— 594 — 
ceatis calyce longioribus suffultae, subglobosae vel ovoideo-globosae, 
obtuso-apiculatae, squamis in serie perpendicular? octonis rhombeis 
medio sulcatis, margine fusco extimo tenerrime erosulo cinctis, tes- 
taceo-stramineo-pallidis. — Prope D. verticillarem MART, ef -affincs, 
fructu D. accedenti BL. haud dissimilis. — Sumatra orient. in 
prov. Palembang, prope Muara-duwa, Muara-enim (r.). 
(1218). Calamus Diepenhorstii. Vaginae crassae praeter basin 
aculeis uigrescentibus transverse seriatis sparsisque subulato-com- 
pressis armatae; petiolus 35} ped. rhachisque (2% ped. longa) dorso 
marginibusque aculeis reduncis brevibus nigrescentibus armata, acu- 
leis superne ternatim combinatis, communi basi tumidâ pallidÂ in- 
sessis ; frondis ecirrhosae segmenta densa, utrinque circiter 35 li- 
neari-lanceolata acuminata tri- (cum nervis tenerioribus 7-) nervia, 
marginibus glabra, in nervo medio subtus carinato nigro-setosa, 
transverse venosa, membranacea, majora pedalia; spadix cum pedun- 
eulo 12-pedalis (ipso pedunculo 7—8-pedali) tenuis redunce acu- 
leatus, ramis primariis paucis distantibus elongatis, vaginis arctis 
inermibus glabris, ramulis alternis 8—12 patentibus brevibus dis- 
tantifloris; calycis corollaeque lobi breves lati subaequilongi; dru- 
pae e lutescente albidae (vix maturae) subglobosae brevi-apiculatac, 
squamis ín serie perpendiculari 12—11 (adjectis summis depaupe- 
ratis) rhombeis dorso sulcatis, utrinque tumidulis, sub lente obso- 
letissime fusco-marginatis. — Prope C. mierauthum et C. vimina- 
lem, — Sumatra occid. in Priaman (n.). 
(1219). Calamus subangulatus. Culmi tenues elongati; vaginae 
apice postice ungulato-tumidae, praesertim superne striato-angulatae 
(ex rubello fuscescentes), angulis obsolete papillosis, aculeis sparsis 
e basi tumidâ subulato-compressis subtus concaviusculis, supra con- 
vexis, pallide fuscescentibus; petiolus brevis nunc subnullus; rhachis 
tenuis pallida semitereti-trigona (apice cirrhosa?), dorso aculeis pa- 
tulo-subreduncis, nune praesertim versus basin geminato- vel ternato- 
transverso-unitis; segmenta distantia saepe geminato-confertiora lan- 
ceolato-linearia filiformi-acuminatissima, membranacea, opaca, subtus 
paullo pallidiora, praeter nervum medianum utrinque tenuiter 3- 
nervia, venis transversis raris, marginibus costàque utrinque prac- 
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