Hyfffotejeunen. kranz steimiam. si'Kcies nEi»ATicAr<UM (Vol. V,1914;. 



79. Hygrolejeunea microloba (Taylor) St. 

 Syn. : Lejcwnea microloba Tayl. Syn. Hep. p. IGi. 



Dioica mediocris, pallide virens vei flavicans, in liumo laxe caespi- 

 tans. Caulis ad 4 cm. iongus, sparsim irregulariterque ramosus. Folia 

 caulina parum imbricata, recte patula, valde concava, in plano ovata, 

 subsymmetrica (1,25 mm. longa, 0,9 mm. lata) apice rotuiidata vel 

 acuta, ad medium inserta, basl antica truncato-rotundata. Cellulx 

 superae 27 X 27 a, basales 27 X^5 {a trigonis parvis. Lobulua parvus, 

 saepe obsoletus, folio septupjo brevior late conicus, carina oblique 

 adscendens, leviter arcuata, recto sinu in folium excurrens, apice 

 quam basis triplo angustiore, recte truncato, angulo apiculato. Amphi- 

 gastria caulina magna, caule triplo latiora (0,58 ram. longa et lata), 

 optime cordiformia, leviter sinuatim inserta, basi utrinque cordatim 

 ampliata, apice ad medium biloba, sinu angusto, lobis acutis. Andi^oRcia 

 exigua, sessilia, bracteis bijugis. 



Hab. Insulse pacificas. 



80. Hygrolejeunea Moelkenbceriana (Sande-Lac) St. 

 Syn. : Lejeunea Molkenboeriana Sande-Lac Syn. Hep. Jav. 1856, p. 66. 

 Dioica magna gracillima, pallide virens, in cortice dense depresso- 



caespitans. Caulis ad 6 cm. longus, irregulariter breviterque pinnatus, 

 ramis longioribus interjectis paucis, similiter pinnulatis, rarius bipin- 

 natis. Folia caulina remotiuscula vel parum imbricata, recte patula, 

 valde concava, in plano oblonga (1 mm. longa, medio 0,67 mm. lata) 

 apice grosse cuspidata, ad medium inserta, basi antica late rotundata. 

 Cellulai superse 18X18 |x, basales 27X36 [j., trigonis nullis. Lobulus 

 magnus, falio quadruplo brevior, in situ ovatus, in plano subrotundus, 

 carina oblique adscendens, bene arcuata, recto sinu in folium excur- 

 rens, apice quam basis parum angustiore truncato, angulo apiculato. 

 Amphigastria caulina magna, caule quintuplo latiora, optime cordi- 

 formia, sinuatim inserta, basi utrinque cordatim ampliata, apice ad 

 ^3 inciso-biloba, lobis late triangulatis cuspidatis porrectis. Perianthia 

 uno latere innovata, obovata (1,5 mm. longa, superne 0,75 mm. lata) 

 plicis angustis longe decurrentibus, rostro brevi valido. Folia floralia 

 parva, perianthio triplo breviora, obovato-oblonga, apice rotundata, 

 lobulus parum brevior, lanceolatus, acutus vel obtusus. Amphigastrium 

 florale perianthio duplo brevius, late obovatum, ad mediura inciso- 

 bilidum, lobis lanceolatis cuspidatis. Androecia parva, sessilia, bracteis 

 sexjugis. 

 Hab. Java. 



563 



