480 BULLETIN DK l'hkrbikr büissikr (2™« SÉR.). 1906 Lopfiocolea, 



Hab. Tristan d'Acunha (Challenger Expedition). Die Pflanze isl nicht zu 

 beschaffen gewesen. 



247. Lophocolea subrotunda Mitten. Philos. Trans. 1879 

 p. 396/401. 



Monoica hypogyna, minor pallida tenera in cortice laxe caespitans. 

 (Paulis ad 2 cm. longus capillaceus fuscus rigidus paruni ramosus. Folia 

 caulina 1 mm. longa, imbricata alternantia oblique adscendentia. apicibus- 

 valde decurvis, in piano late-ovata vel ovato-triangularia, marginibus 

 aequaliler arcuatis, apice quam basis quadruple angustiore, oblique emar- 

 ginalo-bidenlato vel biangulato, angulis acutis, in foliis inferioribus 

 obtusalis ; adsunt etiam folia integerrima apice truncato-rolundata. 

 Cellulœ papuloso-prominulEe, apicales 18 {x basales duplo longiores, trigo- 

 nis nullis. Amphigastria parva libéra, transverse inserta subrotunda,. 

 superne breviter quadrifida, laciniis mediis validioribus, sinu obluso. 

 Folia floralia trijuga ovata circumcirca irregulariler denticulala (dentibu& 

 superis ex parte validioribus) in axilla antica sub lobulo parvo inflexa 

 antheridium solitarium gerentia. Amphig. florale intimum ovalo-oblon- 

 gum dense irregulariterque spinulosum et duplicato-spinosum, apice ad 

 Vs bilobum, lobis porrectis magnis late lanceolatis integerrimis, siuu- 

 obtuso. Perianthia parum exserta, oblongo-triquetra profunde Iriloba,. 

 lobis grosse irregulariterque dentatis et spinosis sublacinulatis, apice 

 profunde inciso-bilobalo. 



Hab. Insnla Rodriguez (Balfour). 



248. Lophocolea humistrata (Tayl.) T. et H. Syn. Hepat. p. 70L 

 Syn. : Jung, humistrata Tayl. J. of Bot. 1845, p. 82. 



Monoica hypogyna mediocris flaccida, pallide virens vel flavo-virens, 

 muscis consociata vel laxe caespilosa. Caulis ad 2 cm. longus pallidus, 

 debilis parum ramosus. Folia caulina vix 1 mm. longa alternantia sub- 

 recte patula, parum imbricata antice decurrentia, adulta piano disticha,. 

 juniora erecto-homomalla, ovata vel ovato-oblonga, apice duplo-angus- 

 tiora, inferiora breviter emarginato-biloba, lobis Iriangulatis acutis,. 

 mediana retusa lobis obtusalis, superiora truncato-rotundala, integerrima. 

 Cellulœ apicales 27 (x basales 27^X 43 {x Irigonis majusculis subnodulosis 

 in parielibus validis. Amphigastria caulina parva libéra, transversa 

 inserta basi obcuneata apice quadrifida laciniis lanceolatis inlernis duplo 

 longioribus divergentibus. Folia floralia 2, caulinis multo majora valde 

 concava perianthio appressa basi vaginantia, apice breviter bifida rima 

 ^ngusta lobis oblongis obtusalis plus minus inaequalibus. Amphigas- 

 trium florale maximum foliis parum brevius, oblonge- rectangula- 



180 



