336 KEYS TO THE FERNS OF BORNEO 
2. D. viscidulum (Mett.) v. A. v. R. 
Dutch Borneo. 
Java. 
3. D. borneense (Hooker) comb. nova. 
Lastrcea borneensis Hooker. Icones Plant. 1854. 
Tab. 993. Leucostegia, J. Sm. 
Sarawak, Kinabalu. 
Endemic. 
My specimens from Western Sarawak and from 
Kinabalu are quite unlike, but 1 judge from Hooker’s 
descriptions that it varies considerably in Sarawak. 
20 . LEUCOSTEGIA Presl. 
a. Fronds bipinnate. 
b. Fronds hairy on rachises and costae 
6 1 . Fronds naked 
cu. Fronds tripinnate to 5-pinnatifid. 
b. Indusia large and persistent 
In. Indusia very small 
1. L. Hosei (Baker) comb. nova. 
Davallia Hosei Baker, y. ofBot. (1888) 323. 
Sarawak (Alt. Lambir). 
Local. 
2. L. nephrodioides (Baker) comb. nova. 
Davallia nephrodioides Baker, Journ. Linn. Soc. 24 
(1887) 257. 
Sarawak. 
Endemic. 
I regret the occasion of creating new names for the 
two preceding ferns, having seen neither, and being in- 
some doubt as to their real place. 
3. L. immersa Presl. 
Sarawak; identification made from a sterile specimen. 
Malaya to India. 
4. L. HYMENOPHYLLOIDES (Bl.) Bedd. 
Dutch Borneo, Alt. Kinabalu. 
India to Polynesia. 
1. L. Hosei. 
2. L. nephrodioides. 
3. L. immersa. 
4. L. hy menophylloides. 
