NEW OR NOTEWORTHY PIANTS OF FORMOSA. 105 



New or noteworthy plants of Formosa. 



Magnoliaceae. 



lUicium arborescens Hayata sp. nov. Arborescens, truncus subrectus 

 12 m. altus, a medio sursum ramosus, ramulis cinerascentibus (petiolis fus- 

 centibus) glaberrimis subangulatis, foliatis. Folia subopposita, petiolata, lan- 

 ceolata vel oblongo-lanceolata, 10-8 cm. longa 2^- cm.-2 cm. lata, apice acumi- 

 nata, ad summum acuta, basi acuta, chartaceo-coriacea, margine integra, costis 

 supra impressis subtus elevatis, venis lateralibus supra tenuissimis, subtus 

 non visis, subtus pallida, opaca, petiolis 1 cm. longis, fuscentibus, supra 

 sulcatis. Flores terminales vel axiUares, solitarii vel gemini, pedunculati, 

 pedunculis 1-2 cm. longis, bracteati, semiclausi, depresso-globosi, 8 mm. 

 longi, 10 mm. in diametro, rosei. Segmenta periantloii glabra crassiuscula, 

 12-15, margine ciliolata, extimis minimis, interioribus magnis, extimis late 

 reniforme cordatis 4^ mm. latis, basi auriculato cordatis, vel semirotundatis 

 5 mm. longis 7 mm. latis, apice rotundatis basi contractis subcordatis vel 

 rotundatis, ad insertionem 2^ mm. latis, interioribus magnis rotundatis 

 8 mm. in diametro apice basique rotundatis, basi constrictis ad inser- 

 tionem 2 mm. latis valde concavis, utrique glabris, intimis plus minus 

 angustioribus. Stamina oo , 2-seriatim disposita 2-3 mm. longa, filamentis 

 complanatis, in latitudine variabillimis, antheris adnatis in forma variabilibus 

 apice truncatis, 1| mm. longis. Carpella 10-14, 1-seriatim verticiUata, latere 

 compressa, a latere visa basi ovata apice caudata, (partibus ovatis 2 mm. 

 longis 1| mm. latis, caudis 1 mm. vel 1^ mm. longis apice extrorse recui-vis), 

 in sectione cuneiformia, dorso obtuse costata, facie acuta, 1-ovulata, glabra. 

 Toras conicus ultra insertionem carpellorum productus, partibus productis 

 breve columnaribus 1-2 mm. longis. 



Hab. Inter Karapin et Funkiko, leg. B. Hayata et S. Sasaki, Jan. 

 1912. 



The nearest congener of this plant is I. majns H. f . et T. (in Hook f. 

 Fl. Brit. Ind. I. p. 40), which is different from our species in having much 

 longer petioles, longer pedimcles ; another plant resembling om-s is I. GriffitMi 



