A Grammatical Dictionary of Botanical Latin

Sac (Eng. noun, shortened form of L. ‘saccus’): a pouch (Jackson); “a pouch within an animal or plant; a soft-walled cavity usu. having a narrow opening or none at all and containing in many cases a special fluid. A sack” (WIII): saccus,-i (s.m.II), abl. sg. sacco [> L. saccus,-i (s.m.II), abl. sg. sacco, a bag, or pouch, a sack > Gk. sakkos or sakos (s.m.II), a sack, bag; also a sieve, strainer (i.e. bag used to strain liquids, such as wine)]; see sack; see pouch; see sacculus,-i (s.m.II).

Eng. words using ‘sac;’

Air Sac, “an empty cavity in the pollen of Pinus.”

Embryo Sac, q.v.

Tannin Sac, a cell secreting or containing tannin; (perhaps:) tannin sac: saccus tannini, a sac of tannin [= gen.sg. tanninum,-i (s.n.II); saccus tannicus (adj.A): tannic sac.

- [Aconitum] petala 2 superiora(cuculli, nectaria) longe unguiculata apice in saccum expansa sub galea recondita (DeCandolle), petals 2, the upper ones (the cuculli, the nectariums) long-unguiculate, at the apex expanded into a sack hidden under the galea.

- [Aconitum] cucullorum sacco amplo subrotundo obtusissimo ecalcarato (DeCandolle), with the sac of the cuculli [i.e. terminal hoods] nearly round, very obtuse, lacking a spur.

- [Orchideae] labellum ad apicem pedis columnae profunde saccatum, supra saccum longe angustatum, lamina linguiformi v. ovata. Columna exalata, pede brevi (B&H), the lip at the apex of the foot of the column deeply saccate, above the sac narrowed some distance, the lamina tongue-shaped or ovate. The column wingless with a short foot.

- petala 2 superiora(cuculli, nectaria) longe unguiculata apice in saccum expansa sub galea recondita (DeCandolle), petals 2, the upper ones (the cuculli, the nectariums) long-unguiculate, at the apex expanded into a sack hidden under the galea.

- [Aconitum] cucullorum sacco amplo subrotundo obtusissimo ecalcarato (DeCandolle), with the sac of the cuculli [i.e. terminal hoods] nearly round, very obtuse, lacking a spur.

- [Aconitum] sacco cncullorum fere nullo, calcare crasso spirali (DeCandolle), with the sac of the cuculli [i.e. terminal hoods] almost none [i.e. absent], with a thick, spiral spur.

- [Orchideae] labellum ad apicem pedis columnae profunde saccatum, supra saccum longe angustatum, lamina linguiformi v. ovata. Columna exalata, pede brevi (B&H), the lip at the apex of the foot of the column deeply saccate, above the sac narrowed some distance, the lamina tongue-shaped or ovate. The column wingless with a short foot.

Diverticulum,-i (s.n.II), q.v., abl.sg. diverticulo, nom. & acc. pl. diverticula, dat. & abl. pl. diverticulis: a diverticule, sac, pouch or pocket opening from a hollow organ.

Embryo sac, q.v.:

a. “the vesicle of the nucleus of an ovule, within which the embryo is formed” (Lindley): saccus,-i (s.n.II) embryonis [gen.sg. embryo,-onis (s.m.III); also saccus embryonarius (adj.B)]; saccus amnioticus (adj.A); sacculus,-i (s.m.II) amniotoicus (adj.A).

b. “the cell in the ovule in which the embryo is formed, also by some termed the macrospore” (Jackson); megaspore (more correct than macrospore), “the embryo-sac in Phanerogams” (Jackson): megaspora,-ae (s.f.I); see ‘embryo sac.’

Loculus,-i (s.m.II): see pollen next:

Pollen-sac; anther sac: locule, the cavity of a pollen sac or ovary: loculus,-i (s.m.II). abl. sg. loculo, 'small cavity or chamber;’ also theca,-ae (s.f.I), q.v.

Sacculus,-i (s.m.II), q.v., abl.sg. sacculo, a little or minute sac, sack or bag.

Saccus,-i (s.m.II), for straining wine:

- Palladii Opus agriculturae 3,25,11: VINVM PIRI ET ACETVM. Vinum de piris fit, si contusa et sacco rarissimo condita ponderibus conprimantur aut prelo, Palladius’ work on agriculture 3,25,11: ‘a wine and vinegar [i.e. sour wine] of the pear. A wine is made from the pears, if crushed and [stored, collected] in a loosely woven sack [i.e. bag to strain liquids], they are pressed together with weights or a press.

Spore-sac, ‘spore case,’ sporangium, q.v.; (in mosses) the spore sac of a capsule or, generally, the entire capsule; ‘spore sac’ (bryophytes) “layer(s) of cells lining the inside and outside of the archesporium” (Magill 1990): sporangium,-ii (s.n.II), abl.sg. sporangio: saccus sporogenus (adj.A), saccus sporifer (adj.A).

Archesporium,-ii (s.n.II), abl. sg. archesporio: the embryonic tissue of a capsule eventually undergoing meiosis to produce spores; (bryophytes) “mass of cells within the capsule, ultimately giving rise to spores and sometimes elaters” (Magill 1990).

Theca,-ae (s.f.I), q.v.: theca, the pollen-producing sectors (microsporangia) of an anther, the pollen-sac, q.v. above.

Water-sac: “Sacs (water): peculiar bowl-shaped leaflike organs in Hepaticae (Warming)” (Jackson); “the enlarged water-sac on the first branch leaf of Ceratolejeunea” (Magill 1990): utriculus,-i (s.m.II), q.v.; see pouch.

sac-shaped, having the form of a sac or bag, saccate, pouched, bag-shaped: saccatus,-a,-um (adj.A), sacciformis,-e (adj.B); see pouch-shaped.

saccule-shaped, shaped like a little sac or bag: sacculiformis,-e (adj.B.)