28 AKT. I. B. HAYATA : 



pinnata, cam petiolis 8 cm. longa, glabra, in circumscriptione 

 ovata, petiolis 4 cm. longis basi graclatim dilatatis, plus minus 

 incrassatis, pinnis remotis cam petiolulis 2 cm. longis, 1 cm. latis, 

 j)innulis obovatis, 3-lobatis vel-lobulatis, sessilibus, lobulis obscure 

 mucronatis. Folia caulina iis radicalibus conformia. Racemi 

 5-8 cm. longi, bracteati, densiuscule florati, bracteis obovatis 

 obtusis 5 mm. longis 2J mm. latis, pedicellis 6 mm. longis. 

 Sepala 2, minuta, caducissima, oblique rotundata Iv^ mm. in 

 diametro, erregulariter dentata, basi rotundata, peltatim vel 

 cordatim affixa. Petala 4, exteriora altero basi calcarato, cum 

 calcare 18 mm. longo 5 mm. lato erecto vel levitcr recurvato apice 

 truncate brevissime calloso-mucronato marginato, prope apicem 

 leviter concavo-excavato, altero angustato 13 mm. longo, 3 mm. 

 lato, apice truncate et carnoso mucronato prope. apicem giboso, 

 interiora ano^usta lono;e ung-uiculata, cum uno-uibus 13' mm. lono;a, 

 unguibus 7 mm. longis, laminis angustatis obliquis basi leviter 

 auriculatis 7 mm. longis, 2^ mm. latis, apice truncatis carnoso- 

 mucronatis, dorso carinatis, carinis apice leviter productis, 1 -^^ mm. 

 latis. Filamenta 12 mm. longa 2 mm. lata, complanata versum 

 apicem angustata. 



Hab. Taitö : Daironkösha, leg. T. Kawakami, et U. Moki. 



Argemone Linn. 



Argemone mexicana Linx.; PiOxb. "Fl. Ind. II. p. 571; " Hook. 

 f. et Thoms. in Hook. f. Fl. Brit. Ind. I. p. 117. 



Hab. Taitö : Hinaro, leg. T. Kawakami et Z. Kobayashi, 

 Juni. 1906, (Xo. 1558). 



Disteib. An American plant ; naturalized in Formosa. 



Observ. An armed plant; leaves sessile, oblong, 10 cm. long, 

 5 cm. broad, dentately incised, aristate on the margin, costs, 



