(VOL. IV, 19i0). FRANZ STEPHANI. SPECIES HEPATICARUM Madotheca. 
minus late ligulatus, apice rotundatus, basi leviter cordatus. Amphigas- 
tria panim imbricata, appressa, late liguiata, duplo longiora quam lata, 
apice parum angustiore truncato-rotundato, basi breviter decurrentia 
et grosse appendiculata, appendicula libera subquadrata integerriraa 
cauli appressa. 
Hab. Argentina mbtropica (Chaco). 
62. Madotheca fragilis St. n. sp. 
Major fusco-virens, flaccida fragillima, dense depresso-caespitosa, 
corticola. Caulis ad 7 cm. longus validus fuscus debilis regulariter bi- 
pinnatus. Folia eaulina parum imbricata, recte patula, disticha, paruin 
concava in plano anguste ovata (2,8 mm. longe, 1,6 mra. lata), apice 
obtusa, dorso caulem tegentia ibidemque grosse angulatim producla, 
margine postico parura crispato basin versus plano pauciciliato. C<?//m/^ 
superaB 14Xt8 ^ tener», basales 48X36 ji trigonis parvis. Lobulm 
anguste ligulatus, ob margines incurvos bene canaliculatus, basi planus, 
angulo intemo appendiculato, appendiculo magno libero caulem tegenle 
varieque lobulato. Amphigastria caulina cauli squilata, ovato-triangu- 
lata, apice angusta truncata, basi plus triplo latiora utrinque latedecur- 
rentia, alis varie lacinulatis. Perianthia magna, oblongo-elliptica, ore 
contracto paiTo pluriplicato denseque pilifero. Folia ftoralia intima 
ovata, margine repanda vel obtuse lobata, lobulo ad medium soluto 
panim breviore angiiste lanceolato marginibus obtuse dentatis vel bre- 
viter pilosis. Amphigantrium flor. int. anguste ellipticum folio parum 
brevius, circumcirca irregulariter denticulatum. 
Hab. Argentina andina (Salta). 
63. Madotheca arborea Tayl., Syn. Hep., p. 731. 
Syn. : Madotheca loxemis Gottsche ms. 
Dioica, maxima, rigida. C«m/w ad 15 cm. longus, remote pinnat! 
pmnis oblique patulis breviusculis remote breviterque pinnniali- 
Folia caulina conferta, recte patula, ovato-oblonga (1,86 mm. longa. 
medio 1 ,33 mm. lata, apice obtusa, dorso parum ampliata caulem tegeo- 
tia, margine postico plus minus crispato, basi grosse laciniato, laciniis 
sirapHcibusvelitenim lacinulatis. Cellulw super^ 18 {i, media 18x2" a 
tenerae, basales 27x45 {t trigonis grosse nodulosis. Lohulm late ligu- 
latus apice rotundatus, niarginibus lateralibus arcte recur\'is, foHo 
uiinime coalitus, cauli breviter insertus, angulo interno grosse longeque 
laciniatus, laciniis irregularibus linearibus vel setiforraibus saepe pro- 
fundebiftdis. Amphigastria subcircularia, apice planatruncato-rotundata 
raarginibus lateralibus arcte recurvis, basi decurrentia varie inciso- 
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