(VOL. III, 1909). FHANZ STKPHANI. SPEUES HKPATICARUM MiCVOpterygiUM. 



ore contracto plurifido, laciniis fragilliiuis. Capsula (submalura) oblongo- 

 cylindrica. 



Hab. Martinique, Guadeloupe (Duss, 1'Herminier) Dominica (EHiott.). 



6. Micropterygium Martianum St. Hedw. 1888 p. 295. 

 Planta dioica mediocris pallide fiavo-virens vel flavo-rufescens. Caulis 



ad 2 cm. longus irregulariter ramosus, lamis foiiiferis laleratibus norma- 

 liter pinnatim alternantibus saepe irregulariter inserlis; flagellis posticis 

 capillaceis parum numerosis. Folia canlina imbricala oblique patula lan- 

 ceolala sub apice obtuse dentata vel solum repanda, apice acuia vel emar- 

 ginato-bidentula; lamina postica anticae subaequalis in apicem attenuata; 

 ala magna, lamiuae poslicae subaequilala, basi in carinam folii attenuala 

 superne repanda vel obluse dentata m folii apicem attenuala. Cellulae 

 superae 18 u., basales 18 X 36 u., parietibus crassis ; cuticula levis. Amphi- 

 gastria caulina parva, remota subcircularia transverse inserla, apice bi- 

 vel tridentata. Reliqua desunt. 



7. Micropterygium parvistipulum Spruce H. A. A. p. 383. 

 Planta dioica mediocris pallide flavo-virens rigida dense caespitosa cor- 



ticola el terricola. Caulis ad 2 cm. longus vage ramosus, ramis primariis 

 bene evolulis laxe pinnatis pinnis laleralibus, ramis foliiferis posticis 

 haud raris; flagella pauca valida saepe ramosa, ramis adscendentibus in- 

 terdum foliiferis. Folia caulina imbricala, oblique palula disticba leviter 

 decurva, ambitu ovalo-oblonga superne paucidentala acuminala, apice 

 acuta vel bidentula ; Iamina postica subduplo angustiore, lanceolata mar- 

 gine paucidentato; ala magna quam lamina postica duplo angustiore, ipsa 

 basi in folii carinam abeunle, sub apice remote paucidentata in folii api- 

 cem excurrente. Cellute 18 u., basales 18 X 27 o. cuticula aspera. Am- 

 phigastria minuta, remola subcircularia parum patula integra vel pauci- 

 denticulata. Rami feminei brevissimi, bracteis sexjugis, inlimis anguste 

 ovalo-oblongis conduplicalim concavis, margine pauciciliatis, apice longe 

 piliferis. Perianthia magna ut in congeneribus. Andracia majuscula cur- 

 vatim patula, bracteis ad 8 jugis monandris vel diandris, erecto-homo- 

 mallis conduplicatim concavis abruple acuminatis acutis vel bidentulis. 

 Hab. Brasilia Rio Negro (Spruce) ; Rio Jurua (Ule). 



8. Micropterygium portoricense St. Hedw. 1888. 



Planla dioica mediocris rigida flavo-rufescens gracilis corticola saepe 

 Leucobryo consociata. Caulis ad 2 cm. longus tenuis rigidus pinnatim 

 ramosus, ramis remotis lateralibus saepe unilateralibus, aliis poslicis ; 

 flagella postica rara,basi foliifera apice radicellosa pluriramosa. Folia cau- 

 lina contigua vel parum imbricata subrhomboidea, subrecte patula. in 

 546 



