‚atata) superne carinata; nervi ommino immersi, circiter 2“ 
distantes, obliqui, abbreviati; sori margine ad costam revoluto 
subvelati, nervorum anastomosi mediae inter costam et mar- 
ginem impositi. . 
Borneo (Wallace). 
Generis Yittariae species minima, parenchymati costali 
omnino non dilatata inter species sectionis Pitt. elongatae 
singularis ab omnibus congeneribus costa infra pro&minente 
inferne obtuse truncata, superne carinseformi recognoscenda. 
Vittarla Sikkimensis Kuhn. 
Rhizoma repens paleis memhranaceis, teneris, fuscis, 1 
—1°%'" longis lanceolatis, subulatis, serratis vestitum; folia 
subeoriacea, tenuia 1— 4” longa, vix 1“ lata, linearia, Nexu- 
osa, obtusa vel obtusinsenla hasi longius attennata, sessilia, 
costa infra immersa, supra preminula; nervi immersi, distan- 
tes; sori intramarginales, subtecti; parenchyma costale paullu- 
Iam dilatatum, indusium augustum efformans, margine revoluto 
sorum subtegente denique explanato indusiam ter superante. 
Pieropsis minor Moore in Hb. Hook, et Thoms. exd. 
syn. — Vittaria linearis Mett. mse. — 
India orientalis, Sikkim 4000 ped. (Hooker et Thomson) 
Moulmein (Parish). 
Nomen a Mettenio datum mutavi, cum jam Piz. lineata 
Sw. etiamqne Fit. linearis Mart. Gal. exstet. (K.) 
Vittaria Orbignyana Mett. 
Rhizoma repens paleis imbricato adpressis minutis 1’ 
longis, castaneis vel ovato-Ianceolatis vel subnlatis sensim at- 
tenuatis acuminatis e cellulis 4-seriatis, formatis, marginali- 
bus minoribus vel cellularam seriehus 6—8 formatis, dense 
obtuse denticulatis vestitnm; folia coriacen, tenuia 2° longa, 
1—1'"" lata, fiexuosa, linearia, basi longissime attenuata, 
