Plagiochila. FRANZ STEPHANI. SPECIES HEPATICARUM. 601 
8 cm. longus, rufus, validus simplex vel parum ramosus. Folia caulina 
plus 9 mm. longa, parum imbricata, oblique patula, angulo 67? postice 
parum ampliata caulem tegentia vel recurva, haud decurrentia, norma- 
liter ovato-oblonga, sepe ovata, acuta vel obtusata vel oblique truncata, 
asymmetrica, margine antico nudo substrieto vel parum curvato, postico 
arcuato superne stricto sepe nudo vel sub apice paucidenticulato, ipso 
apice similiter armato, dentibus ubique brevibus pungentibus oblique 
porrectis vel recte patulis. Cellule apicales 36 ». trigonis magnis trun- 
calis substellatis, basales 27 ^X 72 ;, parietibus longioribus maxime 
trabeculatis. 
Hab. Hawai (Baldwin). 
IV. Ovatotrigona. 
296. Plagiochila abietina (Nees) Ldbg. Spec. Hep., p. 134. 
Syn. : Jungermannia abietina Nees Hep. Javan., p. 76. 
P. Hampeana G. Bot. Ztg. 1858, p. 38. 
Dioica, major, gracilis, rigida, flavescens. Caulis ad 10 cm. longus, 
rigidus fuscus strietus dense breviterque sefulosus, pinnatim multira- 
mosus, ramis plus minus approximatis, subrecte patulis, apice micro- 
phylls optimeque attenuatis. Folia caulima adulta imbricata, cauli 
appressa et valde concava, sepe decurvula, vix 2 mm. longa, antice 
longe decurrentia, postice ampliata, in plano caulem late superantia, 
ambitu late ovata vel ovato-trigona, medio amplissima, apice 3 plo 
angustiora, margine antico leviter arcuato nudo vel sub apice pauci- 
denticulato, postico a basi ad apicem semicirculari, dense spinoso, spinis 
ad 20 approximatis sub apice brevibus medio longioribus, recte patulis, 
versus basin longis attenuatis et hamatis, apice oblique truncato denti- 
culato, dentibus inzequalibus anteriore vulgo multo majore. Folia ramu- 
lina minora ovato-triangularia, haud decurrentia, margine postico arcuato 
grosse 6-7 spinoso, apice oblique truncato trispinoso, spinis valde irre- 
gularibus, longis brevibusque, latis et angustis mixtis varieque patulis. 
Cellule apicales 18 »« 27 y, trigonis majusculis trabeculatim confluen- 
libus, basales 27 »«; 36 i», trigonis majusculis subnodulosis vulgo late 
irabeculatis. Folia floralia majora, longius spinosa subciliata. Perianthia 
in ramis brevibus terminalia vix exserta, compresso-obovata inferne 
inflata, ore truncato longe ciliato. 
Hab. Java (Blume, De Vriese, Korthals, Karsten, Schiffner), Sumatra 
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