straminea, tetragona, 1°” longa, lanceolata, acuminata, basi 
brevius attenuata, pimnatisecta; segmenta laxe disposita, ultra 
3" longa, %” lata distineta patentia, sursum adscendente ad- 
nata, deorsum soluta, linearia apice attenuato obtasiuscula, 
margine scarioso, attenuato, integerrima inferiora paullulum 
decrescentia, remota, utringae soluta, infima 174” longa; nervi 
distantes, furcati, apice inerassati, liberi, versus apicem et 
apice ipso sporangiis onusta, porro ad basin marginis kya- 
lini receptacnlo lineari, sporangiis ocenpato, nerris destituto 
instrnela. 
Costa Rica, Vulcan de Barba (Wendland 1066.). 
A Pi. biserrata Mett. cui proxima, feliis integerrimis 
diversa (K.). 
23. Cibetium Kif. 
Cibotium prulnatam Mett, 
Truneus arborescens, pilis rufo-fuscis, setaceis densis- 
sime, vestitum; folia coriacea, infra dense pruinata pilisque 
minntissimis, ramosis mox evanidis obsita, supra glaberrima, 
bipinnatisecta; rhaches laeves; segmenta primaria manifeste 
petiolata 1": —®%“ longa, oblonga, aeuminata, secundaria pe- 
tiolalata, 5 longa, 10°“ lata, lineari-oblonga, breviter acu- 
minata, pinnatipartita, apice serrulata; laciniae ala 1% — 2'h’" 
lata confluentes, ovato- oblongae obtusae, inaequaliter obtuse, 
sed manifeste denticulatae; nervi utrinque prominuli steriles 
plerumgne furcati, densiores, fertiles indivisi, infimi paullulum 
sapra sinum marginem altingentes, infimi externi e costa 
emissi; seri 3—6 in uiroque margine laciniarum contigui; 
involuerum corneum; indasium linguaeforme oblongum, invo- 
Incro angustins. 
Cibotium Menziesii Brack. expl. 880. t. spec. orig. et 
descript. prohabiliter ex parte, 
