Plate 2418. 



PLETHIANDRA HOOEERI, Stapf. 



P. Hookeri, Stwpf in Trans, Linn. Soc, ser. 2, vol iv, 163 ; frutex 

 glaberrimus, foliis brevissime petiolatis crasse coriaceis quintuplinerviis 

 late elHpticis obtusis v. retusis basi plus minus rotundatis, floribus 

 axillaribus^ breviter pedicellatis 3-5-fascicuktis, calycis urceolato-cara- 

 panulati limbo truncate integro, petalis 6 obovato-ellipticis acutis, 

 stammibus 26-30, antheris linearibus basi emarginatls interJum postice 

 obsolete calcaratis. 



Hab. Borneo : Kinabalu, 6600 feet, Ilavilmid (No. 1169). 



Jiami crassiusculi, teretes, cortice cinereo-albido. Folia 3-4 poll, 

 longa,^ l^-2i poll, lata, nervis 2 interioribus utrinque cum costa longe 

 coalitis; petiolus crassus 1-2 lin. longus. Flares rosei, ^ poll diam. ; 

 pedicelli 2-3 lin. longi. Ovarium inferum, 6-loculare, vertice in medio 

 leviter depressum ; septa tenuissima ; placentje bifidie, ex angulo 

 superiore ort?e: Bacca (immatura) globosa, limbo calycino coronata. 



To this species and P. Motleyi, Hook, f., on which the genus was 

 founded, three more species may be added from Dr. Haviland's collec- 

 tion. They are ; 



1. P. rejangensis, Stapf {sp. nov) ; foliis subcoriaceis petiolatis 



elh'pticis basin acutis vel subrotundatis breviter acuminatis, 5-plinerviis 



ven-'s transversis supra distinctioribus, floribus paucis fasciculatis pedi- 



cellis calyce duplo Iongioril)uSj petalis rotundato-obovatis, staminibus 

 25-30. 



Hab. Borneo: Sarawak, Rejang, Sibu, Ifaviland (No. bio), 



Foha ad 6 poll, longa, ad 2| poll, lata; petiolus 1 poll, longus. 

 Fedicelli ad 5 lin. longi. Calyx et petala 2^ lin. longa. Anther(^ vix 

 2 lin. longie. 



Z* P. ses?ilis, Stapf (sp, nov.) ; foliis coriaceis sessilibus ellipticis 



mrinque obtusis 7-plinerviis(velpotiuspinnatinerviis, nervis lateralibus 



utrinque 3, infimis plerunique tenuibus) venis transversis inconspicuis, 



nonbus 5-6-fasciculatis pedicellis brevissimis, petalis oblongis acutJs, 

 staminibus 20. 



Hab. Borneo : Sarawak river, epiphytic, Ilaviland. 



SERIES IV. VOL. V. PART I. 



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