928 bulletin de l'herbier bousier (2» 1 « sÉR.). 1905 Plägiochila. 



lata, in piano la te ovalo-trigona, basi amplissima, apice 4-plo angustiora, 

 asymmetrica, m argine antico inferne nüdo stricto superne leviter arcuato 

 bidenlato, postico e basi semicirculari et maxime ventricosa bene arcuato 

 regulariler dentato (ipsa basi nudo) dentibus ad 30 validis approximalis 

 rede patulis, e lata basi breviter acuminatis versus apicem validioribus, 

 inferne longioribus spiniformibus hamatis, apice ipso obtusato valide 

 3-4 dentato. Cellulae apicales 36 u, trigonis maximis Iruncatis, basales 

 36 X 72 ja parielibus grosse trabeculatis, trabeculis poro lato interruplis. 

 Folia floralia caulinis majora, late rotundato-lrigona, similiter armala. 

 Perianthia magna. 8 mm. longa longe exserla, oblongo-obconica, ore 

 truncalo irregulariler spinoso-ciliato, spinis brevibus flexuosis vel hamatis 

 varieque patulis; ala anlica angustissima nuda vel nnlla. 



Hab. Andes quitenses (Spruce), Nova Granada (Lindig), Columbia 

 (Wallis). 



740. Plagiochila ovata L et G. Hep. Mex. p. 165. 



Dioica major fusco-brunnea rigidula. Caulis ad 12 cm. longus paru m 

 longeque ramosus, validus fuscus et lenax. Folia caulina plus 3 mm. 

 longa, partim imbricala, (in sicco decurvo-homomalla) oblique patula 

 angulo 56° valde concava basi anlica gibboso-inflata, ulrinque breviter 

 decurrenlia, postice caulem late superantia vel replicata, in piano late 

 rotundato-triangulata, basi amplissima apice angusliorerotundato, circum- 

 circa denticulata, dentibus 1-2 cellulas (rarius 3 cellulas) longis, validis 

 creberrimis subsequalibus recte patulis, in margine antico remoliusculis 

 subappressis. Cellulœ apicales 27 [j. trigonis majusculis aculis, basales 

 27 X 72 ^ trigonis magnis aculis. Folia floralia caulinis simillima 

 majora. Perianthia semiexserla late compresso-cylindrica, ore truncato 

 denliculato, dentibus validioribus minus confertis minusque regula- 

 ribus. 



Hab. Mexico (Liebman) Nova Granada (Wallis) Galapagos Insulœ 

 (Anderson). 



741. P. Jamesoni Tayl. J. of Bol. 1847 p. 340. 



Dioica magna et robusla olivacea. Caulis ad 12 cm. longus validus et 

 lenax simplex vel pauciramosus, ramis longis simplicibus parum divergen- 

 libus. Folia caulina 3.6 mm. longa, imbricala rede patula, plano-disticha 

 postice parum ampliata caulem legentia vel erecto-connivenlia vix decur- 

 rentia rotundato-triangulata, vix longiora quam lata, apice quam basis 

 quintuplo angustiore denliculato ceterum inlegerrima, margine antico e 

 basi slricla superne curvalo. Folia ramulina multo angustiora ovato- 

 Iriangulata postice magis ampliata ceterum similia similiterque armata. 



578 



