MATERIALS FOR A FLORA OF FORMOSA. Ovi 
Arisema Mart. 
Ariseema alienatum var. formosanum Hayara n. v. Herba erecta 
glabra majuscula cum petiolis 60 cm. alta 1-foliata, foliis flori- 
busque costaneis. Folia longe petiolata verticillatim cire. 13- 
secta, segmentis oblongo-oblanceolatis 20 cm. longis 4 em. latis 
apice acuminatis vel cuspidato-acuminatis basi longe attenuatis 
supra basin 2 mm.-latis basin plus minus leviter dilatatis 3 mm. 
latis, petiolis robustis rectis 60 cm. longis basi 7 mm. in sectione 
a medio usque ad basin vaginiformibus pedunculum involventibus 
basi vaginatis, vaginis 13 em. longis membranaceis .discoloribus 
apice obtusissimis multinerviis, basi tubiformibus, tubis 24 cm. 
Jongis. Peduneulus floris ¢ solitarius elongatus 25 cm. longus, 
partibus vaginiformibus petiolorum involucratus, sursum leviter 
recurvus liber. Spatha oblongo-lanceolata caudata cum tubo 14 em. 
longa 24 em. lata, tubo ventricoso-oblongo. Spadix inclusus 
eylindrico-conicus 17 mm. longus 8 mm. latus, appendice longe 
filiformi 6 cm. longa recurva a medio deorsum tuberculis filiformi- 
bus ascendento-recurvis instructa, (tuberculis 3 mm. longis a latere 
compressis basi dilatatis). Flores dicecii. Fl. 2 : Ovarium hexagono- 
obovoideum 14 mm. longum 1-loculare 3-ovulatum, stylo subnullo, 
stigmate pulvinato rubro-marginato. 
Has. Shintiku, leg. T. Kawaxamr et K. Watanase, 1907, 
April. 
Very like the type, from which this is distinguishable by 
the much slender spadix. Also near A. neglectum Scuorr, A. 
Leschenaultii Buume and A. consanguineum Scuotr; but differs 
from them in having spadix with a long hairy thread-like 
appendage, 
