43§ 



V. F. BROTHEEUS 



per totam longitudinem fusco-tomentosus, dense foliosus, pinnatim ramosus, 

 ramis patulis, simplicibus, vix ultra 5 mm longis, cum foliis c. 2 mm vel paulum 

 ultra latis, singulis longioribus, pinnatim ramulosis. Folia postica siccitate in 

 series duas reflexas, aristatas disposita, madore applanata, ovato-oblonga, ob- 

 tusiuscula, aristata, apice tantum minute serrulata; nervo in aristam longiusculam, 

 rigidam, subintegram excedente; cellulis laminalibus minutis, angulato-ovalibus 

 vel subrotundis, papilla media minutissima instructis, basilaribus oblongis. Folia 

 antica minora, late cordato-lanceolata, apice minutissime serrulata; nervo in 

 aristam longam, rigidam, subintegram excedente. Seta c. 1,5 cm alta, tenuis, 

 rubra. Theca suberecta vel inclinata, anguste cylindrica, arcuata, c. 5 mm 

 longa, pallida, aetate fusca, sicca plicatula. Operculum e basi convexa longe 

 rostratum. Calyptra parce pilosa. 



Masatierra : Sine loco designato (Bertero). In declivi septemtrionali 

 montis Yunque; ad truncos Filicum; 4 — 500 m. s. m. (282). Valle de Anson, 

 prope Plazoleta; ad truncos putridos, c. 260 m. s. m. (277, 281, 284). Valle 

 Colonial, Pico Central, ad terram 390 m. s. m. (261); Ouebrada Gutierrez, in 

 silva c. 300 m. s. m. (318, 324); Ouebrada del Monte Maderugo, ad truncos 

 silvae siccioris (260); Ouebrada seca, 435 m. s. m. ad truncos Myrceugeniae 

 (278, 321) et ad terram (320); in jugo ad Portezuelo, in Dicksonieto, c. 550 

 m. s. m. (297 p. p.) et in silva ad arbores et ad terram (262). Quebrada 

 Juanango, ad truncos in rivulo sicco (257, 262). Inter Villagra et Tres Puntas 

 locis humidioribus (323). Quebrada de la Choza, in silva 250 m. s. m. ad 

 terram (263). 



Masafuera: inter Sanchez et Token; ad truncos putridos in silva, 515 

 m. s. m. (259, 325). Ouebrada del Mono; ad truncos in silva, 475 m. s. m. 

 (280). Quebrada de las Casas; ad rupes praeruptas humidas (274, 326). 



Species Rh. tomentoso (Sw.) Brid. afflnis, sed foliis apice minute serrulatis 

 vel subintegris, cellulis laminalibus minoribus nee non theca anguste cylindrica 

 dignoscenda. 



Some expressions in CARDOT's diagnose led me to the conclusion that 

 his species was different from that collected by SKOTTSBERG, but the examina- 

 tion of type material removed all doubts as to their identity. The briefness 

 of Cardot's description justifies the more detailed one given above. 



Area: Endemic. 



Thuidiaceae. 



Thllidilim Bryol. eur. 

 Th. (Thuidiopsis) Masafuerae Broth, n. sp. 



Dioicum. Robustiusculum, caespitosum, caespitibus laxis, lutescentibus. 

 Caulis elongatus, procumbens, flexuosus, parce radiculosus, laxe bipinnatim ra- 

 mosus, ramis patulis, ad 1,5 cm longis, arcuatulis, attenuatis, ramulis subremotis, 

 brevibus. Folia caulina arcuato-patula, plicata, e basi late cordata raptim 

 lanceolato-subulata, c. 1,1 mm longa et c. 0,75 mm lata, marginibus basi recurvis, 



