RUTACE.E. 49 



Rutacese. 



Xanthoxylum LINN. 



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

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

 trifoliolata, in ambitu triangulari-iiiomboidea, foliolo terminal! maximo obovato- 

 oblongo 6| cm. lougo 27 mm. lato apice obtuso ad summum retuso basi 

 attenuate ad petiolulum cm. longnm 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, foliolis lateralibus minoribus dimidium 

 terminalis sequantibus, petiolis communibns 2 cm. longis subteretibus intus 

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

 longse laxe floratsB, pedicelli 2-3 mm. loiigi basi 1-bracteati, bracteis 

 spathulato-linearibus |- 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 ! mm. longa, antlieris late 

 cordatis introrsis apice obscure apiculatis. Rudimentum ovarii minutum 

 globoso-pyramidale . 



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



Somewliat resembles Z. ovctlifolium, but greatly differs in the floral 

 structure. 



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

 ut videntur enermes. Folia imparipiiinata, in aml^itu obovato-lanceolata, 

 24 cm. longa 8 cm. lata, 21-17 foliata, foliolo terminali loiigissime 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-sen-ato, ad sinus inter serras calloso-punctato, nou petiolu- 

 lato, foliolis lateralibus superne majoribus inferne minoribus eo terminali 



