ALISJrACE.E. 249 



remarks iu liis uioiiograph, " flores polygami (hermapliroditi et raasculini), 



stamina 9 nsc[ne 12 cetera ut in Sar/ittaria Plantre submersa? fluitantes ; 



folia longe petiolata, lamina iu superficie aquas nataus, ovalis basi profundo 

 excersa (lamin;B Nympluearum similis) ; flores emersi." Our species exactly 

 agrees with this gcnus, but for its having invariably hermaphrodite flowers. 

 It may be well iufeiTed, however, that polygamous flowers may be fouud iu the 

 Formosan species when rich coUectious of the same plant are examined. 



Lophotocarpus formosanus Hayata s^i. nov. Herba acpiatica acaulis. 

 Folia omnia radicalia lascicidatim disposita, petiolis 15-20 cm. longis medio 

 5 mm. latis apice valde angustatis 1-2 mm. hxtis glabris, lamina rotundata vel 

 trianguhvri circ. 3^ cm. longa toiusque lata apice obtusissima vel rotuudata basi 

 profimde corclata, lobis cordis lj-2cm. longis apice acutis vel obtusis vel ro- 

 tundatis plus miniis divaricatis, sinibus cordis latis triangularibas, margine in- 

 tegra membi"anacea palmati-nervia uti'a€[ue pagine glabra subtus pallida minute 

 punctata. Scapi a centro fascicidi foliorum oriundi 10-15 cm. longi aphylli apice 

 flores umbellatim vel cymosim 2-3 gerentes. Umbellae (vel cym«) 2-3-florata3 

 basi involucro sufflilttB, involucro tenuiter membranaceo campanidato 7 mm. 

 longo apice totiusc[ue lato apice 3-4 Ljbato, lobis triangularibus obtusis ; radiis 

 umbellarum vel pedicellis florum 5 mm. lougis validiusculis glabris erectis. 

 Sepala 3 ovata 7 mm. longa 5-6 mm. lata apice obtusissima basi haud vel vix 

 contracta ad basin 3^-4 nim. lata margine hyalina tenuissima integra glabra. 

 Petala tenuissima post anthesin evanescentia 7 mm. longa cum sepalis a^quilonga 

 5-6 mm. lata apice late rotundata basi fere rotimdata ad insertionem ^ ram. lata. 

 Stamina 9, filamento complanato 2 mm. longo, anthera adnata oblonga 1 mm. 

 longa apice acuta. Carpella oo, rcccptaciflo 3mm. longo 2\ ram. lato ellipsoideo 

 apice obtiLso basi haud contracto ; carpello cum stylo 1 mm. longo ; ovario semi- 

 oblongo glabro. Achasuia valde complanata oblique oblonga 3mm. longa 2mm. 

 lata margine grosse dentata, (dentibus J mm. longis J ram. latis ai)ice trimcatis 

 vel obtusis complanatis), facie paucissime muricata vel sviblfevia apice stylo 

 dentiformi truncato oblique coronata; albumen 0; embryo oblique U-formiter 

 recm'vus, partibus rccurvatis firme se contactis. 



Hab. Toyeu, leg. S. Sasaki, Sept. 1908; Bidritsu, Taiko, leg. Y. Shijuda, 

 Aug. 1907, (No 4209). 



