Botanical Latin

fuscus,-a,-um (adj.A): fuscous, a somber brown, "'brown tinged with greyish or blackish' (Lindley); “dusky [i.e. dark], too brown for a gray; the word is akin to furvus” (Jackson); grayish-brown (Fernald 1950); 'very dark blackish brown' (Dade), but often used to indicate darkness of color" (Stearn); classically 'dark-colored, dark, black, swarthy, dusky, tawny' akin to furvus,-a,-um (adj.A); in Gk. = phae-, phaeo-, q.v.;

- luteofuscus,-a,-um (adj.A): blackish-yellow; rubrofuscus: blackish-red.

- flores versicolores, venis fuscis reticulati (B&H), the flowers variously colored, reticulate with the veins grayish-brown.

- semina angulata, testa fusca grosse punctata (B&H), seeds angled, the test grayish-brown coarsely dotted.

- arbor procera, ligno rubrofusco (B&H), a tall tree, with a dark red wood.

- testa laevi fusca v. rubra, fusco-castanea ,nitida saepe extus succulenta, with the test smooth, gray-brown or red, grayish-brown-chestnut, shining, often externally succulent.

- [lichen] thallus coloris nigri, fusci, obscure olivacei, raro cinerascentis (glaucescentis) (Nyl.), the thallus of a black [i.e. grayish-black] color, blackish-brown, dull olive, rarely ash-gray (bluish-gray).

- [algae] species autem Dilleniana ochracea est, fusca, pulla vel interdum viridis, quae notae in nostram sane non cadunt (Agardh), the Dillenian species, however, is ochraceous [i.e. ocher-yellow], grayish-brown, blackish-gray or sometimes green, which characters are decidedly not suitable to our [species].

Ophrys fusca Link – Sombre bee-orchid, dark bee-orchid.

Syrupus,-i (s.m.II) fuscus, molasses; see syrup.

NOTE: atr-, atro-, 'dark, black, obscure' may indicate a fuscous condition: atrovirens,-entis (part.B): dark green: Scirpus atrovirens Wild. 'dark green; from the fuscous spikelets' (Fernald 1950).