v - 61 



gastria nulla; perianthium obovatum comprevssiusculum toto 

 superficie papillosum ventre obtuse carinatum. Habitat pa- 

 rasitice in foliis Thamnii flagellaris. 



III. Moose TOn Honolulu (Sandwichs-Insel.) 



? Hypnum gra mini col or J. A°M. viridis crassus; 

 caulis subspongiosus, procumbens hie inde radiculosus dense 

 pinnatus eompressiusculus, ramulis distiche dispositis diver- 

 gentibus; folia densa, lateralia cava erecto-patentia apicibus 

 incurvis, postica et antica subadpressa, omnia a basi latissima 

 rotundo-ovata breviter acuminata, ecostata; areolatio foliorum 

 e cellulis chlorophyllosis breviusculis oblongo-hexagonis utri- 

 culo primordiali saepe repletis, aegre in aqua reviviscentibus. 



Fructificatio latet. 



Plagiothecium Anderssonii J. A°M. Monoicum 

 molle tenellum fasciculato - radiculosum ; caulis intertexte 

 repens vage ramosus inordinate pinnatus, ramis brevibus 

 teneris inaequalibus compressis; folia disticha laxe imbricata 

 e basi concava lanceolato-acuminata patenti-divergentia inte- 

 gerrima, costis obsoletis; cellulae elongatae distinctae; folia 

 perichaetialia interna longissime acuminata; capsula in pe- 

 dicello elongato oblonga horizontalis, sicca et evacuata sub 



ore constricta, operculo conico brevi. 



M. Hermaphro- 



ditum fiiiforme flavescens; caulis elongatus flexuosus repens 

 vage ramosus et inordinate pinnatus, ramis inaequalibus di- 

 varicatis gracilibus attenuates ; folia distichaceo-patentia 

 anguste lanceolata longius acuminata caviuscula, costis nullis; 

 cellulae angustae sublineares subflexuosae, alares paucae 

 minutae vesiculares; folia perichaetialia interna spathulato- 

 obovata longissime acuminato-cuspidata; capsula in pedicello 

 glabro elongato oblique ovalis horizontalis; operculum e 

 basi conica breviter oblique rostratum. Plantae inter muscos 



alios repentes tenellae molles. 



Differt a Plag. Anderssonii caulibus multo longioribus, 

 florescentia hermaphrodita, foliis minus patentibus etc. 



Omalia intermedia J. A°M. Dioica? caulis secun- 

 daria elatus frondiformis dense bipinnatus ; folia complanata, 

 caulina ligulata scalpelliformia arcuata obtuse acuminata, 

 margine basi late inflexa apice grosse dentata, costa plus 

 minusve distincta vix medium attingente, ramulina obovata, 

 cellulae inferior es elongatae, apicem versus ovali-rotundatae ; 

 perichaetialia interna e basi ovata acuminato-linearia squar- 



rosa enervia parcius obtuse dentata. 



Campylopus densifolius J. A°M. Dioicus, humilis 

 caespitosus fusco-lutescens firmus; caulis adscendens dichotome 



