Pallavicinius. franz stephani. spegies hepaticarum. S 



4. Hymenophytum leptopodum (Taylor). 



Syn. : Symphyogyna leptopoda Tayl. J. of Bol. 1844, p. 571. 

 Umbraculum leptopodum G. Ann. sc. nal. 1864, p. 180. 



Dioica, praecedenli simillima, minus robusta, sœpe tenera Qi flaccida, 

 dilute olivacea. Frondis pedunculus ssepe valde elongatus (ad 10 cm.) 

 flabella ut in H. flabellato, sœpe lamen muUo minus regularis, furcis 

 basalibus pinnalini patulis, reliquis multo longioribus, basi sœpe exalatis; 

 Costa semper exciirrens. Cellulœ alaruni 46 X 76 {j., sequaliter incrassalae, 

 versus marginem minores. Rami feminei in furcis primariis et secun- 

 dariis dispersi, involucro magno bilabialo, labio postico magno reniformi 

 integerrimo, antico minore simillimo. Sporœ vis minores. Reliqua ut in 

 prœcedenle. 



Hab. New Zealand (Colenso. Knight, Helms, Zürn, Kirk, Beckett Pelrie); 

 Tasmania (Weymouth). 



PALLAVICINIUS Gray. 182L 



Plantée médiocres, frondosse, tenerse, virides vel olivaceee, lerricolae 

 interdum corticolee, plus minus dense stratiflcalae, e caudice repente 

 sublerraneo procumbentes, simplices, rarius furcatae, ex apice attenuato 

 radicante continua tse vel postice e latere coslae innovatae; aliae inferne ad 

 costam reductaî, plus minus longe stipitatae, stipite erecto sublereli, 

 superne abrupte multifurcatae, furcis alatis flabellatim expansis. Costa 

 angusta, biconvexa, postice ssepe magis producta, in alas altenuata, cel- 

 lulis angustis elongatis formata, fasciculo fibrovasali centrali simplici 

 angusto et brunneo percursa. Alae latse et tenerœ in plantis procumben- 

 tibus vel angustse et crassse in erectis, subplanéc rarius crispatae, inte- 

 gerrimse vel dentatse, apice breviter inciso-bilobae ibidemque cellulis 

 clavalis muciferis dense oblectse, margine cellulis longis rectangulatis 

 limbatcß, in plantis procumbentibus haud rare asymmetricse (uno latere 

 angiistiores). 



Inflorescentia semper dioica. Involucra feminea anlica, medio frondis 

 vel ad basin fiircœ primariœ erecta, plus minus longe cupulata, ob 

 sqiiamas externe accretas crassa, superne ilaque duplicatira laciniata, 

 laciniis valde irregularibus. Perianthia subhyalina, interdum colorata, 

 cylindrica, valida, basi crassa, longe exserla, ore lobato vel laciniato vel 



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