(VOL.VI, 1922) FRANZ STEPHANI. SPECIES HKPATICARUM Tylimanthus. 



magis arcuato, basi caulem tegente, margine infero multo longiore, 

 apice leviter emarginata, obtuse producta, lobis inccqualibus, supero 

 multo latiore, marginibus ceterum ubique longissime ciliatis, ciliis 

 1 mm. longis, strictis unicellularibus, remotiusculis. Cellulae superse 

 36 X 36 (jl basales 36 x 72 [jl trigonis magnis, cuticula aspera. 

 Hab. Ecuador (Allioni legit). 



51 . Tylimanthus silvaticus St. n. sp. 



Pusilla, dilute virens, flaccida, terricola, pulvinatim caespitans. 

 Caulis ad 15 mm. longus, capillaris, virens, simplex vel parum lon- 

 geque ramosus. Folia caulina dense imbricata, oblique patula, 

 parum concava, in plano obovato-obconica (2,5 mm. longa, superne 

 1,4 mm. lata) brevi basi inserta, symmetrica, marginibus leviter 

 repandis, apice oblique emarginata, lobis brevibus, acutis, repandis, 

 inEequalibus, supero triplo angustiore. Cellulae superse 27 x 27 y., 

 medise 27 x 36 (x, basales 36 x 63 fi. trigonis majusculis acutis. 



Hab. Insula Juan Fernandez (Skottsberg legit). 



52. Tylimanthus spinosus St. n. sp. 



Sterilis minor flaccida, pallide virens, aliis hepaticis terricolis 

 consociata. Caulis ad 2 cm. longus, simplex, tenuis, virens et debilis. 

 Folia caulina contigua, squarrose patula, in plano late obovato- 

 obconica (4 mm. longa, medio 3 mm. lata) antice decurrentia, lata 

 basi inserta, margine supero regulariter breviterque spinoso, mar- 

 gine infero nudo. Cellulx superse 36 x 36 (j, trigonis majusculis, 

 basales 36 x 54 (i, trigonis parvis ; cuticula aspera. 



Hab. Nova Caledonia (Franc legit). 



53. Tylimanthus suhtilis St. n. sp. 



Sterilis major flavescens vel subhyalina, flaccida, gracilis, in 

 cortice laxe intricata. Caulis ad 4 cm. longus, tenuis, pallidus, 

 simplex vel furcatus. Folia caulina oblique patula, contigua, cana- 

 liculatim concava vel subplana, in plano sublingulata (1,83 mm. 

 longa, 1 mm. lata) asymmetrica, margine supero leviter arcuato, 

 superne remote breviterque dentato, margine infero substricto, 

 nudo, apice oblique truncato, similiter armato, angulis quidem 

 magno dente armatis. Celulse. superse 36 x 36 (jt, basales 27 x 54 (j, 

 parietibus tenuibus, trigonis nullis, cuticula aspera. 



Hab. Guiana batava (Suringar legit). 



54. Tylimanthus VVilmsii St. n. sp. 



Sterilis, parva, rigidula, flavo-virens, terricola, laxe csespitans. 



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