A Grammatical Dictionary of Botanical Latin

-as,gen.sg.-adis (s.f.III), abl. sg. -ade; nouns derived from Greek;

      singular              plural
Nom.   monas (s.f.III)     monades      monas,-adis (s.f.III) a unit, unity.
Gen.  monadis (-os)        monadum
Dat.   monadi              monadibus
Acc.  monadem (-a)         monades (-as)
Abl.   monade              monadibus

NOTE: see First Declension TYPE D: -as,-ae (s.f.I).

NOTE: English nouns ending in -ad are the stem forms of these words: Asclepiad, decad, dyad, monad, tetrad.

Achras,-adis (s.f.III), q.v., abl.sg. achrade; = Gk. achras, “a wild pear-tree” (Lewis & Short); achras,-ados (s.f.III), “a kind of wild pear, Pyrus amygdaliformis; used for the tree as well as the fruit” (Liddell & Scott).

Asclepias,-adis (s.f.III), Asclepiade (Asclepiadaceae).

Cycas,-adis (s.f.III), abl.sg. Cycade (Cycadaceae).

Dryas,-adis (s.f.III), (Rosaceae).

Grias,-adis (s.f.III), abl.sg. Griade(Lecythidaceae).

Leucas,-adis (s.f.III), abl.sg. Leucade (Lamiaceae);

- Leucadi lamiifoliae arcte affinis, closely allied to Leucas lamiifolia.

Notothylas,-adis (s.f.III), abl.sg. Notothylade (Notothyladaceae); (hepatic): Notothylas > Gk. nôto, dorsal, in reference to the position of the sporophyte on the dorsal surface of the thallus and -thylas,-adis (s.f.III), ‘a sack,’ in allusion to the pouch-or sac-like shape of the reduced and protective involucres typical of the genus (FNA).

Najas,-adis (s.f.III) (Najadaceae).

Serapias,-adis (s.f.III) (Orchidaceae).

- decas,-adis (s.f.III), nom. pl. decades, gen. pl. decadum: a decade, or group of ten.

- dyas,-adis (s.f.III), abl. sg. dyade, subdivision of a tetrad, the Gk. number two.

- hebdomas,-adis (s.f.III), a week.

- lampas,-adis (s.f.III): “a light, torch, flambeau; also lampa,-ae (s.f.I) (Lewis & Short).

- parastas,-adis (s.f.III), abl. sg. parastadis: coronal ray of Passiflora, lit. 'doorpost.'

- tetras,-adis (s.f.III), abl. sg. tetrade, tetrad, the Gk. number four; also tetradum,-i (s.n.II), abl.sg. tetrado.

- trias,-adis (s.f.III), the Gk. number three.

- Leucas,-adis (s.f.III) 'the capital of the island Leucadia [Leucas lamiifolia]; the promontory Leucata' (Lewis & Short).

- Ipomoea Batatas (abl.sg. Ipomoea Batatade); Dioscorea Batatas (abl.sg. Dioscorea Batatade).

Atlantias,-adis (s.f.III) a daughter of Atlas (Glare); Cythereias,-adis (f., adj.) Cytherean; poetic for belonging or consecrated to Venus (Lewis & Short); Daulias,-adis (s.f.III); adj. Daulian (of Daulis,-idis (s.f.III), a city of Phocis); Dipsas,-adis (s.f.III),q.v., a kind of snake; Euhias,-adis (s.f.III), a Bacchante.

NOTE: Sassafras Nees is derived from an aboriginal name, used by early French settlers in the state of Florida (Fernald, 1950 p. 678). It is a neuter noun and probably indeclineable, as many aboriginal names are, i.e. spelled the same in every case, singular and plural.