A N:o 0) Musci novi japonici. 55 



cum foliis c. 2 ram latis, simplicibus vel ramulosis, obtusis. 



Folia sicca haud mutata, caulina erecto-patentia, ovato- 

 lanceolata, anguste acurainata, marginibus infima basi re- 

 curvis, serrulatis; nervö angusto, ad basin acuminis evanido; 

 cellulis anguste linearibus, basilaribus infimis laxioribus, 

 alaribus haud diversis. Folia ramea patentia, concava, laliora 

 et breviter acurainata, argute serrata, cellulis valde chloro- 

 phyllosis. Caetera ignota. 



H o n d o: Prov. Rikuzen, Siogama (E. I i s h i b a 339). 



Species pulchella, habitu plagiothecioideo notabilis. 



Oligotrichum mamillosum Broth. n. sp. 



Dioicum; gracile, fuscoviride. Caulis erectus, 1 — 1.5 cm 

 altus, infima basi fusco-radiculosus, dein denudatus, superne 

 dense foliosus, simplex. Folia sicca flexuoso-adpressa, hu- 

 mida patentia, infima minuta, dein raptim multo majora, e 

 basi vaginante lanceolata, c. 4 mm longa et usque ad 1 mm 

 lata, marginibus laminae argute serratis; nervö rufescente, 

 basi c. 0.010 mm lato, breviter excedente, dorso laevi, ventro 

 lamellis, 4, e cellulis c. 5 seriatis instructis; cellulis laminali- 

 bus quadratis vel subrotundis, c. 0.007 mm, alte mamillosis, 

 basilaribus anguste rectangularibus, pellucidis, interstitiis 

 punctulatis, marginalibus in seriebus nonnullis angustissimis 

 Caetera ignota. 



S h i k o k u: Mt. Ishizuchi (G. K o n o 205). 



Species distinctissima, foliis argute serratis, nervö dorso 

 laevi, cellulis laminalibus alte mamillosis, basilaribus anguste 

 rectangularibus dignoscenda cum nulla alia commutanda. 



