A Grammatical Dictionary of Botanical Latin

Perula,-ae (s.f.I), abl.sg. perula, nom. pl. perulae: perule, bud scale, “the covering of a leaf-bud formed by scales. Also a projection in the flower of Orchids formed by the enlargement of two lateral sepals. See Mentum. Also the same as perithecium, q.v. [fungi]” (Lindley) [> L. perula,-ae (s.f.I), a little wallet, a pocket > dim. pera,-ae (s.f.I) a pouch, bag];

- rami hornotini basi perulis scariosis triangularibus vel lanceolatis 1-2 cm. longis cincti, branches of current year gridled at base with perules (scales of leaf bud) scarious triangular or lanceolate 1-2 cm. long (Stearn).

- ALNASTER (= ALNOBETULA), est A. viridis, DC, cujus stipulae et squamulae sub spicis (perulae, Regel) solito majores sunt et spicae [femineae] praesertim vix ante foliorum evolutionem florent (B&H), Alnaster is Alnus viridis DC, the stipules and squamules of which] below the spikes (the perules, according to Regel) are larger than is usual and the female spikes chiefly flower scarcely before the unfolding of the leaves.

- perulis pseudostipularibus axillaribus, with pseudostipular axillary bud scales

Perula,-ae (s.f.I), abl.sg. perula: perule, “the same as perithecium, q.v.” [fungi] (Lindley).

Perularia,-iae (s.f.I) (NL. from perula scale of a leaf bud, from L. small wallet, dim. of pera wallet, fr. Gk. pera: a genus of leafy-stemmed greenish flowered terrestrial orchids with fibrous roots and a bracted spicate inflorescence (WIII].

Perularia (Orchidaceae) “differunt antherae loculorum valvis juxta extremitatem caudicularum dilatatis, glandulam demum includentibus. In pluribus speciebus Habenariae, glanduia valvis inclusa v. semi-inclusa evadit” (B&H), the anthers of the locules differ by the valves along beside the extremity [i.e. outer edge] of the caudicles dilated, then enclosing the glandule. In many species of Habenaria, the glandule is enclosed by the valves or becomes half-enclosed.

Tegmentum,-i (s.n.II), abl. sg. tegmento, nom. & acc. pl. tegmenta: “the scales of a leaf-bud; they are ‘foliaceum’ when modifications of leaves; ‘fulcraceum’ of stipules and petioles; ‘petiolaceum’ of petioles only; ‘stipulaceum’ of stipules only” (Lindley); the scales of a leaf-bud (Jackson).

“Buds: Naked [i.e. lacking scales], Gemmae nudae. Without any perule. Hippophae littoralis.

“Perulated, perulatae. Covered with a perule [bud scale]. Daphne, Syringa, Malus, Ficus, Pinus. [S. Gray]

“Perule: Perula (s.f.I), The cover of a bud.

“Simple, Perula integra. Formed of one piece, and therefore torn when the bud shoots. Persicaria and other polygoneae.

“Scaly, Perula squamosa. Daphne, Syringa, Malus.

“Petiolane, Perula petiolanea. Formed of enlarged and abortive leaf-stalks. Juglans.

“Stipulane, Perula stipulanea. Formed of stipules. Persicaria, Carpinus, Ficus” [S. Gray].