THE MUSCI OF THE JUAN FERNANDEZ ISLANDS 419 



Didyniodon Hedw. 



D. (Erythrophyllum) calympcridietyon Broth, n. sp. — Plate 26, fig. 

 16—20. 



Tenellus, caespitosus, caespitibus laxiusculis, glaucoviridibus. Caulis 

 erectus, vix ultra 2 mm altus, basi fusco-radiculosus, dense foliosus, simplex. 

 Folia sicca crispatula, lnunida patentia, subcarinato-concava, infima minuta, dein 

 sensim majora, linearia, obtusiuscula, mucronata, usque ad 1,4 mm longa et c. 

 0,25 mm lata, marginibus erectis, apice dentibus paucis aculeiformibus instructis; 

 nervo rufescente, infra summum apicem folii evanido, dorso superne scabro; 

 cellulis laminalibus angulato-rotundatis, chlorophyllosis, dense verrucosis, sub- 

 obscuris, basilaribus internis laxis, teneris, oblongo-hexagonis, hyalinis, externis 

 linearibus, limbum brevem 3 — 4 seriatum, lutescentem efformantibus. Caetera 

 ignota. 



Masatierra: Ouebrada Damajuana; ad terram; 345 m. s. m. (107). 



Species distinctissima, foliorum forma et areolatione dignoscenda. 



D. (Erythrophyllum) linearis Broth, n. sp. 



Gracilis, caespitosus, caespitibus densis, rufescentibus. Caulis erectus, usque 

 ad 1 cm altus, inferne fusco-tomentosus, dense foliosus, simplex. Folia sicca 

 crispula, humida erecto-patentia, carinato-concava, linearia, acutiuscula, mucro- 

 nata, usque ad 2 mm longa et c. 0,3 mm lata, marginibus erectis, apice den- 

 tatis; nervo rufescente, infra summum apicem folii evanido, dorso superne 

 scabro; cellulis laminalibus minutis, quadratis, verrucosis, subobscursis, basila- 

 ribus internis laxis, teneris, breviter rectangularibus, externis in seriebus non- 

 nullis linearibus, laevissimis. Caetera ignota. 



Masafuera: Ad rivulum prope Correspondencia; 1100 m. s. m. (380). 



Species distinctissima, cum D. rubello (Hoffm.) Bryol. eur. et D. alpigenac 

 Vent, comparanda, sed foliis linearibus, marginibus erectis jam dignoscenda. 



Tortula Hedw. 



T. scab riner vis (C. Miill.) Mitt. 



Masatierra: Portezuelo de Villagra; ad rupes; 590 m. s. m. (121). 



Area: Chile. 



T, flagellaris (Schimp.) Mont. 

 Masatierra: Sine loco designato (Bertero). 

 Area: Chile. 



Grimmiaceae. 

 Grimmia Ehrh. 



G. phyllorhizans Broth, n. sp. — Plate 26, fig. 21 — 24. 



Dioica? tenella, pulvinata, pulvinulis parvis, griseis. Caulis erectus, vix 

 ultra 3 mm altus, infima basi parce fusco-radiculosus, dense foliosus, ramosus. 



