Bi 
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Flores © in ramis terminales, uno latere innovati; folia 
invol. caulinis aequilonga, ex angusta basi ovato - oblonga, 
obtusa, oblique patula, lobulo subaequilongo, pro more pro- 
fundissime soluto, lanceolato, acuminato; amph. invol. foliis 
Aloralibus aequimagnum, obovatum, ad ‚medium acute an- 
gusteque incisum, laciniis oblongis acuminatis, 
Perianthia magna, exciso-rostrata, clavato-oblonga vel 
oblongo-obeonica, superne quadriplicata, compressa, plieis 
ventralibus angustis acutis divergentibus, interdum in unam 
confluentibus, dorso plana. 
Hab. Norfolk Elend. leg. Isaac Robinson. 
Hygrolejeunea rostrata St. n. sp. Dioica, specta- 
bilis, Havo-rufescens stratificata pendulaque. Caulis usque 
ad 8 cm longus, pinnulis brevibus sparse instructus; folia 
ovato-falcata, dorso ampliata longe soluta caulem haud su- 
perantia, margine eelluloso- erenulata, valde concava apice- 
que recurvata, obtusa vel rotundata; lobulus folio plus duplo 
brevior, valde inflatus, convolutusque, ovato - fusiformis (in 
foliis adultis latior subtriangularis) carina maxime arcuata, 
sinu reeto in folii marginem excurrente, Cell. marg. 0,017, 
medio 0,025 regulariter hexagonae, basi 0,045: 0,025 mm; 
trigona magna, in cellulis basalibus confluentia; inerassatio in 
inedio parietum distincta. Amph. magna, remota, caule sex- 
tuplo latiora (infer. minora) cordiformia, basi profunde cor- 
data, alis rotundatis, liberis, ad medium acute angusteque 
ineisa, lobulis obtusis. Flores © in pinnulis terminales, uno 
vel utroque latere innovati, folia perich. caulinis similia, 
subminora, perianthio concave approximata, lobulo parum 
breviore, profunde soluto, lineari vel lanceolato obtuso. 
Amph. perich. magnum, spathulatum ad '/j; incisum rima 
angusta, lobis obtusis. 
Per. longe exserta, elliptica (juniora clavata) longe ro- 
strata, superne acute 5 plicata, plicis ventralibus divergen- 
tibus., Androeeia in caule primario lateralia, parva, trijuga, 
bracteis laxiusculis. 
Hab. Norfolk Island. leg. Isaac Robinson. 
Hygrolejeunea sacculifera St. n. sp. Dioica, 
parva, pallide virens, dense stratificata, caulis 3—4 cm lon- 
gus, pinnatim pauci-ramosus, pinnulis recte divergentibus, 
brevibus, aliis paucis longioribus. 
Folia recte patula, vix imbricata, plano-disticha, cellu- 
loso-erenulata, late ovata, apice truncato-rotundata, rare 80- 
lum obtusa, dorso caulem haud superantia, cell. margine 
0,017, medio 0,025, basi 0,025/0,035 mm, pellucidae, angulis 
medioque parietum mediocriter incrassatae ; lobulus parvus 
cauli acquilatus, turgidus, rotundato-triquetrus, extrorsum 
