-- 184 -^ 



trigona, latiora (Juam longa (1,33 mm longa, supra basin 1,67 mm lata) asymmetrica, margine supero 

 breviore, substricto vel leviter arcuato, infero multo longiore, apice obtusa, basi antica brevissime inserta, 

 caulem vix tegentia. G e 1 1 u 1 a o superae 18/18 \^ trigonis subnullis, basales 18/36 ;;. trigonis parvis, 

 cuticula dense verrucosa. 



San Mateo-Sunchal, No. 4450. 



67. Jamesoniella limbafa St. n. sp. (Fig. 96, b). 



Storilis, exigua, rufescens, in cortice caespitans. C a u 1 i s ad 8 mm longus, simplex vel parum 

 ramosus. Folia caulina confertissima, erecto-homomalla, valde concava, in piano reniformia 

 (1,67 mm lata, 1,17 mm longa) lata basi inserta, apice obtusa. C e 1 1 u 1 a e superae 27/27 ;i, basales 

 27/72 (1 trigonis nullis, marginales 18/90 (i, limbum bene distinctum formantes. 

 San Mateo-Sunchal, No. 4491. 



68. Jamesoniella nudifolia St. n. sp. (Fig. 96, c). 



Sterilis, major, rufescens, gracillima, rigida, aliis hepaticis consociata. Ca u 1 i s ad 7 cm longus, 

 simplex, stolonibus numerosis brevibus. Folia c a u 1 i n a rcmoliiisrula," sqnarroso patula, parum 



Fig. 97. Jamesoniella papUUfoUa St. n. sp. a toi. caul. 60:1; 6 toi. tlorale 60 1; c Amph. tlor. 60: 1; d Perianth 60: 1. 



concava, in piano optime rotunda (1,5 mm longa et lata) brevi basi inserta, utrinque breviter decurrentia, 

 integerrima. C e 1 1 u 1 a e superae 27/27 ji, trigonis parvis, basalis 27/45 [i, trigonis grosse ovalibus; 

 stolonibus sparsis brevibus. 



Cerros de Malaga, ca. 4000 m, No. 4409/b. 



69. Jamesoniella ovato-trigona St. n. sp. (Fig. 96, d). 



Sterilis mediocris rigida, tusco-virens, muscis consociata. C a u 1 i s ad 3 cm longus, simplex vel 

 parum breviterque ramosus, stolonibus numerosis, longis. Folia caulina contigua, erecto-homo- 

 malla, valde concava, in piano ovato-trigona, (0,83 mm longa, supra basin 0,67 mm lata) symmetrica, 

 apice obtusa, lata basi inserta, margine supero e basi rotundata substricto, intero similiter arcuato, basi 

 breviter decurrente. Cellulae superae 18/18 n, basales 18/54 ^ trigonis nullis, cuticula levis. 

 In valle Llave 4200 m, No. 4942. 



70. Jamesoniella papillifolia St. n. sp. (Fig. 97). 



Diüiea magna gracillima, in fupibus denso depresso-caespitans lateque expansa. C a u I i s ad 

 8 cm longus, parum longeque ramosus. Folia caulina contigua vel remota, subrotunda, 2 mm 

 longa et lata, utrinque breviter decurrentia, cauli lateraHter appressa, subhomomalla, integerrima. 

 Cellulae superae 27/27 n, basales 27/36 ji, trigonis parvis, cuticula papillata. Folia tloralia intima 

 ex angusta basi oblongo-elliptica (3 mm longa, medio 1,5 mm lata) apice longe attenuata, margine externo 

 integro, interno maxime grosseque lacerato. Amphigastrium florale foliis floralibus parum 

 breviu», protundissime bi- vel trifidum, laciniis valde irregularibus, lanceolatis vel linearibus, interdum 



