924 



bulletin de l'herbier boissier (2™ S er.). 1905 Plagiochiln. 



732. Plagiochila tocarema G. Ann. sc. nal. 1864 ; p. 106. 

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



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

 Folia ntnliitti nluli.i \ rnm. longa. imbricata, oblique palula, angulo 68°, 

 plano-disticha, postice ampliata caulem plano-superantia vel late replicala, 

 utrinque breviter deeurrentia. ambitu late ovalo-triangulata, apice quam 

 basis subtriplo angusliora, margine antico striclo nudo sub apice remote 

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

 irreguiariter pancispinoso, spinis sub 10 validis brevibus vel duplo 

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

 spinis longiusculis, e lala basi sensim atlenualis aequimagnis. Folia ramu- 

 lina primaria caulinis simillima, minora remotiuscula ; Foiia ultima 

 remota, valde desciscentia oblonga, antice longe decurrentia, postice 

 breviter inserla, haud ampliata, apice emarginato-bispinosa, margine 

 postico inferne nudo superne 6 dentato, denlibus validis approximatis 

 obiiquo palulis. Cellulae apicales 27 fi trigonis majusculis in parietibus 

 validis, basales 27 X 63 u,, trigonis magnis acutis. Folia floralia caulinis 

 minora ceterum simillima et vix validius armata. Perianthia compresso- 

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

 latis subsequimagnis flaccidis; ala antica subcomplela latiuscula superne 

 lacerata. Andrcecia in planla graciliore mediana longe spicata, bracteis 

 nuraerosis confertis superne lale foliaceis squarrose palulis paucidenti- 



Hab. Bogota (Lindig). 



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

 Syn. : Jung. macrostachya Swartz. Prodr. Fl. Ind. occ. p. 142. 



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

 csespitosa. Caidis ad 15 cm. longus (vulgo 10 cm.) validissimus fuscus et 

 tenax, parum longeque ramosus, inlerdum fasciculatim multiramosus. 

 Folia canlina 4 mm. longa, parum imbricata vel dissita, oblique palula, 

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

 decurrentia, brevi basi inserla postice ampliata caulem tegentia vel 

 erecto-conniventia interdum subcristala, in plano late ovato-trigona, 

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

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

 grosse dentato, dentibus sub 16 regulariter consecutivis approximatis 

 sub?equimagnis subrecte patulis breviter acuminatis, apice oblique trun- 

 cato vel obtusato 4 spinoso spinis validis oblique vel recte palulis, anteriore 

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



