* 0 
Acrobolbus. FRANZ STEPHANI. SPECIES HEPATICARUM. A28 
adulta magis aperta, omnia squarrose patula, ambitu obovata, margine 
repanda, normaliter ad !/4 inciso-biloba, sinu recto obtuso, lobis 
inequalibus obtusis vel acutis, antico duplo angustiore; folia juvenilia 
remota, angustiora, ad medium biloba, lobo antico breviore angustissimo. 
Cuticula maxime aspera, papillis magnis conicis dense obtecta. Cellulz 
36 p, basales duplo longiores, trigonis magnis acutis. Amphigastria 
minuta, triangularia, obtuse papillata. Andrecia parva, mediana, bracteis 
3-A, basi saccatis, superne patulis, lobulo antico terlio erecto late trian- 
gulari. Antheridia magna solitaria vel geminata. Folia floralia caulinis 
majora. Pistilla foliolo parvo vaginatim convoluto apice bifidulo tecta. 
Hab. Tasmania (Hooker, Macgregor, Moore. Weymouth). 
4. A. excisus (Mitten) Schffn. in Engler et Prantl. I, p. 86. 
Syn. : Marsupidium excisum Mitt. Linn. Soc. 1877. 
Gymnanthe crystallina Mass. Giorn. bot. ital. vol. 17, p. 258. 
Marsupidium crystallinum Mass. Miss. scient. 1889. V, p. 229. 
Dioica, major vel magna, valida, glaucescens, dense ceespitosa vel muscis 
consociata. Caulis papillatus, normaliter ad 3 cm. longus, parum ramosus, 
ramis fere laleralibus, apice interdum in flagellam redicantem attenuatis, 
inferne stoloniferus, sub flore sterili innovatus. Folia caulina contigua 
vel parum imbricata, subrecte patula, ad anticum vergentia, valde concava, 
interdum fere conduplicatim concava, basi postica rotundata, antice 
longius decurrentia, ambitu quadrato-rotunda, ad '/: anguste excisa, lobis 
porrectis obtusis inaequalibus, antico angustiore. Cellulz apicales 27 y., 
medianz 27 »« 36 v, basales 27 »« 45 v, trigonis magnis, cuticula papillis 
magnis clavatis (ex angusta basi globosis) dense obtecta. Amphig. minuta, 
squamzformia facile evanida. Flores 9 terminales, folia floralia caulinis 
similia, multoties majora. Sacculus pendulus, obconico-cylindricus, radi- 
cellosus. Calyptra 2 Involucellum etc.? Andracia ? 
Hab. Fretum magell. (Spegazzini, Exped. Gazelle. Savatier, Cunnin- 
gham, Dusén); Kerguelen (Challenger Exped.). 
59. A. Wilsonii (Taylor) Nees. Syn. Hep., p. 5. 
Syn. : Jungermannia Wilsonii Taylor ms. 
Gymnanthe Wilsonii Nees. Syn. Hep., p. 192. 
Dioica, mediocris, flaccida, pallide virens, in sicco brunneola. Caulis 
e caudice repente ramosoque adscendens, ad 2 cm. longus, inferne stoloni- 
ferus, simplex vel parum ramosus, ramis semiposticis, sub flore sterili 
innovatus, radicellis pallidis fasciculatis repens. Folia caulina imbricata, 
plano-disticha vel leniter adscendentia, oblique inserta, basi postica 
rotundata, antice vix decurrentia, ambitu quadrato-rotundata, asym- - 
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