416 CLXIII. PALMED. (Beccari & Hook, f.^ [lyuanura. 



Stem 2-4 ft. by in., annulate. Leaves 3-3 by 1-1 ft., linear-oblong; 

 leaflets linear, 1 ft. by -2 in., 2- or more-keeled, terminal forked, lobes erose- 

 dentate ; petiole 1 ft., base scurfily pubescent ; sheath a span long. Spathes sub- 

 coriaceous, lowest 2-keeled, upper conduplicate and spadix browu-pubescent. 

 Spadix with a long slender erect peduncle, and 2 or more pendulous spongy spikes 

 or branches 6-10 in. long, loosely covered with flowers ; fruiting 1-1^ ft. nodding; 

 flowers inserted in pits with membranous margins. Male fl. in pairs ; sepals oblong, 

 striate ; petals ovate-lanceolate ; filaments iuflexed in bud ; pistillode stout, tip 

 3-lobed. Fern. fl. towards the base of the spike ; sepals of the male ; petals broad ; 

 ovary gibbous. Fruit over in. long by diam., black-purple. Seed erect ; 

 albumen ruminate. 



2. I. malaccensis, Becc. Males, iii. 102 ; stem slender, leaves pin- 

 nate, leaflets about 5 pairs, lower falcate caudate-acuminate upper broader, 

 petiole pubescent, spadix simple filiform, finely tomentose. 



MALAY PENINSULA; Selangore, F. Kelieding; Perak, Larut, King's Collector 

 (1869, 2994). 



Closely allied to I. geonomaformis, differing in the fewer leaflets and simple not 

 furfuraoeous but finely tomentose spadix. 



** Spadix interfoliar, long peduncled, with few subterminal short 

 simple or forked branches or spikes. 



3. I. Wallichiana, Hook. f. in Gen. Plant, iii. 908 ; leaves simple 

 or pinnatisect, fruit globosely obovoid. Areca Wallichiana, Mart, in 

 Wall. Cat. 8600; Hist. Nat. Palm. iii. 178, 312 ; Becc. Males, iii. 100. 



PENANG, Porter. SINGAPORE, Lobb. 



Stem solitary, 2-12 ft., straight, slender. Leaves very variable in size, 1C in.- 

 2 ft. long, simple and forked or more or les? pinnatisect, with long narrow leaflets. 

 Spathes 2, lower 2 in., hidden in the leaf sheath, strongly compressed, acutely 

 2-keeled, tip 2-toothed; upper shorter, acuminate, rusty-pubescent. Spadix long- 

 peduncled ; peduncle 18-24 in., branches 3-7 variable in length. Fruit rather 

 more than in. long by - in. diam., red when ripe. The following varieties are 

 from Perak : 



Var. a major, Becc. ; stem 10-12 ft. by 2-3 in. diam., leaves 2-4 ft. undivided 

 or pinnatisect, fruit about T 6 n by ^. King's Collector (431> 8227, 3127). 



Var. )8 minor, Becc. ; stem 18-30 in., leaves about as long simple or pinnatisect, 

 fruit rather smaller. King's Collector (454, 7941, 7996, 7999). 



*** Spadix interfoliar, very shortly peduncled. 



4. I. brevipes, Hook. f. ; leaves pinnate, leaflets distant broadly 

 trapezoidly cuneate or subquadrate prae morse many-nerved coarsely 

 toothed, spathe long deeply grooved, spadix laxly paniculate, branches 

 divaricate lax-fld. 



PEEAK, Larut, 3-4000 ft., King's Collector (2029). 



Stem thicker than a swan's quill, iea/15 in., leaflets 5 pairs, 5-6 in. long by 

 1 -3 broad, inserted by a contracted but very broad base, upper margin subcaudate ; 

 rachis glabrous; sheath 5 in., many-ribbed. Spadix with the peduncle wholly 

 included in the leaf-sheath, quite glabrous ; primary branches 34, 3-4 in. long, 

 sparingly again divided, rather slender, angled (when dry). Male fl. scattered, 

 about JQ- in. long; sepals orbicular ; petals broadly oblong, obtuse, very coriaceous ; 

 stamens 6, filaments inflexed, anthers linear-oblong ; pistillode columnar, capitate. 



#*** Spadix infrafoliar, peduncle shorter than the spathe or shortly 

 exceeding it. 



5. X. diffusa, Becc. mss.- t leaves large, leaflets numerous equidistant 



