98 
THE FERN WORLD OF AUSTRALIA. 
NoTHOL^NA — Continued. p^c^B. 
Reynoldsii, F. v. M. See Grammitis Reynoldsii, F. v. M. 
vellea, E. Br. Woolly ... ... ... ... 70 
AGrostichu7n lanuginoswniy Desv. 
Acrostichum velleum, Ait. 
Cheilanthes vellea, F. v. M. 
Gymnogramme Broivnei, Kiilin. 
Notholoena Brotmei, Desv. 
Notholcena lanuginosa^ Poir. 
JNotholcena lasiopteris, F. v. M. 
Onoclea — from onos, a vessel, and kleio, to inclose ; referring 
to sori. 
nuda, Labill. See Lomaria discolor, Willd. 
Ophioglossum — Adder' s-tongue. 
costatum, E. Br.* 
ellipticum, Hook, et Grev. 
gramineiim, Willd. 
lusitaniciim, Linn, 
parvifolium, Hook, et Grev. 
pendulum, Linn. Eibbon Fern ... ... ,..20 
reticulatum, Linn. Netted. Perhaps some forms of 0. 
Yulgatum belong to this. 
vulgatum, Linn. Common Adder' s-tongue ... ... 19 
OsMUNDA — origin doubtful. 
barbara, Thunb. See Todea barbara, T. Moore, 
ternata, Thunb. See Botrychium ternatum, Sw. 
Parkbria — In honor of C. S. Parker, who first found the plant 
at Essequibo. 
pteridioides. Hook. See Ceratopteris thalictroides, 
Brongn. 
Pell^a — from pellos, black ; dark color of stipites. 
falcata. Fee. See Pteris falcata, E. Br. 
geraniifolia, Fee. See Pteris geraniifoHa, Eaddi. 
nitida. Baker. Supposed Cheilanthes caudata, R, Br. 
nudiuscula. Hook. See Cheilanthes tenuifolia, var. 
paradoxa, Hook. See Pteris paradoxa, Baker. 
rotundifoiia, Hook. See Pteris falcata, var. 
seticaulis. Hook. Pteris falcata, R. Br. 
Phymatodes — alluding to the swelled base of stipes from 
phyma, a tumour, or from phymata, tubercles ; the im- 
pressed sori, giving the appearance of tubercles on the 
upper side of frond. 
Billardieri, Presl. See Polypodium pustulatum, Forst. 
Platycerium — 
alcicorne, Desv. Elk's Horn ... ... ... 74 
Acrostichum alcicorne, Sw. 
P. milii, T. Moore. 
* The various forms of O. vulgatum, Linn, found in Australia, might be 
referred as representatives of all these species, except O. pendulum, Linn. 
