Explanation of Pl. XVH. 



Arlsivrna <jrfn>sof:pii.dLc Hayata. 



Fig. 1. The plant. 



i-'. A male .si^adix. 



• '. A loale flower. 



4. A fcmale spadix. 



.^. A fruit-bearing toras. 



'i- 7. A .seed, seeu ficnii (liflercut sides. 



8. Tlie same, iu cross sectiou. 



Yv^. 1, 2, 4, .5, natural .size; tig. 3, xl5; iig. 6. 7, 8, x3. 



