AHOIDE.i; 



133 



Fig. 59, Arwzma Takeoi HAYATA ; 1, a spatha 

 with spadix ; 2, basal portion of a spadix ; 3, ovary; 

 4, the" same, seen from above. 



Colocattifi SCHOTT. 



Colocasia formosana HA- 

 YATA sp. nov. (Fig. 60). Ehizo- 

 ma suberectum crassum 10 cm. 

 longum 3 cm. crassum radices 

 teretes 2 mm. crassas multo 

 gerens. Folia ad apiccm rhizo- 

 matis 3-4 insita longe petiolata, 

 petiolis erectis 50-60 cm. longis 

 glabris pallido-viridibus, laminis 

 ovatis 30-40 cm. longis 20-25 

 cm. latis apicc triangulari-acutis 

 basi cordatis pcltatis, sinibus 

 cordis 5 cm. profimdis, membra- 

 naceis. Scapi crecti recti, pe- 

 dunculis 20-30 cm. longis. Spa- 

 tha 15-20 cm. longa couvoluta, 

 in convolute 1 cm. lata, apicc 

 acuminata loco a basi ad 5 cm. 

 altitudinem leviter constricta. 

 Spadix 13-15 cm. longus, parte 

 infeirore ovariifera 4-5 cm. long?\ 

 cum ovariis 7mm. lata; ovarium 

 cum staminodiis intermixtum 

 latere compressum globoso-coni- 

 cum, stigmate peltato sessili 

 rotundato 4-lobato vel clobato ; 

 ]>arte ovariifera apicc gradatim 

 ad partem neutralem abeunti ; 

 parto neutrali 1 cm. longa 2 

 mm. lata apice grandatim ad 

 partem staminiferam abeunti ; 



