48 The Philippine Journal of Science lai? 
costa inferne prominente fusca, superne canaliculata, non spini- 
fera ; segmentis ubique contiguis vel irabricatis, 3 ad 4 cm longis, 
1 cm latis, apice late rotundatis, integris, atroviridibus'; venis 
utroque latere ca. 14 fere ad costulam furcatis et 3 simplicibus, 
omnibus inconspicuis ; indusio angusto (0.6 mm lato) , soro aperto 
ultra 1 mm lato. 
Mount Kinabalu, Khota Balud to Kibayo, Topping 1488. 
A species clearly distinguished by its broad and close segments. 
PTERIS PURPUREORHACHIS sp. nov. 
Species gregis P. longipinnulae, stipite rhachique atropurpur- 
eis; stipite 30 ad 40 cm alto, basi paleis parvis pallidioribus 
praedito, sursum glabro, nitido; fronde 40 cm alta, deltoidea, 
parte apicale 20 cm alta; pinnis utroque latere 3- vel 4-paribus, 
stipitulatis sed petiolulis alatis, infimis furcatis, 20 ad 25 cm 
longis, acuminatis, ad alam 3 ad 4 mm latam pinnatifidis ; costa 
superne subbialata, spinulis ad insertiones costularum appressis ; 
segmentis fertilibus 7 ad 8 mm, sterilibus usque ad 1 cm latis, 
3 vel 3.5 ad 5 cm longis, obtusis vel acutis, inter se 2 ad 5 mm 
distantibus, apices versus serrulatis, membranaceis ; venis infimis 
plerumque bifurcatis, aut liberis aut more P. biauritae anasto- 
mosantibus et areolam unam costalem includentibus, sequentibus 
furcatis vel rarius bifurcatis usque ad 14-paribus, simplicibus 
ca. 3; soro sinum interdum transeunte, apice remoto, indusio 
pallido, 0.8 ad 1.0 mm lato. 
Mount Kinabalu, Lobang, Mrs. Clemens 10350 (type), Topping 1790. 
HU MATA Cavanilles 
HUMATA KINABALUENSIS sp. nov. 
Euhumata, H. repenti et H. alpinae affinis, perfectius dimorpha 
et dentium carentibus; rhizomate generis typicale, paleis mag- 
nis persistentibus, marginibus earum pallidis; stipitibus fron- 
dium sterilium 2 ad 3 cm, frondium fertilium 4 ad 5 cm altis, 
sparse squamosis; fronde sterile ca. 6 cm alta, 5 cm lata vel 
minore, pinnata, rhachi valida, pinnis infimis ad costam compla- 
natam pinnatisectis, segmento infimo basiscopico pinnatilobato, 
pinnis sequentibus incisis, segmentis oblongis vel obovatis, obs- 
cure serrulatis, obtusis, coriaceis, deorsum et inferne squamatis; 
fronde fertile aequale vel longiore, lamina valde angustata ; soris 
magnis in lobos truncates breves apicalibus, indusio quam alto 
latiore. 
Mount Kinabalu, below Paka Cave, Topping 1745. 
The sori are impressed on the fertile tooth, so as to produce swellings 
on the upper surface. 
