Pjjcfwtejeunea. fhanz stephani. species hepaticarum (Vol. V, 1914), 



Dioica, mediocris, flaccida, virens vel brunnea, corticola, dense 

 depresso-cffispitans. Caulis ad 3 cni. longiis, irregulariter breviterque 

 pinnatns, paucis ramis longioribus interjectis, similiter pinnatis. Folia 

 caulina imbricata, recte patula, concava, in plano late falcato-ovata 

 (1 min. longa, 0,85 mm. lata), asymmetrica, margine supero late 

 arcuato, postico substrico, apice late i'otundata, brevi basi inserta, 

 basi antica ionge truncata. Cellulx superge 18x 18 |i, basales 18x27 [x, 

 parietibus validis; ocelli plus minus numerosi, dispersi, majusculi. 

 Lobulus magnus, recte patens, folio duplo brevior, sublinearis, triplo 

 longior quam latus, carina substricta, sfricte in folium excurrens, 

 apice oblique truncatus, angulo acuto. Amphigastria caulina magna, 

 caule plus triplo latiora, rotunda, substrans verso inserta, apice ad V^ 

 vel magis profunde incisa, sinu semirecto, lobis late triangulatis 

 acutis. Perianthia obovata (1 mm. longa, 0,6 mm. lata) apice rotun- 

 data, rostro parvo, plicis posticis angustis, longius decurrentibus. 

 Folia tloralia perianthio a^quilonga, obovato-oblonga, apice rotundata, 

 lobwlus tertio brevior, lanceolatus, obtusus, profunde solutus. Amphi- 

 gastrium florale lobulo proximo connatum, ovato-ellipticum, apice 

 breviter inciso-bidentulum. Androecia sessilia vel inramulis terminalia, 

 bracteis ad 6 jugis. 



Hab. Puerlorico. Jamaica. 



15. Pycnolejeunea macroloba (Mont.) St. 



Syn. : Lejeunea macroloba. Mont. Ann. sc. nat. 1843, p. 260. 

 Phragmicoma testudinea. Tayl. J. of Bot. 1846, p. 386. 



Monoica mediocris flaccida, flavo - rufescens , in cortice dense 

 depresso-Ccespitans. Caulis ad 35 mm. longus, parum irregulariterque 

 pinnatus. Folia caulina conferta, recte patula, valde concava, in plano 

 ovato-oblonga (1,25 mm. longa, medio 0,9 mm. lata), apice rotundata 

 ad medium accreta, basi antica truncata. Cellulse superse 27 x 27 ji, 

 parietibus validis, basales 27x36 jjl, parietibus interrupte trabecu- 

 latis; ocelli pauci 36x54 (jl. Lobulus maximus, folio duplo brevior, in 

 situ fusiformis, oblique truncatus, in plano anguste conicus, duplo 

 longior quam latus, carina stricta, levi sinu in folium excurrens, 

 margine supero stricto, apice quam basis subduplo angustore, recte 

 truncato, angulo obtuso. Amphigastria caulina majuscula, caule triplo 

 latiora, transverse inserta, subrotunda, ad V^ inciso-biloba, sinu recto, 

 lobis late triangulatis acutis. Perianthia uno latere innovata, pyri- 

 orraia, apice rotundata, rostro brevi valido, plicis posticis angustis, 

 latd divergentibus. Fotia floralia perianthio longiora, obovato-oblonga, 



607 



