Plagiochila. franz stepham. .si'ecies hki'aticarl'm. 075 



gnscar (Borgei], Hessoii, Cympenon, Camboué, KitLT, Talazao). kiUmati- 

 (Ischaro (Haiis y\eyev), Nyassa (Whyte), Cape (Rehinaiin). 



131. P. Richardiana Si. ii. sp. 



Dioioa, llavo-nifescens, apicibiis roseis, majur, robiisla et rigida. Caulis 

 ad 7 cm. longus, calidissimus, basi fuscus, medio purpureiis superne 

 flavescens, simplex, medio siipero longius ramosus, bipinnalus, ramis 

 remolis divergenlibus dendroideiis. Folia caulina adulta, ad 4 mm. 

 ionga, oonlerta, maxima, laie Ugulata, asymmetrica. duplo longiora quam 

 iata, margine aiitico parnm siiiiiato, remote paucidentalo vel nudo, 

 postico magis arcualo, medio supero 4 denlalo, denlibus magnis validis 

 oblique porreclis, apicelate iruncalo irregulariter grosse lacerato, laciniis 

 iâ-o maximis, reliquis spiiiiformibus denlibusqueinlerjectis; folia caulina 

 superiora contigua oblique patula, angulo 38" parum decurrenlia, leniler 

 concava, in piano ovato-oblonga subsymmetrica, apice duplo angustiora 

 quam basi (tertio infero amplissimo) marginibus leniter arcualis, antico 

 nudo, postico dente magno solitario in tertio supero, apice subrecte 

 truncato exciso-bispinoso, spinis longis curvatis subcornuto, sœpe spina 

 lertia parva angusta interjecta. Folia ramnliiia vix diversa, nisi minora 

 et sub apice utrinque 1-2 spinosa. Cellulœ apice 27 X 36 »j., trigonis 

 magnis, basi 27 X o4 [i- trigonis maximis, perssepe Irabeculalim con- 

 fluentibus. Folia floralia caulinis adultis subminora, inferne obconica, 

 superne abrupte ligulata, apice et margine postico dense grosseque laci- 

 nulalis, Perianthia adulta vix exserta, late compresso-obconica, ore trun- 

 cato regulariter lacinulalo, ala latiuscula integerrima duplo breviore. 

 Capsula parva. Andrœcia mediana, bracteis 8 jugis, conl'erlis, superne 

 squarrose palulis, ligulalis denliculatis vel solum angulatis. 



Hab. Insulœ Mascnreignes (Richard, Frappier). 



l[L Angustifoliae. 



132. p. angustissinia St. n. sp. 



Dioica, minor, gracillima, rigida et fi'agiiis llavo-virens, laxe cöespitans, 

 Caulis ad 3 cm. longus, rigidus, rufo-brunneus, tenuis, vage paucira- 

 mosus, raniis longiusculis divergentibus capillaceis. Folia caulina ad 

 2 mm. longa, remota, oblique patula, angulo 58°, poslice breviter inserta, 

 antice sat longe decurrenlia, plano-disticba et optime peclinata, linearia, 

 fere quintuple longiora quam lata, superne in piano curvata i. e. versus 

 apicem caulis leniter nulantia, apice truncato-bidenlata, ssepe denticulis 



2()5 



