10 ARKIV FOR BOTANIK. BAND 10. w:o 2. 
pinne beneath with many similar, but shorter and broader 
scales intermixed with hairlike fibrils. The fibre-like scales 
of the caudex less rigid, flat with a distinct black centre 
and broad hyaline borders. 
Falkland Islands: Port Stanley. C. SKOTTSBERG 8. 4. 
1902 n:r I. 81. 
A distinctly looking varietv but connected with the type 
by some forms from Fuegia. It is probably the same as 
Lomaria robusta Carm. from Tristan d'Acunha. 
Blechnum (Lomaria) longicauda n. sp. PLATE I. 
Syn. Asplenium longissimum Johow, Helechos de Juan 
Fernandez 33 (non BLUME). 
Juan Fernandez: Masafuera, in Quebrada de las Casas, 
n:r 465, 28. 8. 1908. 
Rhizoma? — Stipite ca. 15 cm. longo, stramineo, sparse 
et decidue paleaceo, supra sulcato. — Lamina folii sterilis 
lanceolata, pinnata, versus basin longe et gradatim attenuata, 
versus apicem pinnatifidum (in foliis non radicantibus) bre- 
viter angustata, in foliis majoribus rachi prolifera in caudam 
longissimam angustam sensim attenuata. — Rachi validius- 
cula, glabra, supra late sulcata. — Pinnis mediis maximis, 
lineari-oblongis, ad 15 cm. longis, 11/2 cm. latis, alternis, recte 
horizontalibus, 11/2 cm. inter se remotis, papyraceis subsessi- 
libus, basi truncatis vel subcordatis, utrinque subauriculatis, 
ad apicem sensim acuminatis, marginibus leviter crenato-den- 
satis irregulariter reflexis, ad apicem distinctius serratis, 
supra pure virentibus glabris, infra pallidioribus ad costas 
venasque pilis albidis pluricellularibus et squamis paucis te- 
nuibus, anguste linearibus vel filiformibus sparsim instructis. 
— Venis regulariter furcatis (raro bifurcatis), subtus leviter 
prominulis. — Pinnis inferioribus et superioribus sensim re- 
duetis, infimis 3 em. distantibus, auriculiformibus, supremis 
obtusis, 1—2 em. longis, 1 em. latis, numerosis. Zach? caude 
gracili bulbillifera: bulbillis (in folio viso) 6, inter se 15—20 
cm. remotis, magnis, radicantibus, paleis castaneis lanceolato- 
acuminatis, 1 em. longis 1 mm latis, densissime squamosis. 
This very remarkable fern was discovered by Jonow in the 
Quebrada de las Casas hanging down from rocks; he believed it 
