A Grammatical Dictionary of Botanical Latin

Rhizina,-ae (s.f.I), abl.sg. rhizina, nom. pl. rhizinae: rhizine, an attaching rootlet [> Gk. rhiza, root + -inus,-a,-um (adj.A), resembling]; rhizine; “(obsol.) the young roots of Mosses and lichens” (Lindley); “the same as rhizoid” (Jackson); rhizine, attachment organs on the lower side of foliose lichen thalli, root-hair of moss, root-like hair of fungi; (fungi) “a root-like hair or thread” (Ainsworth & Bisby); (fungi) “a term at one time used for a ‘rhizoid’ or an attaching rootlet; also, a roolike hair or strand” (S&D); see rhizoid;

- [lichen] pagina infera thalli e rhizinis tenellis confertis penicillatis hirtella, passim sub lobis subnuda vel denudata (Nyl.), the lower surface of the thallus hirtellus [i.e. minutely hairy] from somewhat soft [i.e. delicate] crowded penicillate [i.e. brush-like] rhizines, here and there below the lobes nearly naked or naked [i.e. lacking rhizines].

- [lichen] thallus subtus dense albido-rhizinosus, rhizinis haud longis (Nyl.), the thallus [below] densely whitish-rhizinose, with the rhizenes not long.

- [lichen] thallus infra quoque valde inaequalis umbilico rhizineo mediocri vel latiusculo (Nyl.), the thallus underneath also very uneven with a rhizineous, medium or slightly broad umbilicus.

- [lichen] thallus subtus concolor vel magis albescens adfixus (rhizinis non evidentibus) (Nyl.), thallus attached, underneath of one color or more whitish (with the rhizines not evident [i.e. clearly visible].

(Fungi) rhizine types, after Ainsworth & Bisby 1971:

1. rhizinae simplices (simplex: single robust hyphae),

2. rhizinae fibrillosae (fibrillosus: woolly-hirsute),

3. rhizinae papposae (papposus: brush-like tips), and

4. rhizinae fasiculatae (fasiculatus: intertwined into strands), after Ainsworth & Bisby 1971);

- rhizinis numerosis, simplicibus, fibrillosis, papposis, fasiculatis, with rhizines numerous, simple, fibrillose, pappose, fasiculate.

- rhizinis dendroideis, ramosis, with rhizines dendroid, branched.