(Vol. V,1914). HiANZ stepham. sfECiES hepaticarum Rectolejeunea. 



Sterilis major flaveseens, flaccida, corticola. Caulis ad 3 cm. longus, 

 parum longeque ramosus. Folia caulina conferta, recte patula parum 

 eoncava, in plano ovato-oblonga (1,17 mm. longa, medio 0,75 mm. 

 lata) apice angustiore, rotundato, brevissima basi inserta, basi antica 

 truncato-rotundata, asymmetrica, margine infero substricto, supero 

 late arcuato, integerrima. Cellulte siiper» 18X18 |x, basales 18X27 

 parietibus validis. Lobulus majusculus, ovato-oblongus, subdnplo lon- 

 gior quam latus, in plano late ovatus, carina leviter arcuata, stricte in 

 folium excarrens, apice quam basis triplo angustiore, emarginato, 

 angulo spina valida longissima hamata armato. Amphigastria caulina 

 iii.i.jtisi-til<i. ruuN' siibtripln latiora, subrotunda, transverse inserta, ad 



Hab. Cuba, Puertorico, America septentr., Bahama Insulx. 



5. Rectolejeunea Bornmulleri St. n. sp. 



Dioica mediocris, pallide virens, flaccida, corticola. Caulis ad 2 cm. 

 longus, irregulariter bipinnatus. Folia caulina parum imbricata, recte 

 patula, concava, in plano late ovata, symmetrica (1 mm. longa, medio 

 0,83 mm. lata) apice obtusa, brevi basi inserta, basi antica truncata. 

 Cellulm superse 18X18 ji, basales 18X36 jj. parietibus validis. Lobulus 

 parvus, folio sextuplo brevior (saepe obsoletus) late triangulatus, carina 

 substricta, stricte in folium excurrens, apice quam basis subduplo 

 angustiore, oblique emarginato, angulo acuto. Amphigastria caulina 

 magna, caule triplo latiora, transverse inserta, ad 2 / 3 biflda, sinu recto 

 obtuso, lobis anguste lanceolatis porrectis acutis. Perianthia uno latere 

 innovata, pyriformia (1,33 mm. longa, superne 0,75 mm, lata) apice 

 rotundata, rostro parvo, plicis posticis angustis, longe decurrentibus. 

 Folia floralia perianthio duplo breviora, obovato-oblonga obtusa lobulus 

 duplo brevior, profunde solutus, oblongus, obtusus. Amphigasirium 

 florale foliis tloralil,us aequilonguin late ovato-ellipticum, ad medium 

 Mfidum, riina agusta obtusa, lobis triangulatis acuminatis obtusis. 

 Andim ia iimota. 



Hab. Brasilia. Rio Grande do Sul. 



6. Rectolejeunea Brittonise Evans. Bull. Torr. Bot. Cl. 1911, 

 p. 209. 



Dioica flavo-virens, depresso-caespitans, corticola. Caulis parum irre- 

 iiiilariterqu*' ramosus, ramislate divergentibus. Folia caulina imbricata, 

 oblique patula, parum concava, in plano late ovata, vel subrotunda 

 (0,5 mm. longa, 0,45 mm. lata) apice obtusa vel rotundata, ad medium 

 accreta, basi anticarotundata, caulem superantia, irregulariter crenulata. 



