399 
P. amphostenon Kze, Caudice repenfe, crasso, pa- 
leis laneeolatis, longissime-acuminatis, integerrimis, atro- 
fuseis, deinde evanescentibus obsito; frondibus dense appro- 
ximatis, lanceolatis, acuminatis, membrauaceis, snperne 
undulato-repandis, in stipites longos, eompressos, basi ar- 
tieulatos sensim altenuatis; rhachi ntrinque prominente, pal- 
tide-straminea, glabra, supra plana, suhtus magis convexa; 
venarum areolis magnis immersis; soris sparsis, subiistan- 
tibus, pallide-fuscescentibus, parris; stipile compresso, ri- 
gido, pallide-gilvo, laevi, glahre, supra leviter - sulcato, 
subtes convexiusrulo, 
Caudex repens, paleaceus, deinde glaber, glauco - pruj- 
natus, crassitie pennae Anserinae, radicibus longis, fihrosis, 
ferrugineo-tomentosis. Stipes compressus, anceps, 3 — 6 
pollices longns, versns Apicem angnste-alatus, erassitie 
pennae columbinae. Zamina frondis 2 — 21/4 pedea longa, 
au basin 2 Jin. — supra medium 10— 14 lin. lata, 
Ad Meridaın Columbiae, Moritz u. 120 b, 
P. solutum Kl, Candice repente, palcaceo, tenui, 
deinde nudo, albido - glancescente; radieibns filiformibus, Jon- 
gis, parce ramesis, ferrngineo-tomentosis, sparsis; frondi- 
bns distantibus, lineari-lanceolatie, wiringae attenaalis, eur- 
vatis, eoriaceis, margine involnlis, Acuminalis, supra satu- 
rate- subtus pallide-viridibas, venis immersis; soris magnis, 
uniseriatis, e Navido- pallide-fuscescenlibus, ad paginam sa- 
periorem impressis; rhachi utriugue prominente, supra pla- 
niuscala, sublus convexa slipiteque ancipiti, compressiusculo, 
fliformi , stramineo. 
Candex repens, erassitie pennae eorrinae, ‚Taleae lan- 
eeolatae, Jonge acuminatae, squarrosae, castaneae, Stipes 
fliformis, 11/ — 4 poll. longus. Lamina frondis 3 — 6 
poll. tonga, 2—5 lin. lata. Sori lineam ia diamelro. 
