REPORT ON THE BOTANY OF THE SOUTH-EASTERN MOLUCCAS. 225 



Hydnophytum crassifolium, Beccari. 



Hydnophytum crassifolium, Beccari, Malesia, ii. p. 124. 



Arrou.— All the species of this genus are singularly local ; not one being recorded 

 from two different islands. 



MYRISTICEiE. 



Myristica (Eumyristica) myrmecophila, Beccari. 



Myristica (Eumyristica) myrmecophila, Beccari, Malesia, ii. p. 37, t. 1. 



Arrou.— Also in New Guinea. The hollow branchlets are inhabited by a species 

 of ant. 



Areca macrocalyx, Zipp., <5 aruensis, Beccari. 



Areca macrocalyx, Zipp., 3 aruensis, Beccari, Malesia, i. p. 20. 



Arrou. — Found also in New Guinea. 

 Kentia costata, Beccari. 



Kentia costata, Beccari, Malesia, i. p. 36. 



This species, which is abundant in the paludal forests of Arrou, is said to be very closely 

 allied to Kentia moluccana. 



Drymophlceus propinqvms, Beccari. 



DrymopMcsus propinquus, Beccari, Malesia, i. p. 43 et var. @ ieiensis, Becarri, lot cit., p. 44. 



Arrou ; Ki. 



Caryota rumphiana, Mart. 



Caryota rumphiana, Mart., /3 papuana, Beccari, Malesia, i. p. 70. 

 Ki. — This species ranges from Java to New Guinea and North Australia, 



Licuala aruensis, Beccari. 



Licuala aruensis, Beccari, Malesia, i. p. 83. 



Arrou. — Closely allied to the New Guinea Licuala j>< nduliflora, Zipp. 



Korthalsia sp. 



Korthalsia sp., Beccari, Malesia, i. p. 87. 



Arrou. — Only fruit of this was collected, and Beccari remarks that it may belong 

 the New Guinea Korthalsia zippelii, Blume. 



(bot. CHALL. EXP. PART III. — 1885.) C 29 



