2 NYMPl&EACEJE. 



HAP>. Musha Oiwake, log. B. HAYATA, Mai. 1910 ; Gokwaii/an, leg. U. 

 MORI, Feb. 1910. 



Near M. lomariifolia TAK., but differs from it in the much narrower leaflets 

 which are less spinons at the margin and have the less elevated veinlets. 



Nymphaeaeese. 



Nuphar SM. 



Nuphar Shimadai HAYATA sp. nov. (PI. I.) Herba aquatica ; rhizoma 

 crassum repens subteres 1 cm. in diametro se^tioiiis sursum radiciferuni, radici- 

 bus toretibus incrassatis 3mm. in diametro sectionis. Folia circnm rhizoma 

 spiraliter disposita longe petiolata, lamina in ambitn oblonga vel ovata (ab 

 apicem lamina? usque ad apiceni auricula*) 8-10 cm. longa 7-8 cm. lata apice per- 

 fecte rotundata basi sagittato-cordata (lobis cordis subtriangularibus 3-4 cm. 

 longis apice obtusissimis) margine snbintegra supra in exsiccato minute muricato- 

 scabriuscula glabra subtus versus medium pauee versus marginem densissime 

 hirsuta, costis supra Jiaud visis subtus leviter elevatis, venis latcralibus 

 radiatim divaricatis supra Jmud subtus distincte visis tcuuissimis, subcoriacea, 

 petiolis 15-30 cm. longis basi dilatatis. Sjapus 25-40 cm. longus teres 3-3^ 

 mm. in diametro sectionis erectus. Flores flavi solitarii terminales. Sepala 

 5 obovata vel spathulato-obovata plus minus inaequalia Imajora 2 cm. longa 

 13 mm. lata apice late rotundata vel cmarginata basi angustata ad inscrtionem 



3 mm. lata vel latiora, exteriora minora plus crassa interiora majora tenuis^ime 

 niembranacea. Petala cc breviora staminodiiformia 6 mm. longa 2|-3 

 mm. lata dorso complaiiata obovato-C|uadrangulariformia apice truucata vel 

 eniarginata. Stamina oo cum antheris 1 cm. longa, nlameiitis dorso complaiiatis 

 8 mm. longis 1 mm. latis glabris, antheris cpiadrangulari-formibus 2|- mm. longis 

 1|- mm. latis apice truncatis, loculis 2 linearibus introrsis a se | mm. distantibus. 

 Ovarium semi-rotuiidato-coniforme 3-4 mm. longum 7 mm. latum glabrum 

 apice ad styluni 1-2 mm. longum abeuns, stylo apice 10-fido, segmentis 2mm. 

 longis exteriore rejurvis apice acutis facie interiore promineiiti 1-carinatis ad 

 carinas stigmatosis. Bacca late globosa 17 mm. longa 20 mm. lata apice stigmate 

 coronata. Semina globoso-ovoidea 4 mm. longa 3 mm. lata apice obtusa basi 

 rotundata, testa crustacca fusco-castanea ; albumen osseum suciiieum semi- 

 pelluciduin. Embryo teres centralis. 



HAH. Shiuehikucho : Shimpo, leg. Y. SHIMADA, Dec. 1915. (Fl. et fr.) 



