Hygrolejeunea. franz stepham. species hepaticarum (Vol. V, 1914). 



perianthio duplo breviora, obovato-oblonga, inferne valde angustata, 

 apice rotundata, lobulus similliinus, paruni ininor, ad V^ solutus. 

 Amphigastrium florale foliis Iloraiibus sequiionguni, obovato-oblon- 

 guin, lobulis breviter connatum, apice rotundatum. Andrcecia parva, 

 in caule sessilia, bracteis trijugis. 



Hab. America tropica, valde communis. 

 / 18. Hygrolejeunea Sullivanti (Gottsche) St. 



Lcjeunea Sullivanti G. Ann. sc. nat. 1864, p. 151. 



Dioica, major, flavo- rufescens, flaccida, in humo spongiose csespi- 

 tans. Caulis ad 3 cm. longus, sparsim longeque ramosus. Folia caulina 

 dense imbricata, recte patula, valde concava apiceque arcte decurva, 

 in plato ovata, subsymmetrica (1,33 mm. longa, 1 mm. lata) apice 

 subacuta, brevi basi inserta, basi antica truncata, marginibus celluloso- 

 crenulatis. Cfi//M/« superae 27x27 jt, basales 27x^5 [x, parietibus 

 validis. Lobulus parvus, folio quadruplo brevior, ovato-triangulatus, 

 carina oblique adscendens, arcuata, amplo sinu in folium excurrens, 

 apice quam basis plus triplo angustiore, oblique truncato, angulo 

 spina valida armato. Amphigastria caulina gigantea, dense irabricata, 

 late reniformia (1,33 mm. lata, 0,75 mm. longa) sinuatim inserta, 

 apice leviter retusa, angulis vix prominulis. Perianthia psirYa., oblongo- 

 obconica, quinqueplicata, plicis longe decurrentibus, superne vaide 

 inflatis, umbonatim prominentibus, rostro parvo submerso. Folia flo- 

 ralia late obovata, perianthio parum beviora, marginibus grosse cellu- 

 loso-crenulatis, lobulus parum brevior, ad medium solutus, late 

 oblongus, similiter crenulatus acutus. Amphigastrium florale foliis flo- 

 ralibus sequilongum, obovato-obconicum, apice anguste retusum, 

 angulis acutis parum prominentibus, marginibus crenulatis. Androecia 

 ignota. 



Hab. Nova Granada. Venezuela. 



b. Fissisiipulce, obtusifoliee. 



19. Hygrolejeunea boliviana St. n. sp. 



Dioica minor dilute flavicans, in cortice caespitosa. Caulis ad 3 cm. 

 longus, sparsim irreguiariterque pinnatus, apice longe simplex. Folia 

 caulina dense imbricata, recte patula, concava, in plano optime circu- 

 laria (1 mm. longa et lata) ad medium inserta, basi antica rotundata, 

 marginibus irregulariter celluloso-crenulatis. Cellulse superse 18X18 [i, 

 trigonis majusculis, basales 27X36 [x, trigonis magnis. Lobulus par- 



531 



