Traehylejeunea. FRANZ STEPHANI. SPECIESHEPATICARUM (VOL. V, 1913). 



solutus, obtusus. Amphigastrium floi^ale perianthio duplo brevius, 

 ovato-oblongum, apice angusto breviter inciso-bidentato. Androecia 

 valde nuraerosa, bracteis sexjugis, confertis, dorso papulosis, ex axilla 

 infera foliorum orta. 

 Hab. Brasilia, prope Rio-Janeiro. 



Trachylejeunea S. 1884 



Plantse niinores vel parvse, saepe exiguse, in cortice csespitantes, 

 rarius foliicolae. Caulis 2-7 cm. longus, irregulariter ramosus, saepe 

 multiramosus, sub flore simpliciter, rarius dichotome innovatus. Folia 

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

 vulgo ovata, obtusa vel acuta vel apiculata, brevi basi inserta, basi 

 antica longe truncata, semper armata, marginibus crenulatis vel serru- 

 latis, antica saepe papillata vel cellulis papuloso-prominulis aspera. 

 Cellulse foliorum mediocres, basales parum longiores, trigonis magnis 

 vei maximis, parietibus tenuibus, saepe validis vel trabeculatim incras- 

 satis. Lobulus magnus, oblongus, carina oblique adscendens, arcuata, 

 sinu profundo in folii marginem excurrens, apice angustiore, truncato 

 vel excisulo, acuto vel obtuso, rarius spina armato. Amphigastria cau- 

 lina majuscula vel magna, rarius parva, apice biflda, basi obcuneata, 

 nusquam cordata. Inflorescentia vulgo monoica, rarius dioica vel autoica. 

 Perianthia pyriformia vel clavata, quinque carinata, carinis armatis, 

 papulosis vel cristulatis vel dense spinulosis, rarissime nudis. Folia 

 floralia caulinis multo majora, acuta vel obtusa; lobulus majusculus, 

 oblongus. Amphigastria floralia caulinis conformia i. e. apice biflda, 

 minora vel majuscula, rarissime lobulis connata. Andrmcia sessilia, 

 parva, rarius in ramis terminalia. 



I. Africa 



1. Trachylejeunea serrulata Sl. 



11. America tropica 



2. Trachylejeunea acanthina S. 



3. Trachylejeunea conifera. St. n. sp. 



299 



