AND D ^ MONOROPS , WITH DIAGNOSES OF THE NEW ONES, 205 
flagello tenuissimo aculeato terminati; spathae primariae angustis- 
simae, tubulosae, parcissime aculeatae ; inflorescentiae partiales 
paucae remotissimae et valde elongatae, floribus $ minutissimis ; 
fructus parvi, inter minores, sphaeroidei pisi magnitudine, semine 
globoso 4*5 mill, diam., albumine aequabili. 
Borneo; Sarawak (Beccari P, B. Nos. 1000, 2760, 2927). 
59. Calamus pygmaeus Becc. .... Borneo. 
60. Calamus borneensis Becc. sp. n. — Mediocris, scandens ; 
frondium rachis subtus prope apicem subregulariter aculeis rever- 
sis solitariis armata ; segmenta numerosa aequidistantia remotius- 
cula, anguste lineari-ensiformia, basi breviter . attenuata, apici sensim 
attenuato-acuminata, supra costulis 3 acutis setosis percursa, subtus 
pallidiora, nervis tenuibus, costa media superficiali interdum prope 
apicem parce setosa, marginibus minute et inconspicue spinuloso- 
ciliolatis, majora 30 cent, longa, 13 mill, lata, 2 apicalia minora e 
basi libera ; spadices ? longissimi filiformes ; spathae primariae et 
secundariae valde elongatae angustissimae, arete tubulosae ; inflores- 
centiae partiales valde elongatae, spicis numerosis distice paullo 
supra spatharum faucem horizontaliter callo insertis, filifbrmibus 
10-15 cent, longis utrinque floribus 10-19 distice onustis. Fructus 
(immaturi) parvi subgloboso-ovati, rostrati, perianthio basi calloso 
subpedicelliformi suffulti. 
Borneo ; Sarawak ? (Lobb. in Herb. Calc,). 
61. Calamus Reinwardtii Mart. .... Java. 
C. Reinwardtii v, amplus Mart Java. 
C. Reinwardtii subsp. heteroideus Becc.-— -C. hetero- 
_ ideus Bl. with the vars. /3 procerus^ y refractus^ 5 
conjugatuSy s sp/ssus ...... Java. 
C. Reinwardtii v. pallens Becc,— C. pallens Bl. . Java. 
62. Calamus opacus Bl. ... Sumatra, 
63. Calamus densiflorus Becc. . . Malayan Peninsula. 
64. Calamus Ridleyauiis Becc. sp. n.— Scandens ; frondium 
rachis subtus aculeis reduncis validis sparsis apice nigris armata; 
segmenta numerosa aequidistantia, lineari-lanceolata, basi attenuata, 
apici acuminata, majora 45 cent, longa, 2*5 cent, lata, superiora sensim 
minora, apicalia parva, utrinque viridia et subnitentia, supra costulis 
prominentibus 3 nudis, subtus nervis tenuibus et apice versus setu- 
losis percursa, marginibus nudis ; spadix ? valde elongatus, 3-metralis 
et ultra, flagello aculeato elongate terminatus ; spathae primariae 
arete tubulosae in ore truncatae, dense spinulis parvis armatae ; 
inflorescentiae partiales paucae valde elongatae (usque 75 cent. 
