AX ENUMERATION OP CULTIVATED FERXS. 291 
127. DICKSONIA. 
0. D. Youngii, Moore, Proc. Horl. Soc. — Hew South Wales. f 
128. CIBOTIUM. 
4. C. regale, Linden; Moore, Gard. Chron. (1864), 414. — 
Mexico.f 
CYATHEA. 
5*. C. insignis, Eat. Cibotium princeps, Linden, Cat . — 
Mexico. 
Obs. — P lants of this Fern were sent to this country under the 
name of Cibotium princeps ; but a plant in Messrs. Lee’s nursery 
having produced fructification during 1865 proves it to be a 
•Gyathea. 
Abstract of the number of species, and date of intro- 
duction ; — 
Exotic species at Kew in 1822 40 
Do. My Enumeration of Kew Ferns, 1846 ... 355 
Do. My Catalogue of Cultivated Ferns, 1857 ... 559 
This Enumeration, Exotic and British ... 1028 
Do. Fern Allies, Exotic and 
British 56 
Total in 1865 1084 
In closing this enumeration, I deem it necessary 
to state that a few species recently introduced to 
the Kew collection have failed to become esta- 
blished, after their names were entered on the list ; 
the principal of which are : Dicranoglossum furcatum, 
Aconiopteris nervosa, Pleocnemia Leuziana, Adian- 
ium lunulatum, Lomaria Fraseri, Asplenium lanceum, 
A. radiatum, Antigramma repanda, Polystichum 
nnomalum, Loxsoma Cunninghamii, Kaulfussia escu- 
Icefolia. Also the following, entered from my cata- 
u 2 
