Materials for a Flora of the Malayan Peninsula. 187 



This has been confused by MartiuS and Hooker with D. periacan- 

 thus especially in the matter of the male flowers, those of the latter 

 being described as those of this species. (Fl. Brit. Ind.) The spathes 

 of both are very similar. 



Indeterminable . 



D. VAGANS, Becc. Fl. Brit. Ind. VI. 469. 



D. Sabut, Becc. I.e. 



D. Oligophyllus, Becc. I.e. 470. 



D. MACROPHYLLUS, Becc. l.C.C. 



All descriptions of scraps of leaves, from King's and Scortechini's 

 collections. 



21. Ceratolobus, Bl. 



Scandant unisexual palms. Leaves flagelliferous, leaflets distant 

 lanceolate to cuneate. Spathe solitary, persistent, thin boat-shaped 

 beaked, somewhat flattened, unarmed splitting on the ventral face. 

 Spadix short laxly branched, spathels tubular. Bracts ovate. Male 

 flowers smaller than female, calyx very short 3 lobed, petals free to the 

 base short oblong obtuse. Stamens 6 adnate to petals at base. Pistil- 

 lode minute. Female spadix shorter, calyx distinctly tubular. Petals 

 larger and more acute. Fruit one-celled, one-seeded, scales few, seed 

 globose or flattened, testa fleshy, albumen deeply pitted or ruminate. 



Species 5 or 6, Malay Peninsula and Islands. 

 Very large plant, leaflets few, cuneate rhom- 

 boid. ... ••• ... ... ... 1. C. Kingianus. 



Slender plants leaves narrow lanceolate. 



Leaves in clusters or opposite. ... ... 2. C. Laevigatas. 



1. C. Kingianus, Becc. Fl. Brit. Ind. I.e. 477. Stem 25 to 50 

 feet long, li inch through, leaves 3-4 feet long, sheaths unarmed trans- 

 versely rugose, mealy white, petiole 6-8 inches long, base gibbous, 

 spiny with short conic spines in groups. Leaflets few, cuneately rhom- 

 boid or trapezoid plicate acuminate lobed and toothed, white beneath, 

 6 to 9 inches long, 3 to 4 [inches wide. Inflorescence sessile, 8 to 10 

 inches long, erect narrow, branches short, glabrous. Spathe 8 to 12 

 inches long, elongate, oblong, thinly coriaceous. Male flowers rs inch 

 long, glabrous. Calyx cupular, minute ; petals narrow, three times as 

 long. Fruit elliptic or spherical shortly beaked with petals broadly 

 ovate, f to f inch through, scales longer than broad, mahogany brown 

 with darker tips, hardly channelled. Seed nearly smooth. 



Perak : (Hullett, King's Coll. 2547, 2856, 5589), (Wray 2869). 

 Endemic. 



2. C. Laevigatus, Becc. Fl. Brit. Ind. VI. 477. Stems short, 

 about 8 or 9 feet tall 4 inch through, brown when dry, spines strong, 

 flat, scattered single or paired, decurved pale. Leaves about 2 feet long 



