A Grammatical Dictionary of Botanical Latin

Plagula,-ae (s.f.I), abl.sg. plagula: a small area, space or region, a spot; a fungal colony; see colony [> L. plagula,-ae (s.f.I), dim. of plaga,-ae (s.f.I), q.v.: flat surface; region];

- plagulae epiphyllae rarius hypophyllae et caulicolae orbiculares velutinae tenues atrae 1-4 mm. diametro saepe confluentes, colonies growing on upper side of leaves, rarely on the lower side, and on stems orbicular often confluent velvety thin black 1-4 mm. in diameter (Stearn).

- [lichen] thallus facie obiter visus interdum fere eum Physciae pulverulentes var. pityreae imitat, sed glaucescens opacus et integrior; plagalas latit. pollicaris et ultra format (Nyl.), the thallus easily when casually looked at sometimes it resembles that of Physcia pulverulens, but it is glaucous, opaque and more entire; it forms colonies an inch and more in width.

- [lichen] thallus albidus granuloso-confluens subverrucosus, plagulas minores formans plus minus discretas (Nyl.), the thallus almost white, granulose-confluent, nearly verrucose, forming smaller more or less discrete colonies.

- [lichen] plagulas pollicares vel bipollicares format (Nyl.) it forms colonies one inch or two inches.

- [lichen] plagulis latitudinis circa pollicaris sistit (Nyl.), it consists of colonies around one inch in width.

- [lichen] foliola imbricata caespitem formantia depressam vel plagulam latitudinis pollicaris vel bipollicaris (Nyl.), the small leaves [i.e. of leaf-like lichens] imbricate, forming clumps, depresed or small areas [i.e. colonies] one or two inches in width.