II! 
204 SYSTEMATIC ENUMERATION OF THE SPECIES OF CALAMUS 
et oblique seriatis armatis ; frondium petiolus brevissmus spinis rectis 
longis horizontalibus armatus, rachi in dorso spinis rectis longis 
solitariis deflexis, aculeis reduncis intermixtis, armata; segmenta 
numerosa approximata aequidistantia anguste lanceolata, supra in 
costa media, subtus in nervis 3 spinulosa, marginibus patule crebreque 
serrulato-i-spinulosis ; spadicis ? spathae primariae elongato-tubulosae, 
aculeatae, in ore oblique truncatae | inflorescentiae partiales 12-15 
cent, longae, spicis disticis utrinque 5-6, 8-9 cent, longis ; floribus 
4-seriatis. — C, viminali affinis differt segmentis aequidistan* 
tibus et floribus ante anthesin 4-seriatis. 
Siam (Schomburgh in Herb. Kew), 
47. Calamus concinnus Mart. . . . Mergui. 
48. Calamus floribundus Griff. — C mishmeensis Griff. — C. 
multijiorus Mart, .... N.-E. India. 
49. Calamus mollis Blanco— -C. Hankeanus Mart. — C. usiiatus 
(not of Blanco) Vidal .... Philippines. 
50. Calamus Blancoi Kunth — C. gracilis (not of Roxb.) Blanco 
— C. brevi/rons Mart.— C, parvifolius (not of Roxb.) Vidal 
— C. usitatus (not of Blanco) Mart. , Philippines. 
Calamus pseudo-tenuis Becc.— C. tenuis (not of Roxb.) 
51 - 
52. 
53- 
54- 
55- 
56. 
Thw. ...... 
Calamus radicalis H. Wendl. 
Calamus zebrinus Becc. 
Calamus barbatus B1. . . . 
Calamus interruptus Becc. 
Calamus docilis Becc. — C. interruptus 
S. India ; Ceylon. 
Australia, 
New Guinea. 
New Guinea. 
New Guinea. 
V. docilis Becc. 
— New Guinea. 
57. Calamus serrulatus Becc. . . . New Guinea. 
E, — Leaflets as in /?., but more numerous^ usually narrow (lan» 
ceolate in C. salicifolius). Fruiting perianth slightly callous at the 
base and subpedicelliform. 
58. Calamus iiematospadix Becc. sp. n. — Scandens, caudice 
digiti crassitiae, vaginis dense spinis laminaribus lanceolatis parvis 
armatis ; frondium (80-90 cent, long.) petiolus. elongatus mar- 
ginibus aculeatis segmenta 15-30 in utroque latere aequidistantia, 
lineari-ensiformia, 20-30 cent, longa, 1*2 cent, lata, basi attenuata^ 
apici acuminata, supra substriato-multinervia, costulis majoribus 3 
percursa, quarum costula media nuda et costulis lateralibus spinu- 
losis, subtus costa media superficiali spinulosa, et nervis lateralibus 
nudis ; marginibus prope apicem tantum inconspicue spinulosis ; 
spadices longissimi (ultra 3-metrales) gracillimi filiformes, apici 
