110 PROCEEDINGS OP THE AMERICAN ACADEMY 



2. Characters of some New Filices^ from Japan and Adjacent 

 Regions, collected hy Charles Wright in the North Pacific 

 Exploring Expedition under Captain John Rodgers. Com- 

 municated by permission of the Commander of the Ex- 

 pedition, by Daniel C. Eaton. 



1. Adiantuji monociilamys : gracile ; stipite rhachique ebeneo 

 nitido ; fronde ovato-lanceolata tripinnata ; pinnulis chartaceis glaber- 

 rimis longe pedicellatis anguste cuneatis obcordatis indivisis siccitate 

 striatis margine revolutis apice acute serratis in sinu monosoriferis ; 

 involucre orbiculari submembranaceo. 



Hill-sides near Simoda, Japan. 



2. Athyrium cystopteroides : caudice repente tenui vix pale- 

 aceo ; frondibus erectis stipiti gracili impositis membranaceis lance- 

 olatis pinnatis ; pinnis ovato-lanceolatis acutis pinnatipartitis, segmentis 

 (basilai'ibus nunc liberis) ovatis obtusis dentatis crenatisve supra gla- 

 bris subtus parce glandulosis, venis utrinque pubescentibus pinnatis, 

 venulis simplicibus vel furcatis ; indusio hispido margine glandulifero, 

 nunc oblongo lateri adfixo, nunc reniformi-orbiculari venultB insi- 

 dente. 



Var. /5. elatius ; pinnis lanceolatis pinnatisectis, segmentis oblongis 

 obtusis integris ; venulis simplicibus ; indusio minus hispido. 

 Ousima, Katonasima, and Anakerima, Loo Choo Islands. 



3. Lastrea lacera (Polypodium \a.cQY\xm,Thunh. Fl. Jap. p. 337 !) : 

 frondibus e caudice brevi crasso pluribus stipite breviori valde paleaceo 

 insidentibus subcoriaceis glabris subtus albicantibus oblongis acutis 

 bipinnatis ; pinnis late-lanceolatis acuminatis pinnatis vel pinnatifidis, 

 intermediis longioribus, superioribus contractis fructiferis ; segmentis 

 oblongis vel falcatis acutis serratis, basilaribus nunc utrinque subauri- 

 culatis ; soris confertis demum conflueutibus ; indusio orbiculari usque 

 ad medium fisso, sinu clauso lateribus inflexis. 



Simoda, Jajmn. 



4. WooDSiA (Hymenocystis) polystichoides : casspitosum, gla- 

 briusculum ; stipite brevi sparsim paleaceo ; frondibus erectis elongato- 

 lanceolatis pinnatis ; pinnis subcoriaceis confertis lineari-oblongis sub- 

 falcatis obtusis auricula majuscula e basi superior! semi-liastatis fere 

 integerrimis, inferioribus sensim rainoribus deflexis ; venis pinnatis, 

 venulis furcatis ; soris apice venulce superioris impositis prope mar- 



