Plagiochila. fra.nz stk'l>uäni. species hepaticarum. 931 



14 cm. longus, validissimus fuscus el tenax, vulgo fasciculatim mul ti- 

 ra mosus, ramis flabellatim expansis. Folia caulina 6 mm. longa, imbri- 

 cata, subrecte patula, piano disticha, antice longe vel longissime decur- 

 renlia, poslice valde ampliata eau lern late superanlia vel replicata, flacei- 

 dissima in piano late triangulala, apice quam basis quintuplo angustiora, 

 margine antico leviter arcuato nudo. superne o spinoso, postico e basi 

 nuda semicirculari substricto spinoso spinis sub 14 magnis validis approxi- 

 matis varie patulis subsequimagnis. apice truncato vel obtusato o spinoso, 

 spinis recte patulis parum validioribus. Folia ramulina minora parum 

 angustiora poslice minus ampliata celerum similia. Cell, apicales 4o (j, 

 Irigonis parvis, basales 4o X 90 [i parietibus validissimis, trigonis dein 

 minus distinctis. Fol. flor. caulinis eequimagna circumcirca grosse spinosa, 

 ipsa basi tantum nuda, spinis apicalibus multo validioribus oblique por- 

 rec-lis. Per. gigantea plus 8 mm. longa, anguste campanulala compressa 

 ore rolundato irregulariter denlato-spinoso, spinis e lata basi abrupte 

 longeque atténua tis recte patulis, ala antica compléta lata irregulariter 

 grosse dentata. Andrœcia in ramis fasciculatis terminalia ex apice vege- 

 tativa ilerum fasciculata, spicis 5-6 simplicibus vel ramosis, bracteis ad 

 10-jugis contiguis, longe saccatis apice acuto appresso. 

 : Hab. Nova Granada (Wallis) Bolivia (Pearce) Tunguragua (Spruce). 



747. Plagiochila ensiformis Taylor J. of Bot. 18i6 p. 265. 

 Sterilis speetabilis valde robusta et durifolia fragilis fusco-olivacea, in 



sicco flavo-brunnea, laxe csespitosa. Caulis ad 25 cm. longus validus fuscus 

 et durus striclus simplex vel pauciramosus ramis vix divergentibus 

 strictis. Folia caulina validissima, a basi ad apicem 4 mm. longa (ala 

 accensa quidem ö mm. longa) ioibricata, subrecte patula plano-disticha 

 vix deeurrentia, postice maxime ampliata alteque cristala ssepe omnino 

 integerrima, ambitu late ovata, i. e. margine antico leviter arcuato, postico 

 e basi maxime ventricosa arcuato apice obtusato interdum paucidentato 

 vel truncato -bidentulo vel plus minus profunde retuso dentibus validis 

 brevibus acuminatis recte patulis. Cellulœ apicales 3G [x basales 36 X HO [j. 

 trigonis magnis acutis basi ovali-nodulosis. 

 Hab. Columbia (Jameson). 



748. P. grandicrista St. n. sp. 



Sterilis mediocris sed grandifolia, robusta et valida brunnea. Caulis ad 

 6 cm. cm. longus, fuscus validus et tenax superne pinnatim pauciramosus, 

 ramis patulis strictis vel curvatis. Folia caulina adulta plus 3 mm. longa 

 conferta subrecte patula, piano disticha antice longe deeurrentia postice 

 breviter inserla maxime ampliata alteque cristala, in piano laie triangu- 



581 



