64 THE FLORA OF THE NOETHERN TERRITORY. 



Leaf -sheaths with acute angles scarcely or not at all winged. 



Nut rugose disk-lobes denticulate. — 2. S. Grseffeana. 



Nut smooth, shining, disk-lofces entire. — 3. S. margaritifera. 

 Leaf-sheaths distinctly winged on the angles. — 4. S. hebecarpa. 



Series V. Macrostachyce. — Panicle single, large, loose and very compound, 

 on a long terminal peduncle. — 7. S. oryzoides. 



1. S. Brownii, Kunth. — Amhem, S. Bay, R. Brown; Port Darwin, 

 Schultz (Nos. 37, 782). 



2. 8. Graeffeana, Boeck. — ^Near Providence Hill, F. v. Mueller. 



3. S. margaritifera, Tf*7M.— Darwin, C. E. F. Allen (No. 19), Jan., 1914. 



4. S. hebecarpa, Nees. — Port Darwin, Schultz (No. 816). 

 6. S. laxa, R. Br. — North Coast, R. Brown. 



6. S. lithosperma, Willd. — Arnhem, S. Bay, R. Brown ; Port Darwin, 

 Schultz (Nos. 6, 171, 266, 817). 



7. S. oryzoides, Presl. — Between M'Adam Range and Providence Hill, 

 F. V. Mueller. 



8. S. pygmcea, R. 5r.— Port Darwin, Schultz (No. 260). 



9. 8. rugosa, R. Br. — Port Darwin, Schultz (No. 80) ; Upper Victoria 

 River, F. v. Mueller. 



PALMffi. 



Erect palms, with a terminal crown of simple pinnate leaves. Flowers 

 monoecious. Outer perianth segments imbricate. — 2. Kentia. 



Erect palms, with a terminal crown of fan-shaped leaves. Flowers her- 

 maphrodite. Perianth-lobes or segments all valvate. Stamens, 6. 



Embryo dorsal. — 1. Livistona. 



1. LIVISTONA, R. Br. 1810. 



{8aribus Blume, 1836). 



Petiole more or less aculeate on the edges. Outer perianth-lobes rather 

 obtuse. — 2. L. Marise. 



Petiole entirely unarmed. Outer perianth-lobes acute. — 1. L. inermis. 



1. L. inermis, R. Br. — Islands of the Gulf of Carpentaria, R. Brown. 



2. L. Uarice, F.v. M. {L. humilis, R. Br). — ^Macdonnell Ranges, G. F. 

 HiU (No. 95a), 16/3/1911. Fruits only. 



Recorded. Arnhem's Land, R. Brown ; Adam River, M'Adam Range, 

 F. v. Mueller ; Port Darwin, Schultz (No. 372) ; Port Essington, Armstrong ; 

 Liverpool River, and Wood Island, Gulliver. 



L. Alfredi, F. v. M. — Recorded in Vict. Nat. , 1892, from North Austraha. 



2. KENTIA, Blume. 

 1. K. Wendlandiana, F. v. M. — Liverpool River, Gulliver. 

 K. acuminata. Mend. — Recorded in National Herbarium Census from North 

 Australia. 



ARACE.ffi. 



A number of neutral filiform organs immediately above the female flowers 

 and a bare interval separating them from 'the males. Ovary with one erect 

 ovule. Leaves entire or 3-lobed. — 2. Typhonium. 



Male 'flowers immediately above the females. Ovary 2-oelled, with one 

 erect ovule in each cell. Leaves compound. — 1. Amorphophallus. 



