234 DR. J. D. HOOKER ON THE PLANTS 
genus is South African, but not hitherto found in extratropical 
North Africa. ' 
CRYPTOGAMIA. 
56. FILICES. 
l. GLEICHENIA DICHOTOMA, Willd. 
Hab. St. Thomas’s Island, summit of the Peak. 
2. CYATHEA, sp. 
Hab. St. Thomas’s Island, alt. 3000-7000 feet. Fernando Po and Came- 
roons Mountains. 
3. ADIANTUM /ETHIOPICUM, L. 
Hab. Cameroons Mountains, alt. 7000 feet. 
4. LoNcHITIS GLABRA, Bory. 
Hab. St. Thomas’s Island, top of the Peak. Cameroons Mountains, 
alt. 7000 feet. Fernando Po. 
A native of Natal and Bourbon. 
5. HYPOLEPIS PTERIDIOIDES, Hook. 
Hab. Fernando Po and Cameroons Mountains, alt. 7000 feet. 
6. CHEILANTHES FARINOSA, Kaulf. 
Hab. Cameroons Mountains, in lava-fields, alt. 7000-10,000 feet. 
7. PELLÆA HASTATA, Link. 
Hab. Cameroons Mountains, alt. 7000 feet. 
8. PTERIS 4-auRITA, Retz. 
Hab. Cameroons Mountains, alt. 7000 feet. 
9. PTERIS FLABELLATA, Th. 
Hab. Fernando Po, alt. 7000 feet. 
10. PTERIS AQUILINA, Linn. 
Hab. Cameroons Mountains, alt. 7000 feet. 
Also found at the level of the sea, on the Bagroo River and 
elsewhere in tropical Africa. 
ll. ASPLENIUM ANISOPHYLLUM, Kze. 
Hab. Cameroons Mountains, alt. 3000-7000 feet. 
12. AsPLENIUM ERECTUM, Bory. 
Hab. Fernando Po and Cameroons Mountains, alt. 3000-7000 feet. 
A fern of ubiquitous tropical distribution. 
13. ASPLENIUM MONANTHEMUM, L. 
Hab. Fernando Po, alt. 8000 feet. 
