68 STEPHANI, DIE LEBERMOOSE. 



maxime conferta, oblique patula, valde concava, navicularia, in piano subrotunda, 

 2 mm longa, medio 2,2 mm lata, apice 1 mm lata, basi utrinque rotundata, apice 

 breviter (ad Vs) biloba, sinn recto acnto, lobis late triangulatis valde inaeqnalibns, 

 antico duplo longiore duploque latiore. Cellulae superae 36 [x, trigonis maximis late 

 conflnentibus, basales 27x54 |x parietibus grosse trabeculatis ; cuticula le vis. Amphi- 

 gastria caulina foliis aequimagna, subaequalia, lobis apicalibus aequimagnis. 



Westpatagonien: Isla Atalaya im Ufergebiisch. 



Feuerland: Tal n. von Lago Fagnano in immergrunem Wald. 



125. I. fuegiensis n. sp. — Fig. 26 a, b. 



Sterilis, magna, brunneola, profunde caespitosa, rupicola. Caulis ad 6 cm longus, 

 superne ramosus, ramis subfasciculatis, longiusculis. Folia caulina conferta, oblique 

 patula, conduplicatim concava, in piano 1,2 mm longa, basi 0,40 mm lata, apice 1,2 

 mm lata, asymmetrica, grosse triloba, lobis inaequalibus, antico longiore et validiore, 

 0,65 mm longo, medio 0,53 mm longo, postico 0,33 mm longo, omnibus acutis anguste 

 triangulatis, integerrimis. Cellulae superae 27 |x validae, basales 27x36 ;x trigonis 

 majusculis. Amphigastria foliis parum minora, symmetrica, 1 mm lata, 0,'J mm longa, 

 ad medium trifida, lobis anguste triangulatis acutis porrectis integerrimis. 



Feuerland: Rio Olivia unweit Ushuaia. 



126. I. fusca n. sp. — Fig. 25 d, e. 



Sterilis, magna robusta, fusco-brunnea, profunde caespitosa. Caulis ad 8 cm 

 longus, parum longeque ramosus. Folia caulina conferta, oblique patula, valde con- 

 cava, in piano late ovata, symmetrica, 1,4 mm longa, medio 1,26 mm lata, apice 0,27 

 mm lata, ad V3 emarginato-biloba, lobis late triangulatis, acutis, porrectis, leviter 

 conniventibus, ceterum integerrima. Cellulae superae 18x27 \>. validae, trigonis saepe 

 bene distinctis, basales 18x72 ^ validae. Cuticula le vis. Amphigastria foliis aequi- 

 magna, ambitu late elliptica, brevissima basi inserta, supra basin utrinque angulata 

 vel brevi dente armata, apice ad 1 /a inciso-biloba, sinu recto subacuto, lobis late tri- 

 angulatis, acutis, extus parvo dente armatis. 



Westpatagonien : Strandfelsen bei Cerro Corcovado ; Est. Peel an feuchten Felsen 

 am grossen Gletscher. 



Siidpatagonien: Skyring, Estuario de los Ventisqucros am Ufer. 



Feuerland: Rio Olivia unweit Ushuaia. 



127. I. granditexta n. sp. — Fig. 26 c— e. 



Dioica, mediocris, fusco-olivacea, flaccidissima, terricola. Caulis ad 4 cm longus, 

 crassus, parum longeque ramosus. Folia caulina remotiuscula, oblique patula, semi- 

 amplexicaulia, maxime concava, in piano subrotunda, 1,33 mm longa et lata, vel la- 

 tiora quam longa, angusta basi inserta, apice breviter quadriloba, sinubus late luna- 

 tis, lobis late triangulatis acutis, antico majore, reliquis sensim minoribus, postico multo 

 minore. Cellulae superae 54 jj., basales 36x108 [x, cuticula levis. Amphigastria cau- 

 lina rudimentaria, exigua, saepe deficientia, ovata, apice irregulariter quadridentata. 

 Perianthia gigantea, 6 mm longa, oblonga, o re contracto, ciliolato. Folia jloralia bi- 



