Baker . — New Ferns of 1892 - 3 . 123 
HYMEN OPHYLLACEAE. 
4 *. Hymenophyllum lindsaeoid.es, Baker n. sp. Rhizomate 
filiformi nudo late repente, stipite brevissimo vel subnullo, 
frondibus lanceolatis glabris membranaceis pallide viridibus 
simplicibus crenato-lobatis ad basin angustatis, lobis uniner- 
vatis apice subtruncatis basi longe cuneatis, venis remotis 
erecto-patentibus in lobis centralibus, costa filiformi lamind 
concolori, soris ad apicem loborum solitariis, indusio brevi 
marginali concolori, labiis semiorbicularibus erectis irregulariter 
denticulatis leviter inaequalibus, receptaculo incluso. 
Hab. North-east Madagascar, Humblot 430 ! Received 
from Dr. Baillon in 1892. 
Lamina 1J-2 poll, longa, medio 2-3 lin. lata. 
A very distinct species, nearest to the well-known H. asple- 
nioides , Sw., of the West Indies and Tropical America. 
POLYPODIACEAE. 
4*. Lecanopteris incurvata, Baker n. sp. Rhizomate ignoto, 
stipitibus brevibus erectis strictis sordide stramineis nudis, 
frondibus oblongo-lanceolatis simpliciter pinnatis caudatis 
membranaceis glabris facie viridibus dorso glaucescentibus, 
rachi primario basibus confluentibus pinnarum ad vel 
supra basin anguste alato, pinnis multijugis, sterilibus lineari- 
oblongis integris obtusis, fertilibus angustioribus lanceolatis 
profunde crenatis, venis in areolis hexagonis copiosis venulis 
liberis inclusis anastomosantibus, soris ad apicem loborum 
solitariis inflexis, indusio oblongo-naviculari unilaterali per- 
sistente, margine integro. 
Hab. Sumatra, on the Barisan Mountains, between Kroe 
and Liwa, Hancock 88 ! 
Lamina 10-16 poll, longa, 3-4 poll. lata. Pinnae steriles 
6-7 lin., fertiles 3-4 lin. latae. 
Nearly allied to L. Curtisii i Baker in Hook. Ic. t. 1607, 
from which it differs by its deeply crenate fertile pinnae and 
large indexed indusia. 
52 *. Davallia (Microlepia) firmula, Baker n. sp. Stipitibus caes- 
pitosis elongatis gracilibus strictis supra basin stramineis nudis, 
K 2 
