FBANZ STKPll.VNi. Hi.l' V I i . \ lil M. 



8 cm. longus, rufus, validus simplex vel paruin ramosus. Folia caulina 

 plus 3 mra. Ionga, parum imbricata. oblique patula, angulo 67° poslice 

 parum ampliala caulem tegentia vel recurva, haud decurrentia, norma- 

 liter ovato-oblonga, seepe ovata, acuta vel obtusata vel oblique truncata, 

 asymmetrica, margine antico nudo substricto vel parum curvalo. poslico 

 arcualo superne slricto ssepe nudo vel sub apice paucidenticulato, ipso 

 apice similiter armalo, dentibus ubique brevibus pungentibus oblique 

 porrectis vel recte patulis. Cellulx apicales 36 ^ trigonis magnis trun- 

 catis substellalis, basales 27 X 72 jj. parietibus longioribus maxitne 

 trabeculatis. 

 Hab. Hawai (Baldwin). 



IV. Ovatotrigonae. 



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 strictus dense breviterque setulosus, pinnatim mullira- 

 mosus, ramis plus minus approximatis, subrecle patulis, apice micro- 

 phyllis optimeque atlenuatis. Folia caulina adulta imbricala, cauli 

 appressa et valde concava, sfepe 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 

 angusliora, margine antico leviter arcuato nudo vel sub apice pauci- 

 denticulalo, 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 imequalibus anteriore vulgo multo majore. Folia ramu- 

 Una minora ovato-triangularia, haud decurrentia, margine poslico arcuato 

 grosse 6-7 spinoso, apice oblique truncato trispinoso, spinis valde irre- 

 gularibus, longis brevibusque, latis et angustis mixtis varieque patulis. 

 Cellulx apicales 18 X 27 trigonis majusculis trabeculatim confluen- 

 tibus, basales 27 X 36 {i, trigonis majusculis subnodulosis vulgo late 

 trabeculatis. Folia floralia majora, longius spinosa subciliata. Perianthia 

 in ramis brevibus terminalia vix exserla, compresso-obovata inferne 

 inflala, ore truncato longe ciliato. 



Hab. Java (Blume, De Vriese, Korthals, Karsten, Schiffner), Sumatra 



