CLVI. PALMACEiE. 
Plectocomiopsis.'] 
67 
2 or 3; petioles stout, -5 in. through; rachis -5 in. through, armed 
with distant lines of 3 flat spines 1-25 to 175 in. long on an elevated 
ridge on the back; leaflets linear acuminate, 15 in. long, -6 in. wide, 
pinched in at base, edges spiniilose. Male panicle 9 in. long. Basal 
spathe broadly lanceolate papery, 4 in. long, i in. wide, upper ones 
smaller. Spadix of about 12 branches subdistichous, the lowest 
5 in. long. S]>ikes numerous, crowded, distichous, -3 in. long. 
Spathels ovate boat-shaped acute, *25 in. long, scurfy. Spathellules 
cup-shaped, in 2 rows of 6 on a spike. Calyx stiff, tubular and cut 
halfway into 3 ovate lobes. Corolla lobes lanceolate stiff, about 
twice as long, -8 in. long. Hab. Lankawi, Telok Apan (Haniff). 
(6) P. Scortechinii Ridl. Mat. ii. 213. Myrialepis Scortechinii 
Becc. in Hook. fit. F.B.l. vi. 480; Ann. Bot. Card. Calc. xii. 2, 65, pi. 41. 
Stout rattan 60 to 70 ft. long, i in. through. Leaves 8 ft. long; 
sheaths armed wdth spines in circles and half circles 1*5 in. long, 
yellow, tipped red; petioles short; leaflets in threes, linear acumin¬ 
ate, 7 in. long, ‘5 in. wide. Flagellum 2 ft. long. Spadix about 
2 ft. long, branches recurved, stout, distichous, distant. Spathes 
tubular striate, i to 2 in. long, limb short. Spikes *5 in. long. 
Calyx cup-shaped, lobed halfway. Petals larger. Stamens 6, 
connate, in a tube round the pistil. Fruit globular, green, i in. 
through; scales minute acuminate. Hab. Damp spots forming 
low' tliickets. Singapore, Bukit Mandai Road (Ridley). Perak 
(Scortechinii). Native names: Rotan Rajah; Rotan Kirtong. 
Beccari's plate 40 in Ann. Bot. Card. Calc., contains a male spadix of 
Plectocomiopsis annulatus Ridl., and portion of stem of P. Scortechinii Ridl. 
27 . KORTHALSIA, Bl. 
Climbing palms. Leaves pinnate, usually rhomboid, ligule 
often dilated, large amplexicaul (ochrea) frequently containing ants’ 
nests. Spadix subterminal of several branches with tubular spathes 
and pendulous cylindric spikes covered with short truncate round 
bracts, w'oolly inside. Flowers bisexual. Calyx saucer-shaped or 
cupular, 3-lobed. Corolla tube short, lobes oblong. Stamens 
filaments adnate to corolla, short. Ovary conic, scaly; style i. 
Species 20, Burma, Andamans to Malaya. 
Ochrea inflated. 
Ochrea long elliptic, spiny; leaves linear lan¬ 
ceolate ...... 
Ochrea cymbiform, thorny. 
Leaves rhomboid ..... 
Leaves linear-lanceolate .... 
Ochrea cylindric thorny; leaves rhomboid 
Ochrea not inflated, tight-fitting. 
Stems gigantic; leaves obcuneatc rhomboid. 
Ochrea short; petioles calloused at base 
Ochrea 5 in. long; petioles not calloused 
Stems more slender; bracts shorter than calyx; 
leaves glaucous on back. 
Sheaths thorny; leaflets broad obcuneate 
(i) K. echinometra 
{2) K. scaphigera 
(3) K. Scortechinii 
(4) K. Machadonis 
{5) K. wallichieefolia 
(6) K. graudis 
(7) K. ferox 
