287 



vestrium: J. M. Hildebrandt 1875; 1200 met. supra mare 



sub No. 1844: idem. 



Ex habitu ad Tamariscettam Faulensem (Thuidium ero- 

 sulum Mitt.) Samoanum aecedens, sed haecee species foliis 

 rameis minutissimis confertis valde papillosis, nervis dorso 

 valde alatis aculeato-abrupti s et aliis notis jam toto coelo 

 refugit. Flos masculus minutissimus, foliis dense eongestis 

 ovalibus vix acuminatis erectis. 



54. Hypnum (Thamnium) Hildebrandti n. sp.; 

 dioieum ; latissime laxissime cespitosum intense viridissimum 

 nitidissimum longe repens; caulis seeundarius nigrescens 

 angulatus suprapollicaris longiusculus fastigiatim dendroi- 

 deus, foliis minutis remotis squamaeformibus teneris, e 

 basi vaginata appressa latissime ovata in acumen elon- 

 gatum recurvum protracta integerrima, nervo latiusculo 

 obsoleto ad medium dissoluto, cellulis ubique teneris linea- 

 ribus laxis pellueidis; folia ramea distichaeea ramulum 

 depressum sistentia tenuia, e basi asymraetrica ad alam 

 unicam latiore lato-ovata, dente grosso lato acuto termi- 

 nata, supra basin usque ad apicem grosse dentata, margine 

 infero integerrimo revoluta, nervo lato attenuate ante 

 apicem evanido, cellulis teneris brevibus angustis rhombeis 

 valde chlorophyllosis aetate saepius pellueidis inanibus: 



* 



perich. in globuium robustum congesta pallida illis stipitis 

 similia recurve acuminata sed robustiora; theca in ped. 

 valido corneo rubro flexuoso glabro leniter inclinata sub- 

 cernuo-oblonga cylindracea, operculo brevi eonico obtusiu- 

 sculo; perist. d. ext. robusti late lanceolato-subulati eristati, 

 int. latiusculi parum breviores sulcati vix pertusi lenissime 

 asperuli, ciliis ternis interpositis appendiculatis brevioribus 

 hyalinis. 



Patria, Comoro - insula Johanna, 600—1000 met. 



