(VOL.VI, 1924) FRANZSTEPHANI.SPECIESHEPATICARUM FruUania. 



121. Frullania, Raddi. 



Cf. Vol. IV, pp. 316-469 [N. 1-230:, 470-570 \N. 1-190|, 571-589 

 [1-341, 589-616 !N. 1-531, 617-669 [1-100 et 670-685 ;N. 1-37;. 



(Sive 643 sp.) 



644. Frullania (Chonanthelia) Arsenil St. n. sp. 



Autoica minor brunnea corticola flaccida, arcte repens. Caulis 

 ad 2 cm. longus, irregulariter multiramosus. Folia caulina conferta, 

 parum concava, subrotunda (1,17 mm. longa et lata) antice caulem 

 late superantia. Cellulse superae 18 x 18 [i, basales 27 x27 (j. trigonis 

 minutis. Lobulus magnus, caule quadruplo latior, subrotundus, 

 ore oblique truncato, late aperto, folio breviter connatus. Amphi- 

 gastria caulina caule triplo latiora, obovato-obconica, ad 1/4 inciso- 

 biloba, lobis late rotundatis. Perianthia obovato-oblonga (2.75 

 mm. longa, superne 1,5 mm. lata) apice rotundata, rostro longo, 

 plicis posticis angustis longe decurrentibus. Folia floralia late 

 obovato-obconica (1,25 mm. longa) apice late rotundata ; lobulus 

 sequilongus vel parum brevior, ad medium solutus, late trian- 

 gulatus, obtusus. Amphigastrium. florale foliis floralibus gequi- 

 longum, anguste ligulatum, apice breviter emarginato-bifidum, 

 laciniis setaceis conniventibus. Androecia perianthio approximata, 

 capitata, bracteis 3-4 jugis. 



Hab. Mexico (Arsen legit). 



645. Frullania (Chonanthelia) bomboizana St, n. sp. 



Dioica major robusta, rufo-brunnea, flaccida corticola. Caulis 

 ad 6 cm. longus, ramis primariis paucis, 2 cm. longis, regulariter 

 breviterque pinnatis. Folia caulina conferta, recte patula, concava, 

 apice arcte angusteque recurva, in plano subrotunda, antice 

 caulem late superantia, basi antica circinatim appendiculata. 

 Cellulas superse 27x27[x trigonis majusculis, ubique fere sequales. 

 Lobulus magnus, concullatus apice acutus, arcte rostratus, decurvus, 

 appendiculum basale ex angusta basi subrotundum, magnum, folio 

 longe connatum. Amphigastria caulina maxima, foliis aequimagna, 

 subrotunda, basi profunde cordatim rotundata, apice leviter emargi- 

 nata, angulis acutis. Perianthia fusiformia (4,5 mm. longa, medio 

 1,5 mm. lata) rostro longo, plicis positicis angustis parallelis, usque 

 ad basim decurrentibus. Folia floralia obovato-oblonga, perianthio 



530 



