Pottiaceae 89 



lumine minutissimo, rotundato vel transverse ovali, minutissime papillosis, 

 basilaribus internis elongatis rectangularibus. Caetera ignota. 



S.: Modermatte der ktp. St. auf dem Liuku-liangdse, 27" 48', zwischen 

 Yenyüen und Kwapi, Kalkgrund, 3700—4200 m. 18. V. 1914 (2353). 



Species D. rufo LoR. affinis, sed statura robustiore folüsque longius acu- 

 minatis, marginibus basi tantum recurvis dignoscenda. 

 **/>. (Eudidi/modon) tenerrimus Bkoth. (Taf. I, Abb. 5). 



Dioicus; tenerrimus, caespitosus, caespitibus laxiusculis, lutescenti-viri- 

 dibus. Caulis erectus, ad 4 mm altus, infima basi fusco-radiculosus, dense foliosus, 

 innovando ramosus vel simplex. Folia sicca imbricata, humida erecto-patentia, 

 carinato-concava, caulina ovata, breviter acuminata, plerumque obtiisa, ad 

 0,5 mm vel paulum ultra longa, marginibus erectis, integerrimis ; nervo valido, 

 rufescente, infra summum apicem folii evanido, dorso scabro; cellulis quadratis, 

 minutissime verrucosis, pellucidis, basilaribus majoribus. Folia innovationum 

 minora, plerumque acutiuscula, pro parte apiculo hyalino terminata, dense 

 verrucosa, obscura. Bracteae perichaetii internae multo majores, late vaginantes, 

 raptim in acumen breve, obtusum contractae; nervo tenui; cellulis multo majori- 

 bus, pro maxima parte breviter rectangularibus, laevibus. Seta vix ultra 

 5 mm alta, tenuissima, lutescens. Theca erecta, oblonga, fuscidula, gymnostoma. 

 Operculum e basi conica oblique rostratum. 



NW-Y. : Am Hohlwegrand (Sandstein) in der tp. St. zwischen I^gulukö 

 mid Ganhaidse oberhalb der Wiese Haleko bei Lidjiang (,,Likiang"), 3250 m, 

 c. sp. 22. VII. 1914 (4321). 



Species statura tenerrima bracteisque perichaetii late vaginantibus, raptim 

 in acumen breve, obtusum attenuatis dignoscenda. 

 **/>. (Eudidymodon) ggmnosfomus Beoth. 



Dioicus; gracilis, caespitosus, caespitibus densis, fuscescenti-viridibus. 

 Caulis erectus, vix ultra 1 cm altus, basi fusco-radiculosus, dense foliosus, simplex 

 vel ramosus. Folia sicca crispula, humida erecto-patentia, carinato-concava, 

 lanceolata, acuta, ad 1,1 mm vel paulum ultra longa, marginibus revolutis, 

 integerrimis; nervo tenui, rufescente, continuo, laevi; cellulis laminalibus qua- 

 dratis, 8 — 10//, minutissime verrucosis, pellucidis, basilaribus paulum majoribus, 

 internis breviter rectangularibus. Seta c. 8 mm alta, tenuissima, rubra. Theca 

 erecta, oblongo-cylindrica, c. 1,5 mm longa, fusca. Annulus longe persistens. 

 Peristomium 0. Operculum ignotum. 



NW-Y.: Auf Schief erboden im wtp. Regen wald des birm. Mons. bei Bahan 

 am Lu-djiang (Salwin), 27« 58', 2400—2600 m, c. sp. 24. VI. 1916 (9064). 

 **D. (Eudidymodon) Handelii Bkoth. 



Gracilis; caespitosus, caespitibus densis, rufescentibus. Caulis erectus, ad 

 1 cm longus, basi fusco-radiculosus, dense foliosus, simplex vel ramosus, ramis 

 fastigiatis. Folia sicca adpressa, humida erecto-patentia, carinato-concava, 

 lanceolata, obtusiuscula, ad 1,5 mm longa, marginibus revolutis, integerrimis; 

 nervo sat tenui, rufescente, infra summum apicem folii evanido, dorso laevi; 

 cellulis laminalibus minutis, quadratis, papilla mmutissima media instructis, 

 basilaribus multo majoribus, rectangularibus, extemis brevioribus, laevissimis. Seta 

 c. 1cm alta, tenuissima, rubra. Theca erecta, minuta, oblongo-cylindrica. Annulus 

 longe persistens. Exostomii dentes erecti, fere ad basin divisi. Caetera ignota. 



