(VoL. III, lUOU). FRANZ sTKPHANi. spKciKs HKPA riCAHU.M Micvopleiygiuui. 



ore coiitraclo plurirido, laciiiiis fragilliiiiis. Capsula (siibmaliiraj obloiigo- 

 cylindiica. 



llab. Mariinique, Gnadeloupe (Duss, rHerniinier) Dominica (Eilioll.). 



6. Micropterygium Martianum St. Hedw. 18.S8 p. 29o. 

 Planta dioica mediocris paliide flavo-virens vel flavo-rufescens. Caulis 



ad 2 cm. longus irregulariter ramosus, lamis foliiferis laleralibus norma- 

 liter pinnaliin aUernanlibus saepe irregulariler inserlis; flagellis posticis 

 capillaceis parum numerosis. Fo/ia caw/jua iuibricata oblique palula laii- 

 ceolala sub apice obluse dentala vel solum repanda,apice aciila vel emar- 

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

 ala raagna, laminae posticie subaequilata, basi in carinam folii altenuata 

 superne repanda vel obtuse dentata in folii apicem attenuata. Cellulae 

 superae 18 «i, basales 18 X 36 {i, parietibus crassis ; culicula levis. Amphi- 

 gastria cauiina parva, remota subcircularia transverse inserta, apice bi- 

 vel tridentata. Reliqua desunt. 



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

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



ticola el lerricola. Caulis ad 2 cm. longus vage ramosus, raniis primariis 

 bene evolutis laxe pinnatis pinnis laleralibus, ramis foliiferis posLicis 

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

 lerdum foliiferis. Folia caulina imbricata, oblique patula dislicha leviler 

 decurva, ambitu ovato-oblonga superne paucidentata acuminata, apice 

 aciita vel bidenlula ; lamina postica subduplo angustiore, lanceolala mar- 

 gine paucidenlato; ala magna quam lainina poslica duplo angustiore, ipsa 

 basi in folii carinam abeunte, sub apice remole paucidentata in folii api- 

 cem excurrente. Celhdae 18 jx, basales 18 X 27 {jl cuticula aspera. Am- 

 phigastria minuta, remola subcircularia parum patula integra vel pauci- 

 denliciilata. Eami feminei brevissimi, bracteis sexjugis, intimis anguste 

 ovato-oblongis conduplicatim concavis, margine pauciciliatis, apice longe 

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

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

 mallis conduplicatim concavis abrupte acuniinatis acutis vel bidentulis. 

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



8. Micropterygium portoricense St. Hedw. 1888. 



Planta dioica mediocris rigida flavo-rufescens gracilis corticola saepe 

 Leucobryo consociala. Canlis ad 2 cm. longus tenuis rigidus pinnatim 

 raraosus, rarais remotis lateralibus saepe unilateralibus, ahis poslicis; 

 flagella postica rara,basi foliifera apice radicellosa pluriramosa.i^o/ta cau- 

 lina contigua vel parum imbricata subrhomboidea, subrecle patula, in 



546 



