928 bdlletin de l'herbikr boissikb (2" ,c sKK.j. I »05 Plagiochila. 



lata, in plano late ovato-lrigona. basi amplissima, apice 4-plo angusliora, 

 asymmetrica, margine antico inferne nudo stricto superne leviter arcuato 

 bidenlato, postico e basi semicirculari et maxime venlricosa bene arcuato 

 regulariler dentalo (ipsa basi nudo) dentibus ad 30 validis approximatis 

 recle patulis, e lata basi breviler acuminatis versus apicem validioribus, 

 inferne longioribus spiniformibus hamalis, apice ipso obtusato valide 

 3-4 denlato. Cellulx apicales 36 jx trigonis maximis Iruncatis, basales 

 30 X 72 fj. parielibus grosse trabeculatis, trabeculis poro lato interruptis. 

 l-olia ponilia caulinis majora, late rotundalo-lrigona, similiter armatn. 

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

 truncalo irregulariter 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. el G. Hep. Mex. p. 165. 



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

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

 longa, parum imbricata, (in sicco decurvo-homomalla) oblique palula 

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

 decurrenlia, postice caulem lale superantia vel replicata, in plano late 

 rotundalo-triangulata, basi amplissima apice angustiore rotundato, circum- 

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

 creberrimis subaequalibus recle patulis, in margine antico remotiusculis 

 subappressis. Cellulae apicales 27 ^ trigonis majusculis acutis, basales 

 27 X 72 {i trigonis magnis acutis. Folia floralia caulinis simillima 

 majora. Perianthia semiexserta late compresso-cylindrica, ore truncalo 

 denliculato, denlibus validioribus minus confertis minusque regula- 

 ribus. 



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

 (Anderson). 



74L P. Jamesoni Tayi. J. of Bot. 1847 p. 340. 



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

 lenax simplex vel pauciramosus, ramis longis simplicibus parum divergen- 

 tibus. Folia caulina 3,0 mm. longa, imbricata recte patula, plano-disticha 

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

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

 quintuplo angustiore denticulalo ceterum integerrima, margine antico e 

 basi slricta superne curvato. Folia ramulina multo angustiora ovato- 

 triangulata postice magis ampliata ceterum similia similiterque armata. 

 578 



