(Vol. V, 1914). franz stepiiani. species hepaticarum Pycnolejeunea. 



falcata, apice obtusa; lobulm tertio brevior, anguste lanceolatus, 

 acutus, ad medium solutus. Amphigastrium florale perianthio sequi- 

 longum, ellipticum, duplo longius quam latum, apice breviter inciso- 

 bidentulum. Androecia sessilia. bracteis trijugis. 

 Hab. Brasilia, Guianu, Costarica. 



16. Pycnolejeunea inflata (Nees) St. 

 Syn. : Lejeunea inflata. Nees. Syn. Hep., p. 360. 



Sterilis minor flaccida, rufo-brunnea, aliis hepaticis consociata. 

 Caulis ad 2 cm. longus, irregulariter breviterque ramosus. Folia 

 caulina conferta, recte patula, valde concava, in plano late ovato- 

 triangulata (1,17 mm. longa, basi 1,17 lata) asymmetrica, leviter 

 falcata, margine supero late rotundato, infero late sinuato, apice 

 obtusa, latissima basi inserta, basi antica rotundata. Cellulse superse 

 27X27 {j., basales 27X45 ^, parietibus validis. Lobulus maximus, 

 folio duplo brevior, in situ anguste oblongus, duplo longior 

 quam latus, carina arcuata, amplo sinu in folium excurrens, apice 

 quam basis triplo angustiore, margine supero occulto, in plano 

 ovato-oblongus, apice quam basis parum angustiore, recte truncato, 

 angulo obtuso. Amphigastria caulina magna, caule quadruplo 

 latiora, optime circularia, breviter sinuatim inserta, apice minute 

 inciso-bidentula. 



Hab. Peruvia. 



17. Pycnolejeunea asperula (G. ms) St. 



Dioica mediocris, dilute rufo-brunnea, flaccida, corticola. Caulis 

 ad 3 cm. longus, irregulariter remoteque pinnatus. Folia caulina 

 conferta, oblique patula, valde concava, in plano ovato-triangulata 

 (1,17 mm. lunga, basi 1 mm. lata) asymmetrica, margine infero 

 stricta, supero late rotundato, brevi basi inserta, basi antica longe 

 truncato, apicerotundata. Cellulse superae 27x27 basales 18x36 {jl, 

 parietibus vaiidis, antice papilla obsitie ; ocelli 27 x 36 (i numerosi, in 

 axi foliorum irregulariter dispersi. Lobulus magnus, folio duplo 

 brevior, /// situ sublinearis, triplo longior quam latus, carina sub- 

 stricta, stricte in folium excurrens, in plano parum latior, oblongo- 

 conicus, apice quam basis duplo angustiore, oblique emarginato, 

 angulo acuto. Amphigustria caulina magna, caule quadruplo latiora, 

 subrotunda (0,58 mm. lata, 0,5 mm. longa) sinuatim inserta, apice ad 

 7a inciso-biloba, sinu recto, lobis late triangulatis acutis. Andracia 

 sessilia, bracteis trijugis. Reliqua desunt. 



Hab. Cuba. 



608 



