80 LEGUMIN0Sa3. 



racemis axillaribus 2-4-fasciculatis pedicellis 1 cm. longis floribus 2-3- 

 fasciculatis, bracteis obsoletis, petalis ad marginem purpurascentibus. Calyx 

 breve cylindricus, apice subtrancatus, 5-dentatus, dentibus posterioribus 

 subobsoletis, 3-anterioribus conspicuis, medio plus conspicuo. Vexillum 

 obovoideum apice emarginatum ; alffl leviter longiores medio cum carinis 

 tenuiter comiiventes ; carinse apice liberse, basi distinctae. Stamen vexillo 

 oppositum liberum, csetra connata. Stylus filiformis postice recurvus, antice 

 deorsum ciliolatus ; stigma terminale, punctiforme ; ovarium sessile, ovulis 5. 

 Fructus oblongi subcomplanati ± obliqui 4 cm. longi 3 cm. lati 23 mm. 

 crassi 1-spermi exalati lignosi extus dense tuberculati, prope suturam 

 sublseves et obscure costati, in maturo rarius ad sutui-am inferiorem 

 dehiscentes, apice rotundati ad summum breve apiculati, basi obtusi vel 

 breviter stipitiformes angustati medio sensim et obscure tenuissime vix vel 

 hand constricti, pedicellis 1 cm. longis validis. Semina obreniformia 3 em. 

 longa 2^ cm. lata ; testa nitida nigricans, ad apicem medio et ad centram pro- 

 funde impressa ; cotyledonibus amplis late oblongis 3 cm. latis 22 mm. longis 

 basi profunde cordatis, sinibus 14 mm. longis ; radicula obsoleta. 



Hab. Sankakuyii, leg. K. Nagai, 1902. 



The present plant is one of those leguminous plants which affoi-d a 

 poisonous matter used for fishing by the aborigines in Formosa. It was 

 first labelled by Prof. J. Matsumtjka as Derris cUnensis Benth. Soon after, 

 the professor regarded the plant different from Bentham's species and 

 named it D. taiioaniana. The same plant was studied by Dr. K. Nagai 

 who regarded it to be referable to Loncliocarpus or more probably to- 

 Coiibulandia, but not to Derris. He then expressed this opinion in a 

 number* of the Journal of the Tokyo Chemical Society. In my opinion, 

 the plant certainly does not belong to Derris on account of its wingless 

 fruits ; nor should it be refeiTed to Lonchocarpiis, for the plant has a sessile 

 ovary, but has neither elongated pod nor broaded suture. It is also difierent 

 from Coilhi^ndia in having neither tomlose nor rounded pods. A genus to- 

 wliich the present plant should probably be refen-ed is, in my opinion, 

 Pongamia, as is seen from the sti-ucture of the fi-uits. The descriptions of 

 * Journal of the Tokyo Chemical Society XXIII —7, pp. 744-777 (.Japanese). 



