IHagHnhila. franz stkpiiani. spkciks iiKPATir.Aitt m i V(»!,.\ I, lUlS) 



lariterdensec|ue spiiiuso. Folni /lordlia iiilinia caiiliiiis similliiua, pariiiii 

 majora, similiter arniata. 

 Hal). Ecuadoi'. (Allioiii l(>L>il. ) 



91. Plagiochila diacantha. Taylor. 



Dioica juiiior rigida, llavo-rufescens, in riipijjus (lcnse depressd- 

 ciespitans. CauiUs ad 3 cm. longus, paruni longeque ramosiis. Folia 

 ranliiia conferta, obli^iue patula, canaliculatiin concava, interdiiiii 

 s(|uarrose recurva, iii plano obiongo-elliptica (2 mni. longa, medii» 

 1,17 mm. lata, symmetrica, brevi l)asi inserta, apice 0,5 nini. lata, 

 triincata, angulis apiculatis, margine supero sparsim irregulariterque 

 dentato. Celluhv supera? 18X'18 [jl, trigonis magnis aciitis, basales 

 l8Xo4- jx, parietibus grosse trabeculatis. Perianthia (juvenilia) com- 

 presso-obcuneata, ore amplo, labiis dense irregulariterque dentatis et 

 spinulosis. Folia /loralia intima caulinis majora valdeaberrantia, ovato- 

 Irigona (^3mm . longa, supra basin 2mni. lata)asymmetrica, margine infero 

 stricto nudo, supero e basi valde rotundata substricto, grosse irregulai'i- 

 terque dentato et spinoso, apice oblique truncata angiilis apiculatis. 



Hab. Insulx canarienses. 



92. Plagiochila diaphana St. 



Sterilis mediocris flaccida flavescens, in cortice dense depresso- 

 ciBspitans. Caulis ad 3 cm. longus, simplex vel parum longeque ramo- 

 sus. Folia caulina conferta, oblique patula, paruni concava, in plano 

 late trigona (5 mm. longa, supra basin 4 mm. lata) asymmelrica, ad 

 inedium inserta, margine supero e basi late rotundata longe arcuat(», 

 longe regulariterque spinoso, apice obtuso similiter armato, margine 

 infero stricto, sparsim minuteque dentato. Cellulfc super<T 36x36 ij., 

 basales 27x54- [JL, trigonis nullis. 



llab. Java. (Fleischer legit.) 



93. Plagiochila difficilis St. 



Dioica raagna, gracilis, rigida, flavo-rufescens, in cortice laxe intricata 

 lateque expansa. Caulis ad 9 cm. longus, simplex vel sparsim brevi- 

 terque ramosus. Folia caulina remota, oblique patula, parum concava, 

 in plano oblongo-trigona (4 mm. longa, medio 2,5 mm. lata) asymme- 

 trica, margine supero longe arcuato regulariter valideque spinoso, 

 margine infero stricto, sub apice paucidenticulato, apice oblique trun- 

 cato, emarginato-bifido, laciniis valde inaequalibus, supero duplo latiore 

 duploque longiore. Cellulee supera? 18x27 [x, trigonis parvis, basales 

 18x36 (jL, trigonis magnis acutis. Perianthia cupulata, compressa, ore 

 anguste longeque spinoso. Folia floralia caulinis maxime aberrantia, 



147 



