(VOL.Vl, 1922) FRANZSTEPIIANI. SFECIKS HEPATICARUM Isotuchis. 



Hab. Bolivia (Ilerzog legit). 



66. Isotachis renistipula St. n. sp. 



Sterilis mediocris gracilis flaccida, brunneola, laxe caespitans, 

 terricola. Caulis ad 3 cm. longus, tenuis, superne sparsim ramosus, 

 ramis brevibus parvifoliis. Folia caulina remotiuscula, recte patula, 

 conduplicatim concava, in plano 0,7 mm. lata, 0,6 mm. longa, 

 quadrato-rotundata, apice latissime leviterque emarginata, lobis 

 obtusis integerrimis, antico parum breviore. Cellulse superae 27 x 

 36 (X trigonis nullis, mediae 45 jj, trigonis parvis, basales 36 x 54 (x, 

 trigonis nullis, cuticula optime armata, superne grosse papillata, 

 inferne longe striolata. Amphigastria caulina parva, in plano 0,22 

 mm. longa, 0,33 mm. lata, reniformia, cauli appressa, breviter 

 excisa, lobis triangulatis, acutis porrectis. 



Hab. Africa orient. Lacus Kiwu (Mildbraed legit). 



67. Isotachis rupicola St. n. sp. 



Sterilis , fusco-brunnea, rigida, dense depresso csespitans. Caulis 

 ad 2 cm. longus, validus, simplex vel pauciramosus. Folia caulina 

 conferta, oblique patula, inflata, conduplicatim concava, in plano 

 rotunda (1,67 mm. longa et lata) apice breviter triloba, sinubus inse- 

 qualibus, altero profundo obtuso, altero late lunato. Cellulse superse 

 18 X 27 fjL basales 18 x 108 [i, parietibus validis, cuticula levis. 

 Amphigastria caulina reniformia (1,83 mm. lata, 1,5 mm. longa) 

 utrinque remote valideque tridentata, apice ad 1/3 biloba, sinu 

 amplo rotundo, laciniis late triangulatis acutis. 



Hab. Nova Caledonia (Lerat legit). 



68. Isotachis trifida St. n. sp. 



Sterilis, mediocris, gracilis flaccida, flavo-rufescens, aliis hepaticis 

 consociata. Caulis ad 5 cm. longus, sparsim longeque ramosus. Folia 

 caulina remotiuscula, squarrose patula, conduplicatim concava, 

 in plano subovata (3,25 mm. longa, medio 2 mm. lata) apice ad 1/3 

 inciso-trifida, laciniis lanceolatis, antica parum longiore et validiore, 

 reliquis duplo angustioribus subsequilongis. Cellulae superae 27 x 27 

 basales 18 x 45 [i, trigonis subnullis. Amphigastria magna, optime 

 ovata (2,25 mm. longa, medio 1,37 mm. lata) marginibus inferis 

 minute remoteque dentatis, apice ad 1/3 inciso-trifida, laciniis 

 lanceolatis cuspidatis sequalibus. 



Hab. Bolivia (Spruce legit). 



69. Isotachis valida St. n. sp. — Dioica magna gracilis olivacea 



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