Bee 
dens. Caulis suberectus, subtripinnatus. Rami ramulique 
sensim decrescentes, discreli, Na 36 planum distichi. Folia 
imbricata adpressa, transverse caulem semiamplectentia, con- 
vexiuscula, diaphana, in sieco circa caulem sæpius convoluta, 
primaria ovato-rotundata, apice inſlexa, integra, subinde basi 
subundulata, ctera oblique cordato-ovata, apice inflexo acutata, 
integra, linea moniliformi conspicua notata. Auricule foliorum 
caulis primarii pleræque evolute, ovatæ, obtuse, subcanali- 
culatæ, sœpius a folio omnino distinete, cœterum et ad folia 
ramorum plerumque cucullato-obovatæ, obovatove-clavatæ, basi 
subbilabiatæ vel subbidentatæ, pedicello brevi horizontali, vel 
styliformi aut alæformi appendiculato adlixe, ramis parallel 
vel divergentes. Auriculæ interdum fere rotundat® observantur, 
Amphigastria erecto-patula, apice sinu obtusangulo-bidentata, 
margine toto fere recurvata, centro convexa, cterum varia, 
cardata, ovata, subquadrata, utrinque, vel uno tantum latere, 
in caulem breviter decurrentia, subinde demum subhastata vel 
semihastata. Flores dioici. Fructificatio in ramulis validis 
lateralibus, abbreviatis terminalis. Folia involuero proxima, 
patula, complicato-biloba, lobo ventrali ovato-triangulari, canali- 
eulato, dorsali oblique obovato, integra. Amphigastria eorun- 
dem profunde bifida, lobis rectis subparallelis, canaliculatis. 
Folia involucri adpressa, inæqualia, supero vulgo maiore, com- 
plicato-biloba, lobo ventrali angusto dorsali minore, parte libera 
decurvo, cœterum margine deorsum reflexo, integro, dentatove 
et circumscriplione pervario, lobus dorsalis obovatus, apice 
acutatus, vel mucronatus; margine supero dentatus. Amphi- 
gastria involucralia folia longitudine æquantia, circumscriptione 
plerumque cuneato-obovata, ad medium bifida, ambitu varie 
dentata, sinu angusto quandoquc appendiculato, segmentis oblique 
ovalis, ovatove-elongatis, margine interiore vel utroque rellexis. 
Perianthium obovatum e verlice rotundato in collum tubulosum 
longiusculum productum, le ve, trigonum, acie ventrali obtusa, 
inferne dilatata. Pistillidia gemina, quorum unicum tantum 
fertile, epigonio arcte adhærente longeque styligero vestitum. 
Capsula sphiroidea, sed perfecte maturam non vidi. Spore 
spharoidex vel ovoidem verruculos® , verrucis sub acrioribus 
vitris ambitu breviter radiatis, substellatis. Elateres validi, 
monospiri, vaginati. Rami antheridiferi capituliſormes, laterales. 
Folia eorundem pleraque subæqualiter complicato- biloba, fere 
cymbiformia. Antheridia exigua, pedicello tenui longiusculo 
adfixa. Cellulæ foliorum marginales subhemispheriex, reliquæ, 
prter basilares elongatas, quas inter, in foliis ramorum præ- 
primis, series cellularum moniliformis conspicitur, rotundatæ 
vel rotundato-angulatie, interstitiis latiusculis distinet®, granulis 
oblongis feete. Series cellularum moniliformium constat cellulis 
