924 bulletin de l'herbier boissier (2 mtî Sek.). 1905 Plagiochila. 



732. Plagiochila tocarema G. Ann. sc. nat. 1864, p. 106. 

 Dioica mediocris flaccidissima pallide virens. Caulis ad 7 cm. longus- 



lenuis superne capillaceus, repelito-furcalus, ramis late divergentibus. 

 Folia caulina adulta 4 mm. longa, imbricata, oblique patula, angulo 68°, 

 plano-disticha, postice ampliata caulem plano-superantia vel latereplicala, 

 utrinque breviter decurrenüa, ambilu late ovalo-triangulata, apice quam 

 basis subtriplo angusliora, margine antico stricto nudo sub apice remole 

 bidentato, postico e basi valde arcuata stricto, ipsa basi nudo ceterum 

 irregulariter pancispinoso, spinis sub 10 validis brevibus vel duplo 

 longioribus, sinubus plus minus amplis, apice truncalo grosse 4 spinoso, 

 spinis longiusculis, e lata basi sensim allenualis sequimagnis. Folia ramu- 

 lina primaria caulinis simillima, minora remoliuscula ; Folia ultima 

 remota, valde desciscentia oblonga, antice longe decurrentia, postice 

 breviter inserta, haud ampliata, apice emarginalo-bispinosa, margine 

 postico inferne nudo superne 6 dentato, denlibus validis approximatis 

 oblique palulis. Cellulœ apicales 27 u. trigonis majusculis in parietibus 

 validis, basales 27 X 63 ^, trigonis mâgnis acutis. Folia floralia caulinis 

 minora ceterum simillima et vix validius armata. Perianthid compresso- 

 obconica, ore late truncalo grosse spinoso fere lacinulato, laciniis lanceo- 

 lalis subcequimagnis flaccidis; ala antica subcompleta latiuscula superne 

 lacera la. Andrœcia in planta graciliore mediana longe spicata, bracteis 

 numerosis confertis superne late foliaceis squarrose palulis paucidenti- 

 culatis. 

 Hab. Bogota (Lindig). 



733. P. macrostachya (Sw.) Ldbg. Spec. Hep. p. 75. 

 Syn. : Jung, macrostachya Swartz. Prodi*. Fl. Ind. occ. p. 142. 



Dioica mediocris vel major, rigida fusco-virens vel rufo-brunnea, laxe 

 ceespitosa. Caulis ad 15 cm. longus (vulgo 10 cm.) validissimus fuscus et 

 tenax, parum longeque ramosus, interdum fasciculalim multiramosus. 

 Folia caulina 4 mm. longa, parum imbricata vel dissila, oblique patula, 

 angulo 68° dislicha vel decurvula, in sicco homomalla, utrinque breviter 

 decurrentia, brevi basi inserta postice ampliata caulem legentia vel 

 erecto-conniventia interdum subcristata, in piano late ovato-trigona, 

 asymmelrica, tertio infero amplissima, apice 3-plo angustiora, margine 

 antico substriclo nudo, postico e basi nuda rotundata et ventricosa stricto 

 grosse dentato, denlibus sub 16 regulariter consecutivis approximatis 

 subsequimagnis subrecte palulis breviter acuminatis, apice oblique trun- 

 calo vel obtusato 4 spinoso spinis validis oblique vel rede palulis, anteriore 

 vulgo longiore. Folia ramulina simillima, minora postice minus ampliata. 



574 



