976 BULLETIN DK l'hkrbikk BOLssiER (2"^« SEK.). PlagiocMla. 



lariter dentalo-spinoso, spinis ad 12 approximaljs validis longiusculis 

 rede patulis, denlibus parvis interjectis, apice Iruncato grosse 2-3 spinoso, 

 spinis oblique porreclis eequimagnis. Cellulae apicales 27 jx Irigonis 

 parvis, basales 18 X 4o {i Irigonis majusculis. Folia floralia caulinis 

 multo majora, inlima circumcirca grosse dentata, denlibus subcequi- 

 magnis, apice et niargine postico hie illic in spinam mutaih. Perianthia 

 longe exserla ex angusta basi ligulata decurvula valde compressa, 

 ore Iruncato -rotundalo spinuloso, spinis longiusculis irregularibus. 

 Andrœcia mediana, repeLila, bracleis ad Sjugis contiguis superne 

 late foliaceis squarrose recurvis spinulosis. 

 Hab. Chile (Gay, Philippi, Hahn); Argentinia, Puerto Blast (Düsen). 



542. Plagiochila heterodonta (Tayl.) H. et Ï. Syn. Hep., 

 p. 638. 



Syn. : Jung, heterodonta Tayl. J. of Bot. 1844, p. 46Ü. 



Dioica minor flaccida flavo-virens, huniilis, dense intricatim csespitosa. 

 Caulis ad 4 cm, longus capillaceus, fuscus et lenax vage ramosus, sub 

 flore fasciculatim innovatus. Folia caulina 2 mm. longa (basalia et 

 ramulina minora) parum imbricata vel remoliuscula, oblique patula 

 angulo 56*^ piano -disticha, antice decurrenlia poslice parum ampliata 

 caulem tegentia, in piano late ovala, apice quam basis duplo angusliore, 

 margine antico leviter arcuato inferne uudo superne 3-4 dentato, 

 dentibus brevibus validis oblique porreclis approximatis, margine postico 

 a basi ad apicem bene arcuato irregulariler denlato, dentibus oblique 

 patulis, plurimis brevibus validis paucis multo majoribus triangulalis 

 acutis, apice profunde emarginato-bifido, laciniis late triangulalis plus 

 minus acuminatis sinu 1-2 denliculalo. Folia superiora basi haud 

 ampliata cuneatim anguslala. Cellulae apicales 13 [a Irigonis subnullis, 

 medianse 13 X 18 p- irigonis parvis, basales 18X 36 [x trigonis subnodu- 

 losis. CuÜcula aspera. Folia floralia caulinis similia majora magis et 

 validius dentala. '•^ Perianthia foliis floralibus breviora ovali-rotundaia, 

 labiis minute dentato-ciliatis » . Andrœcia terminalia breviter spicata, 

 bracleis minutis apice parum recurvis bidenlulis. 



Hab. Insulae Kerguelen (Hooker, Naumann). 



543. P. chiloënsis St. Svenska Ak. Handl. 1900, \ol. 26. Bihang, 

 p. 27. 



Dioica mediocris rigida olivacea vel brunnea. Caulis ad 5 cm. longus 

 lenuis fuscus rigidus pauciramosus, ramis longiusculis simplicibus parum 

 divergentibus. Folia caulina imbricata, 2 mm. longa oblique patula 

 angulo 68*^ interdum dccurvo-homonialla, marginibiis recurvis valde 



472 



