158 
Diplazium Pr. ep. 88 ; 
Asplenium auritum var. petiolatum Klf. in fil. Sieb. 
Ins. Mauritii (Sieb. syn. f. 66; fl. mixt. 299) Bourbonia (Bory). 
bb. Indusium basi apiceque paullulum vel non in parencbyma productum. (Spec. 66 — 89). 
a. Folia n. Caenopteridis (Spec. 66 — 70). 
66. A. Dregeanum Kz. Linn. 10. 517; f. I. 53. T. 27. 
Rhizoma erectum, paleis membranaceis ferrugineis ovatis acutis integris vel serru- 
latis obsitum; folia decumbentia laete viridia, infra paleis minutis ferrugineis e basi 
ovata acuminatis squamulosa, denique glabra; petiolus 2 — o“ longus, tenuiter marginatus, 
laxe paleaceus; lamina 6'' — V longa linearis basi paullulum attenuata, apice elongato 
plerumque prolifera, pinnatisecta ; segmenta numerosa approximata patenti-divergentia, 9"' 
longa, 4"' lata, e basi inferiore subdimidiato-cuneata, superiore truncala producta, trapezio- 
ovato-oblonga vel oblonga obtusa pinnatipartita, superiora sensitn decrescentia, suprema 
cuneato -obovata bi-trifida; laciniae ala manifesta confluentes, lateris superioris 3 — 5, 
inferioris 1 — 2, oblongae vel lineari- oblongae obtusae, basales superiores rectangule 
patentes maximae bifidae vel bis bifidae, plerumque steriles, superiores oblique patentes, 
indivisae, in latere antico monosorae; sori oblongi, l y// longi, medium laciniarum occu- 
pantes; indusium membranaceum paullulum in parenchyma productum marginem non 
tegens. 
A. brachypterum Kz. Linn. 23. 232; Lowe f. V. T. 15 B.; Hook. fil. exot. 44; 
A. obtusilobum Hk. ic. pl. 1000 ex auct. ? 
Prom. b. spei. (Sierra Leone). 
67. A. Thunbergii. Kz. Linn. 10. 517. 
Rhizoma repens caespitosum, paleis membranaceis fuscis lanceolatis acuminatis vesti- 
tum; folia membranacea laete viridia denique glabra; petiolus 3 — 4" longus, livido— 
stramineus marginatus laxe paleaceus; lamina 6 — 8" longa, elongato-oblonga, versus 
basin paullulum attenuata, acuminata pinnatisecta, hinc inde ex axillis segmentorum proli- 
fera; segmenta numerosa approximata patentia, 9'" longa, breviter petiolata, e basi infe- 
riore cuneata vel exciso-cuneata, superiore exciso-truncata breviter auriculata, trapezio- 
oblonga vel ovato-oblonga apice paullulum attenuato obtusa, profunde pinnatipartita, in- 
fima paullulum abbreviata, superiora sensim decrescentia et confluentia; laciniae utrinque 
6 — 8, spathulatae obtusae, basi inferiore decurrente coadunatae, basales superiores rectan- 
gule patentes maximae bi-trifidae, rarius pinnatifidae, pleraeque patentes subcurvatae, in- 
