PALMS OF WESTERN TROPICAL AFRICA. 435 
eirrhum elongata, dorso convexa, supra ad partem inferiorem angulato-rotundata, ad partem supe- 
riorem triangulari, ad margines partis pinniferze inter segmenta bina spinis 1-2 uncinato-recurvis 
apice atro basi incrassata fortissimis 2-3" longis obsita. Segmenta utrinque 25-27, subaequidistantia, 
basin versus approximata, apicem versus paulum remotiora; media 1-2" inter se distantia, opposita, 
aut alternantia, 8-9" longa, 10-12" lata, elongato-lanceolata, in apice reduplicato-contracta in cuspidem 
1-2" longam producta, chartacea, subopaca, utrinque glabra, longitudinaliter plicato-nervosa, nervo 
medio paulum prominente, utrinque nervis 6 secundariis, ad margines ciliato-spinosa, spinulis 
numerosioribus sed tenuioribus quam in specie sequente ; inferiora retroflexa, caudicem subamplec- 
tentia, ima basi valde incrassata, rigidiora, grosse spinosa, 1-2" longa, 1-3" lata; segmenta abortiva 
opposita, 8-juga, inferiora 8" inter se distantia, 11" longa basi 3!" crassa, supra basin confluentia, 
reversa, leviter sigmoidea, cornea, subulato-triquetra, faciebus binis concavis; superiora gradatim 
approximata et decrescentia. Cirrhi rhachis tenuis, 1" crassa, infra jugam ad 2-3" incrassata. Spadix 
longe pedunculatus, inter vaginas frondium conspiciens, 18-20" longus, pedunculo compresso cire. 
1’ longo basi vix 3" lato intus concavo dorso convexo superne dilatato, rhachi compressiuscula 7—9" 
longa basi }” crassa superne gradatim attenuata simpliciter disticheque ramosa ovata vel elongato- 
ovata, ramis 20-30 patentissimis 2" crassis rigidis toto floriferis, suffultis bractea transverse oblonga 
acuminata a basi rami 3" remota, inferioribus oppositis 4—5" longis,.superioribus brevioribus et alter- 
nantibus. Flores uti in specie sequente. Fructus ellipsoidei, 1" longi, circ. 9" in diametro, fere 
zquilati, 1- raro 2-spermi, 18 seriebus verticalibus squamarum loricati, squamis rhombeis in sicco 
valde bullatis sulco medio exaratis miniatis chartaceis margine inferiore lacerato linea fusca cinctis 
11-2"in diametro. Dissepimenta persistentia. Semen 9" longum, 5" latum, 3—4" crassum, a ventre 
paulum compressum, in dorso convexum, pericarpii cavitatem replens; testa brunnea, chalaza dorsali 
valde incrassata et mamillzeformi marginibus sublevibus, hilo lineari. Embryon hilo paulum super- 
ositum, in dimidia albuminis altitudine, ventrale, horizontale. 
5 و‎ 
| Hab. Near the mouth of the river Gaboon (G. Mann, no. 1043). 
Puate XLI. A. Leaflet, portion of male spadix, fruit, and seed: nat. size. 
7. CALAMUS (EREMOSPATHA) MACROCARPUS, Mann et Wendl. Segmentis utrinque cire. 8 
elongato-lanceolatis acutis marginibus grosse ciliato-spinosis; fructu seriebus ortho- 
stichis 24. (Plates XLI. B. & XLIII. B.) 
Caudex vix 1" crassus, 30-50’ longus. Frondes circ. 9! longe; vagina tubulosa circ. 1' longa, apice in 
ochream oblique truncatam 1" longam, furfure atrofusco detergibili obtecta; rhachi circ. 7-8' longa, 
basi 4—5" crassa, gradatim attenuata, apice in cirrhum elongata, dorso convexa, ventre angulata, partis 
pinniferze marginibus antrorsum retrorsumque uncinato-spinosa, parte cirrhifera inermi parti pinni- 
fer zquilonga. Segmenta utrinque circ. 23, subzequidistantia, apicem versus paulum remotiora, 
elongato-lanceolata, apice acuta, subdentata, papyracea, rigida, nervoso-striata, glabra, nitida, margini- 
bus grosse ciliato-spinosis, spinis 1-2” longis fuscis basilaribus ima incrassatis ; inferiora decrescentia, 
elongato-elliptica, retroflexa, basi valde incrassata, alternantia ; superiora opposita vel subopposita, 14” 
longa, 12-13" Jata, nervo medio paulum prominente, utrinque nervis 6 secundariis ; segmenta abor- 
tiva opposita, 7—11-juga, reversa, cornea, basi valde incrassata et fere confluentia, subulato-triquetra, 
faciebus binis concavis; inferiora 6-8" inter se distantia, 12-15" longa, basi 2" crassa; superiora 
minora gradatim approximata. Spadix 14-2! longus, glaber, simpliciter alternatim distiche paienn 
sine spathis ; pedunculo 6-8" longo, fere 6" crasso, intus concavo, dorso convexo, ramis 4-5 longis 
1" crassis sursum decrescentibus, bractea semiamplexicauli marcescente ovate acuminata 3" longa 
fere pollicem infra basin ramorum posita. Flores geminati, alternatim distichi, sessiles, 5" longi. 
Perianthium exterius monophyllum, campanulato-cyathiforme, 2" altum, tridentatum, gy GES Sled 
rigidum, lave, obsolete striatum; interius exteriore fere triplo longius, monophyllum, valde inflatum, 
