164 
magis approximati, quam margini; indusium membranaceum tenerum vix in parenchyma 
productum. 
A dimidiatum Lowe. f. V. T. 13 A.? 
Antillae (Schwanecke, Bertero, Bory), Brasilia. 
var. majus: Petiolus 4 - 8" longus, fere ad basin alatus; lamina 1' longa; segmenta laxe 
disposita, e basi inferiore exciso-cuneata , superiore truncata auriculata oblonga, inciso- 
serrata, infima paullulum decrescentia ; auricula subsoluta ; nervi plerique furcati. 
A Fernandezianum KI. Linn. 20. 255. 
Venezuela (Fk. et Schl. 249). Columbia (Mor. 23 b.) 
var. radicans: Petiolus 6 — 8" longus, apice plerumque radicans, ala usque ad medium petioli 
decurrente marginatus ; segmenta basi inferiore cuneata, superiore truncata obsolete vel 
manifeste auriculata, oblonga obtuse serrata vel profundius incisa; infima paullulum decres- 
centia ; nervi furcati. 
Brasilia (Martins 340, Moricand). 
78. A. camptorachis Kz. Linn. 24. 262. 
Rhizoma adscendens? paleis nigricantibus lanceolato-subulatis rigidis adpressis vesti- 
tum ; folia curvata membranacea laete viridia glabra; petiolus 1 — 2" longus, livido- 
stramineus, ala mediocri herbacea instructus; lamina 5 — 7" longa, lanceolata attenuata, 
apice gemmipara, pinnatisecta; segmenta nutnerosa subapproximata , patenti-divergentia, 
subsessilia, utrinque decrescentia; media 6 — 7'" longa, 214"' lata, e basi inferiore exciso- 
cuneata, superiore truncata auriculata, trapezio-oblonga obtusa, tenuiter duplicato- obtuse 
denticulata, inferiora remota deflexa e basi cordata utrinque auriculata ovato obtusa; 
auriculae nervum pinnatum excipientes steriles vel utrinque soriferae ; nervi manifesti nigri- 
cantes, utrinque 8 — 10, sub angulo 40 — 50° decurrentes, inferiores repetito-furcati, 
superiores furcati; sori utrinque 5 — 7, 1 — 1 '//" longi, costae subcontigui, marginem non 
attingentes; indusium membranaceum vix in parenchyma productum. 
Montes nilagirici. 
79. A. triste Elf. en. 170; Kz. Flor. 1839. Beibl. I 40. 
Rhizoma repens, paleis nigricantibus rigidis lanceolatis subulatis dense vestitum; 
folia coriacea livido-opaco-viridia glabra; petiolus lividus 2 — 4" longus, ala mediocri 
herbacea viridi marginatus; rachis alata; lamina V 2 — 1' longa, lanceolata pinnatisecta; 
segmenta numerosa approximata, imbricata patenti-divergentia, sessilia e basi inferiore 
cuneata, superiore truncata auriculata trapezio-oblonga obtusa, obtuse serrata vel inciso- 
serrata, e medio utrinque decrescentia; auriculae obtusae dentatae costulam pinnatam, 
