FROM THE CAMEROONS MOUNTAIN AND RIVER NIGER. 169 
tibus suborbiculatis obtusis mucrone parvo incurvo basi cordato- 
auriculatis, marginibus integerrimis incurvis, lobulo parvo elongato 
cauli contiguo ad medium evoluto amphigastriis suborbiculatis basi 
cordatis appressis ad medium fere bifidis laciniis acutis marginibus 
ubique recurvis tecto, cellulis apice foliorum parvis rotundis medio 
oblongis ad insertionem majoribus hexagonis omnibus crasse limbatis, 
perianthio compresso dorso levi ventre unicarinato, foliis involucra- 
libus lobis oblongo-lanceolatis dentato-laceris. 
Hab. Cameroons Mountain, alt. 8000 feet, Mann. 
In size and habit allied to F. cordistipula, Nees ab E. The lobule 
in the ramuli more remote from the stem, and not covered by the amphi- 
gastrium. 
F. ANGULATA, sp. nov. Ramis gracilibus flexuosis rigidis, ramulis re- 
motis elongatis simplicibus pinnatis, foliis directione patentibus cauli 
involutis ovatis acutis, marginibus angulis obtusis subdentatis, cellulis 
rotundis intercalaribus distinctis basi paucis majoribus, lobulo angusto 
evoluto cauli contiguo, amphigastriis oblongis bifidis sinu laciniisque 
acutis marginibus recurvis medio carinatis basi aurieulis parvis cor- 
datis, perianthio compresso dorso levi ventre unicarinato, foliis invo- 
lucralibus amphigastrioque laciniis lanceolatis angulosis. 
Hab. Cameroons Mountain, alt. 8000 feet, Mann. 
Very near to F. atrata, N. ab E., but leaves more ovate and angulate. 
F. savarrosa, Nees ab E. 
Hab. Prince's Island, Mann. 
PLAGIOCHASMA, L.et L. 
P. AITONIA, Ldbg. et Nees. 
Hab. Cameroons Mountain, alt. 7000 feet, Mann. 
DUMORTIERA, N. ab E. 
D. HIRSUTA, Schw. 
Hab. Cameroons Mountain, alt. 4000 feet, Fernando Po, Mann. 
TARGIONIA, Raddi. 
T. HYPOPHYLLA, L. . "n 
Hab. Cameroons Mountain, alt. 7000 feet, with Plagiochasma Aitonia, 
Mann. 
DENDROCEROS, N. ab E. 
D. crispatus, N. ab E. 
Hab. Island of St. Thomas, Mann. 
AxvTHOCEROS, Micheli. 
A. picHotomus, Raddi. 
Hab. Cameroons Mountain, alt. 7000 feet, Mann. 
LINN, PROC.— BOTANY, VOL. VII. Q 
