Descriptions of the Species. 
223 
flattened when nearly mature, afterwards involute, narrower, and 
recurved, all soriferous, and with a more or less paleaceous stipe 
one to three inches long, Veins forked, parallel. 
Old barren fronds from which the scales have fallen, resemble 
A. viscosum in texture, and general appearance ; but the fertile 
frond is quite distinct. 
Acrostichum hybridum. Bory. ; Hk. and Bkr. Syn. Fil. 403 ; Kuhn. Fil. 
Afr. 45 ; Wood’s Natal Ferns, 37. 
Elaphoglossum hybridum. Moore’s Index, 358. 
Tropical America, Africa, and African Islands ; growing on 
damp shaded rocks in wooded ravines. 
West. — Paarde Krall, Knysna (Burchell, 5 I 5 2 > Kuhn). 
Kaff. — Abundant in a ravine below Bayley’s grave, Perie ; also sent by 
Mr. Ely from locality uncertain. 
Natal. — Great Noodsberg, near Peel’s, Umlaas, and rare at Maritzburg 
(M‘Ken), Karkloof, 3000 to 5000 feet, and Drakensberg (Buchanan). 
143. Acrostichum Aubertii. Desv. 
Plate CXXXIV. Natural size. 
Rhizome short, firm, densely clothed in rather adpressed linear 
brown scales. Barren frond linear-lanceolate, entire, tapering 
gradually to the point and to the base, thinly herbaceous, reddish 
green, one to two feet long, three-quarters to one inch broad, with 
a herbaceous stipe three to six inches long. Stipe set with 
numerous, spreading or reflexed, lanceolate, brown scales ; mid-rib 
with scattered similar scales ; both surfaces with occasional smaller 
scales, and the margins sparsely fringed with small linear brown 
scales, all more or less deciduous. Veins fine, prominent in the 
thin lamina, rather distant, simple or forked, not reaching the 
margin. Fertile frond three inches long, half-inch broad, narrowed 
quickly to the point and to the base, fully occupied with sori, and 
having a paleaceous stipe eight to twelve inches long. 
Acrostichum Aubertii. Desv.; Hk. and Bkr. Syn. Fil. 406 ; Kuhn, Fil. 
Afr. 43. 
Elaphoglossum. Moore’s Index, 352. 
