A Grammatical Dictionary of Botanical Latin

systylius,-a,-um (adj.A) [> Gk. syn, with + stylos, a column]: systylious, “systylous (Berkeley)” (Jackson), “the lid [i.e. operculum] fixed to the columella in Mosses, and elevated above the capsulous when it dries’ (Jacksln); (in mosses) when the operculum remains attached to the columella tip after dehiscence, as in Hymenostylium recurvirostrum or Hennediella heimii. Often, when the capsule dries out the columella may be seen as a slender stalk elevated above the capsule mouth, the dried operculum attached to it, resembling a little hat; cf. systylus,-a,-um (adj.A).

[moss] Dissodon. Sectio I. Systylium. Operculum in columella siccitate exserta persistens; peristomii dentes geminati truncati et irregulares (C. Mueller), the operculum persistent on the exserted columella in its dried state; the teeth of the peristome twinned [i.e. paired] truncate and irregular.

[moss] Bryum systylium, operculo conico brevissimo atro nitido, dein columella subexserta elevato (C. Mueller), with the operculum conic, extremely short,(dull) black, glossy [sic], later elevated by the slightly exserted columella.

[moss] Desmatodon systylius; Systylium splachnoides

[Trichostomum systilium; moss] annulo simplici et operculo columella exserta elevato plus minus persistente (C. Mueller), with the annulus simple [i.e. not double] and with the operculum more or less persisting, elevated on the exserted columella.