(VOL.VI, 1924) FRANZ STEPHANI. SPECIES HEPATICARUM Frullania 



folio parum brevior, angustissimus, canaliculatim concavus, acutus, 

 medio infero cum amphigastrio bifido alte connatus, infundibulum 

 altum plicatum formans. Androecia numerosa, capitata, bracteis 

 trijugis. 

 Hab. Bolivia (Herzog legit) Mexico (Arsen). 



648. Frullania (Chonanthelia) fusiloba St. n. sp. 



Monoica mediocris, fusco-brunnea, in cortice depresso-ca^spitans. 

 Caulis ad 7 cm. longus, irregulariter pinnatus, hic illic bipinnatus. 

 Folia caulina imbricata, valde concava, apiceque arcte decurva, in 

 plano subrotunda (2,5 mm. longa et lata) dorso caulem superantia 

 basi antica late rotundata. Cellulae superse 27 x 27 (x, trigonis sub- 

 nodulosis, basales 27x36 fx trigonis acutis. Lobulus magnus, folio 

 duplo brevior, oblongo-fusiformis, cauli parallelus remotiusculus, 

 vertice rotundatus, plus duplo longior quam latus, folio longe 

 connatus, marginem folii superans, obtusus. Amphigastria caulina 

 magna, caule quintuplo latiora, subrotunda, apice arcte anguste- 

 que recurva, longissime exciso-bidentula, basi profunde sinuatim 

 inserta, alis ex parte liberis arcteque recurvis. Folia floralia intima, 

 ovata, apice grosse breviterque emarginato-trifida, laciniis pauci 

 dentatis. Lobulus ad 2/3 solutus, lanceolatus, acutus, canaliculatus 

 integerrimus, supra basin spina longa armatus. Amphigastrium 

 florale foliis floralibus aequilongum, ambitu ligulatum, ad 1/4 emar- 

 ginato-bifidum, lobis lanceolatis longe attenuatis, sub lobis spinula 

 parva externa armatum. Androecia parva, bracteis pauci-jugis. 



Hab. Mexico (Arsen legit). 



649. Frullania (Chonanthelia) grandiloba St. n. sp. 



Sterilis minor, fusco-rufa, flaccida corticola. Caulis ad 2 cm. 

 longus, dense irregulariterque pinnatus, ramis simplicibus vel 

 paucipinnulatis. Folia caulina conferta, concava, apiceque arcte 

 decurva, subrotunda, antice caulem superantia (1,33 mm. longa et 

 lata). Cellulae superae 27 x 27 fx trigonis subnullis, basales 36 x 36 (x 

 trigonis majusculis acutis. Lobulus giganteus, obovatus (1 mm. 

 longus, 0,5 mm. latus) evolutus, subplanus, margine interno vulgo 

 anguste arcteque incurvo, folio breviter distincteque connatus. 

 Amphigastria caulina maxima, caule quintuplo latiora, transverse 

 inserta, subcircularia, apice ad 1/5 inciso-biloba, rima angusta^ 

 lobis acutis. 



Hab. Mexico (Arsen legit). 



532 



