RUTACTLE. 7 



liaud aculeati, cortice loiigitudinaliter ruguloso ad rugulos fisso hand vel vix 

 lenticellato glabro. Folia alterna pari- vel impari-pimmta tenuiter coriacea in 

 ambitu linearia cum petiolis 20 cm. longa 6 cm. lata 19-23-foliolata, foliolis 

 superioribus majoribus inferioribus minoribus ; foliolo terminal! oblongo- 

 lanceokto 4-4|-cm. loiigo lcm. kto apice caudato-acuniinato ad surnnaum 

 obtuso retuso basi acuto margine crenulato utraque pagiiie glabro, costa supra 

 tenuiter impressa subtus elevata, venis primariis lateralibus supra hand subtus 

 tenuiter elevatis utroque latere costse 7-8 subrectis, utraque glabro obscure 

 minute punctato ; foliolis lateralibus ovato-oblongis apicc breve caudatis 

 basi obliquis latere superiore obtusis vel rotundatis latere inferiore acutis vel 

 obtusis a se 1 cm. remotis ; rhachibus angustissime alatis semi-teretibus, petiolis 

 communibus 2 cm. longis glabris. Paniculae axillares 4 cm. longse 3 cm. latae, 

 ramis divaricatis glabris apice flores subglomeratim gerentibus (pedicellis ultimis 

 1-2 mm. longis crassis basi bracteis minutis triangularibus acutis mm. longis 

 instructis). Flores ? : sepala 4 triangularia apice obtusa basi hand contracta 

 minus quam 1 mm. longa totiusque lata sub microscopio margine ciliolata 

 utraque pagine glabra crassiuscula. Staminodia 4 triangulari-linearia | mm. 

 longa ^ mm. lata baud antherifera. Ovarium tetramerum 1 mm. altum glabrum, 

 carpellis subdistinctis octantiformibus, stylis 2 mm. longis validiusculis exteriore 

 recurvis apice oblique stigmatiferis. Discus sub ovario insitus incrassatus 1 mm. 

 longus totiusque ktus. 



HAB. Lco-choo, Nagodake, leg. G. NAKAHAEA, Aprili. 1907. 



Near Z. euspidatum CHAMP., but distinguishable from it by the much 

 more numerous and smaller leaflets and much shorter common petioles. 



Zanthoxylum acanthophyllum HAYATA sp. nov. Frutex? ramo- 

 sissimus ; rami teretes glabri fulvo-cinerascentes, cortice tenuiter ruguloso 

 lenticellis hand elevatLs minutLs albis hac atque ilkc notato ; ramuli flexuosi 

 alternatim foliati, utroque latere basis petiolorum spinis oppositis instruct!, 

 (spinis vah'dissimis oppositis latere eomplanatis facie exteriore planis facie 

 interiore subangulatis in sectione apice subukto-acutis basi triangukri- 

 dilatatis circ. 1 cm. longis basi 6 mm. ktis rectis a ramulo angulo circ. 

 90 egressis basi deorsum fulvescentibus sursum rubro-purpurascentibus 

 nitidis). Folia rami annotini deeidua majora 7-foh'okta ambitu obovato- 



