75 
late ovata, hasi tri-deorsum quadripinnatiseota; segmienta pri- 
maria infima petielata, secnndaria et terliaria payca ut pri- 
maria superiora brevins petiolata, lanceolata apice atiennato, 
obtusinseula; pinnulae approximatae hreviter petiolulatae, ob- 
lique patentes, e basi inferiore dimidiata, superiore cumeato- 
truncata, rhachi parallela, ad angulum superiorem rotundata, 
trapezio- ohlongae, rectae vel leviter sursum curvatae, obtu- 
sae, incisae; lobi steriles leviter orenulati, fertiles retusi; sori 
leviter eurvato-ohlongi vel elongati, 4—-5 in margine supe- 
riore hinc inde et 1— 2 in margine antico. — 
Adiantum ornithopodum Presl. Tent. p. 158. (nomen.) 
Ad. curvatum Moore ind, p. 24. ex parte, 
Brasilia, Bahia (Moricand). 
Adianto brasiliensi Raddi proximum, quod rhachi- 
bus supra tomentellis, soris oblongis vel continuis satis dif- 
fert. (K.) 
Adiantum Brauuii Mett. 
Folia membranacea, flaceida, concoloria, glaberrima ; pe- 
tiolus 6“ longus cum rachibus eheneus; lamina 9 longa, 
ovata, basi tripinnatisecta; segmenta primaria longe petio- 
lata, oblonga, obtusa; secundaria petiolata, obovata, obtusa; 
pinnulae petiolulo 2“ longo insidentes, 7°“ latae, 5" longae, 
e basi superiore truncata angulo superiore rotundata, infe- 
riore cuneata vel exciso-truncata sublanatae vel semirotun- 
datae, obtusissimae, terminales hasi utraque exciso-truncatae, 
bi-vel trilobae; lobi steriles snbintegerrimi vel vix denticu- 
lati; sori ®— 3 lineares, subcontigui. 
Adiantum mexicanım A. Braun. in litt, 
Mexico (Karwinsky). 
Var. cuneata, 
Pinnulae minores basi magis enneatae; sori hreviores 
erassiuscnli. 
