Materials for a Flora of the Malayan Peninsula. 213 



C. viminalis, Willd. Penang (Wallick 8G11). This has never been 

 seen again in the peninsula and is an Indian species ; the locality is pro- 

 bably erroneous. 



23. Plectocomiopsis, Becc. 



Stout, often gigantic rattans with much of the habit of Plectocomia. 

 Leaves pinnate large, tlagelliferous, terminal leaves in one species at 

 least reduced to sheath and flagellum. Inflorescence of numerous pen- 

 dent panicles, unisexual on each plant, sub-terminal and causing the 

 death of the stem. Spathels tubular, spathellules ovate, shorter than 

 the flower, small. Calyx cup-shaped, shortly lobed. Corolla of three 

 ovate lobes little longer. Fruit globose, green or brown, densely cover- 

 ed with minute acuminate scales with free points. Seed deeply pitted. 

 Species 5. Martaban and Malay peninsula and Borneo. 



Sheaths armed with long flat spines in semicircles. 

 Leaflets broad lanceolate ... ••• ... 1. P. annulatus. 



Leaflets narrow linear ... ••• ... 2. P. Scortcchini. 



Sheaths covered with short conic scattered 



thorns ... ••• ... ... ••• 3. P. genii nijlor us. 



1. PL. ANNULATUS, n. sp. Stems 60 to 80 feet tall, 2 inches 

 through, dark green ribbed, regular. Leaves 10 to 15 feet long, sheaths 

 dark green with strong spines, 1^ inch long, flattened yellow in half rings 

 about 12 together as in Plectocomia ; petiole 2-3 feet long armed, with 

 spines in threes ; leaflets in alternate threes,, lanceolate acuminate 12 

 inches long, 3 inches wide, dark green on both sides. Flagellum 2-6 

 feet long, stout, on the end of the leaf, armed with groups of hooks. 

 Male inflorescences three feet long, pendulous, branches over a foot long, 

 spathes tubular, 2 inches long with a lanceolate point, spathels an inch 

 long, branchlets 3 inches long. Spikes 4 inch long, recurved about 20 

 on the lower branchlets, bearing 16 flowers or fewer distichous. Bracts 

 ovate, lanceolate. Bracteole opposite , nearly as large bilobed, with 

 acute lobes. Male flowers not seen. Female inflorescence very stout, 

 with branches 8 inches long, flexuous, spikes 2 inch long, 5-6 flowered. 

 Bracts ovate woolly on the edges, ribbed. Flowers ro inch long. Calyx 

 campanulate, deeply three lobed with ovate lobes. Corolla lobes little 

 longer, ovate. Fruit sub-globose \ inch through, brown entirely cover- 

 ed with minute lanceolate acuminate scales with free points. 



Singapore: Botanic Gardens (Kidley 12500), Bukit Timah (11457) 

 Bukit Mandai. This plant, especially when young closely resembles 

 PI. Griffithii Becc. Endemic. 



2. PL. SCORTECHINII, Kidl. A stout rattan 60 to 70 feet long, and 

 one inch through. Leaves about 8 feet long, sheaths grey green terete, 

 armed with spines in circles and semicircles, li inch apart, spines li 

 i nch long, yellow with red tips, petiole short, rachis armed with large 



