246 



AROIDEA'. 



Closely allied to ^- laminatum BLUME (BEXTH. Fl. Hougk. p. 342) ; but 

 differs from it by the petiolate leaflets and by the lamina of the spatha ending 

 with a very short arista of 2 mm. in length. Also near Ariscema penicillatum 

 ' N. E. BROWN (in Journ. Linn. Soc. Bot. XVIII. (1881) p. 248, t. 5), but dis- 

 tino-uishable from it by the very oblique ovoid ovary which are ascendingly 

 arranged and in having the spadix with the dark green penicillate apex. 



Arisaema kelung-insularis HAYATA sp. nov. (Fig. 88). Tu- 

 ber.... Folia singula, lamina in anibitu rotunda ta radiatim 11 -par- 

 tita, segmentis longe liuearibus 30-35 cm. lougis 1^ cm. latis apice 

 longe filiforme acuminatis basi attenuatis margine integris tenuis- 

 sime herbaceis, petiolis 40 cm. longis teretibus deorsum purpureo- 

 marmoreis basi vaginatis scapum amplectantibus. Pedunculus floris 

 foeminei 18-20cm. longus. Spatha basi tubiformis fornicate 15cm. 

 longa in explicate ad orem 4 cm. lata apicc caudata (caudis apice 

 filiformibus) sursum viridis albo-striata. Spadix cylindricus 22cm. 

 longus (exceptis stipitibus appendiculisque) 9 mm. latus utrinque trun- 

 catus dense ovariifer, stipite 15 mm. longo basi dilatato subconico 

 basi 1 cm. in diametro, appendice clavato-cylindrico-columniformi 

 5-6 cm. longa sursum latiore deorsum minus lata basi 2 mm. iu 

 diametro sursum 3-4 mm. in diametro meclio deorsum setosa, setis 

 mollis 7mm. longis ascendeutibus, a medio sursum kevi apice rotun- 

 data. Fl. : ovaria obconica sessilia hexagoniforinia dense disposita ; 

 stigmata punctiformia. 



HAB. Ins. Keluug, leg. S. SASAKI, Mai. 1910. 



Near Ariscema Jormosana HAY., but differs from it by the 



the spadiccs which are much thicker and rod-formed. a female spa . 



Arisaema ringens SCHOTT.; MATSUM. et HAYATA Enum. PL dix> 

 Formos. p. 457. 



HAB. Kelung, leg. B. HAYATA et S. SASAKI, Juui. 1912. 



Arisaema Takeoi HAYATA sp. nov. Tuber depresso-globosum 2 cm. longum 

 3 cm. latum per totem faciem radici-ferum. Folia solitaria, petiolis 68cm. longis 

 basi squamis panels obtectis, lamina pedatim 2-partita. partibus a se angulo 

 30 egressis circ. 10cm. longis unilateraliter segmentiferis, segmento singulo 



a 



Fig. 88, 

 Ariscema ke- 



HAYATA ; :i, 



