A Grammatical Dictionary of Botanical Latin

perpetually, uninterruptedly, continuously, constantly, always, forever: perpetue (adv.), perpetuo (adv.); opp. discontinue (adv.), interrupte (adv.), discontinuously, interruptedly;

- ad rupes tophaceas perpetuo irriguas muscus crescens, (C. Mueller), a moss growing on tophaceous rocks continuously watered.

- [moss] genitalia perpetuo madefacta a noxià siccitate defendantur (Bridel), the sex organs perpetually made moist, may be defended from harmful dryness.

- [hepatic] Kerry, in cavernis ab aqua fluitante semper impletis, ad saxa perpetue submersa (Lindb.), ‘Kerry’ [Ireland] in grottoes always full from flowing water, on stones perpetually submersed.

- [Conferva trichodes virgata, sericea. The Beasom-like Silk Conferva] Porro observavi in dulcibus aquis, v. gr. in Rivo novo prope Londinum, in ericeto Hounsleiano ad trabes & asses molares, aquæ perpetuo immersas (Dill.), long ago I had observed it in sweet [i.e. fresh] water, for example in the New River near London, in the Housleian heath-land on mill timber and axle-trees, perpetually immersed in water.