2o8 systematic enumeration of the species of calamus 
A. — Embryo lateral. 
91. Calamus gracilis Roxb. . . . N. E. India. 
92. Calamus melanacanthus Mart. . . Tenasserim, 
B. — Embryo basilar (where known). ^ 
93. Calamus Diepenhorstii Miq. Malayan Peninsula ; Sumatra. 
94. Calamus marginatus MdiXt.-^D^monoropsl marginatus 
BL ...... . Borneo. 
95. Calamus singaporensis Becc. . . Singapore. 
Group '^.-—-Leaves not produced into a cirrus. Leaf^sheaths 
flagelliferous. Primary spathes strictly sheathing- Spaihellule 
distinctly pedicelliform. Fruiting perianth pedicelliform. Seed 
ruminate (with many plaits radiating from the centre to one face); 
embryo lateral. 
96. Calamus CILIARIS Bl. . . . Java ; Sumatra. 
97. Calamus EXILIS Griff. . . . Malayan Peninsula. 
98. Calamus pilosellus Becc. sp. n.— Gracilis, vaginis i cent, 
diam. vix spinosis sub lente minutissime tuberculatis ; frondium 
(60 cent, long.) petiolus brevis ; rachis furfuracea et pilis basi 
bulbosis induta; segmenta nutnerosa (in quovis latere circiter 35) 
approximataet regulariter aequidistantia, anguste lanceolata utrinque 
aequaliter et sensim attenuata, majora 10 cent, longa, lo-ii mill, 
lata, in facie superiore subnitentia, costa media nervis primariis 
2 setis longis obsitis percursa, nervis secundariis quoque pilosis 
in facie inferiore scabrida spinulis minutissimis causa, secus nervos 
(circiter 50) tenuissimos, seriatis ; spadix ^ elongates apici flagelli- 
ferus, spathis tubulosis parce aculeatis laevibus nec scabridis. 
Borneo (Lobb in Herb. Kew). 
99. Calamus sarawakensis Becc. sp. n. — Gracilis, vaginis 
flagelliferis 7-10 mill, diam , sub lente minutissime tuberculato-scabri- 
dulis, spinis paucis brevibus horizontalibus vix armatis ; frondium 
(60-65 cent, long.,) petiolus longuisculus subtus et in margine spin- 
ulosus ; segmenta utrinque 16-18 inaequidistantia, lineari-ensiformia, 
majora 20-22 cent, longa, 15-16 mill, lata, basi longiuscule attenuata, 
apici acuminata, nervis primariis in facie superiore 5-7 spinuloso- 
ciliatis percursa, nervis minoribus interdum quoque indistincte spin- 
ulosis intermixtis, subtus nervis tehuibus numerosissimis et minute 
.ciliolatis.-— C. ciliari proximus. 
Borneo ; Sarawak (Beccari P. B. No. 1920). 
