RUTACE;E. 49 



Rutaceee. 



Xanthoxylum LINN. 



Xanthoxylum ? pistaciiflorum HAYATA sp. nov. Kami recti, cortice 

 rubro-fuscenti, lenticellis elevatis subpeltatis 2-lobatis notati. Folia alterna 

 trifoliolata, in ambitu triangulari-rhomlxndea, foliolo terminali maximo obovato- 

 oblongo 6^ cm. longo 27 mm. lato apice obtuso ad summum retuso basi 

 attenuate ad petiolulum | cm. longum abeunti tenuiter coriaceo basi integro 

 supra basin usque ad apicem tenuissime breve crenato-serrato, serris brevis- 

 simis, costa supra impressa vel elevata subtus elevata, venis lateralibus 

 tenuissime distincte elevatis rectis prope marginem furcatis, supra nitida, 

 subtus non nitida, petiolulis subalatis, folioKs lateralibus miiioribus dimidium 

 terminalis sequantibus, petiolis communibus 2 cm. longis subteretibus intus 

 sulcatis vel angustissime alatis. Flores J : paniculati, paniculse axillares 3 cm. 

 longae laxe floratae, pedicelli 2-3 mm. longi basi 1-bracteati, bracteis 

 spathulatolinearibus mm. longis apice ciliato-fimbriatis. Sepala 5, spathu- 

 lato-linearia, 1 mm. longa. \ mm. lata, apice obtusa, glabra. Petala 0. 

 Stamina 5, sepalis opposita, sepalis longiora 1|- mm. longa, antlieris late 

 cordatis introrsis apice obscure apiculatis. Rudimentum ovarii minutura 

 globoso-pyramidale. 



HAB. Ako : Bongarisha, leg. G. NAKAHAEA et SASAKI. 



Somewliat resembles Z. ovalifdium, but gi'eatly differs in the floral 

 structure. 



Xanthoxylum pteropodum HAYATA sp. nov. Kami subrecti, glabri, 

 nt videntur enermes. Folia imparipinnata, in ambitu obovato-lanceolata, 

 24 cm. longa 8 cm. lata, 21-17 foliata, foliolo terminali longissime lanceolato 

 6-7 cm. longo 1^ cm. lato apice acuminato basi cuneato-acuto chartaceo, 

 (costa supra impressa subtus elevata), supra fuscenti subtus pallidissimo, (venis 

 lateralibus supra non visis subtus tenuissime distinctis elevatis), margine 

 tenuiter crenulato-serrato, ad sinus inter serras calloso-punctato, non petiolu- 

 lato, folioKs lateralibus supenie majoribus inferne minoribus eo terminali 



