PuaTe 1604. 
DICKSONIA ABRUPTA, Bory. 
Fiuices, Suborder Potyropiacea, Tribe DicksonIEa, 
Dicksonia abrupta, Bory ; Hook. et Baker, Syn. Fil. p. 52; stipibus 
brevibus nudis cespitosis, frondibus lanceolatis simpliciter pinnatis 
glabris viridibus, pinnis inwquilateraliter lanceolatis antice productis 
facie prope marginem punctis paucis cretaceis preditis basi articulatis 
truncatis, fertilibus angustioribus, inferioribus sensim minorib 
venulis crebris arcuato-ascendentibus furcatis, soris copiosis patulis, 
rc bivalvi valvis coriaceis semiorbicularibus interiore paulo 
eres abrupta, Presl, Tent. p. 137, tab. 5, figs. 9-1 
Nephrolepis abrupta, Mett. Fil. Bork, Lips. Pp. 99 ; Kuhn, Wi Afric. 
p- 154. 
Has. urbon, Vt papa Balfour; Mauritius, Lady Barkly ; 
Rasen, Pervillé, 725 
lees sesquipedalis vel bipedalis, 4-5 poll. lata. Pinne basi 3-9 
atee 
This has the habit, the cretaceous dots and deciduous seed _ 
abn ana but the indusium is that of a normal Dicksonia 
g. 1. Portion of frond. 2. A single fertile roe both life size, 3, Margin of 
fertile pinna, showing sori or indusium, Enlar 
