430 MESSRS. MANN AND WENDLAND ON THE 
linea brunnea pictis. Semen 4-5" longum, compressiusculum, oblongo-ellipsoideum, rugulosum, 
basi affixum, chalaza incrassata dorsali. Albumen corneum. Embryon basilare, erectum, juxta 
hilum. 
Hab. Collected at two places: on the Bagroo River, under no. 895 ; and on the Cameroons River, under 
no. 2147. 
It is very interesting to meet with a true Calamus so far westwards, going astray from 
its relations, in the regions explored by Mr. Mann. As far as is yet known, no connexion 
exists in the geographical extension of this subgenus; for we are not aware of any 
species which grows between the west coast of Africa and India, as Calamus secundi- 
florus, P. de B., does not belong to the subgenus Calamus, but is the representative of a 
new subgenus, as our examinations have shown. A second species seems to grow in 
Senegambia, where it was discovered by M. Heudelot, but his specimens in the Kew 
Herbarium are not sufficient to allow of their being described. 
Puate XLI. F. Leaflet, portion of fruiting spadix, seed, and the same cut open vertically. 
(Subgenus 2. LAccosPERMA, Mann et Wendl. (Aákkoc, a hole; ewépua, seed).) 
HERMAPHRODITA. Spadir terminalis, spathis incompletis vaginatus, alternatim disticheque ramosus, 
ramis spathellulis vestiti. Flores geminati, alternatim distichi. 
Perianthium- exterius campanulatum, trifidum, basi subcallosum ; interius tripartitum, exteriore duplo 
longius. Stamina 6; filamentis ima basi perianthii int. adnatis, linguzeformibus, crassis; antheris 
elongatis, sagittatis, dorso affixis. Germen triloculare, stylo longissime columnari-subulato, stig- 
matibus 3 brevibus, ovulo paulum supra extremitatem inferiorem et paulum supra fundum carpelli 
affixo, deinde peltato. Fructus baccatus, monospermus, subglobosus. Semen peltatum, subglobosum ; 
hilo lineari, raphe lineari per canalem basilarem ad foveam dorsalem magnam adscendente, chalaza 
magna mamilleformi. Albumen lacunosum. Embryon ventrale, horizontale, in dimidia albuminis 
altitudine. 
Palmæ Calamis veris similes ; caudicibus elongatis, remote frondiferis, inermibus. Frondes pinnatisectze, 
vaginis spiniferis longissime ochreatis, petiolatze, in marginibus petioli rhacheosque retrorso-spinoss, 
rhachi apice in cirrhum longum filiformem producta, segmentis abortivis in hamos seu uncos inferne 
alternantes superne oppositos reversos mutatis. Segmenta lato-lanceolata vel elliptico-lanceolata, fal- 
cata, reduplicata, subaggregata. Spadices terminales abbreviati, duplicato-ramosi, spathis incompletis 
vestiti, spathellis abbreviatis infra ramos et bracteis infra flores instructi, ramis alternatim distichis 
secundis. Flores geminati, alternatim distichi, flavescentes. Fructus aurantiaci. 
2. CALAMUS (LaccosPERMA) LAEVIS, Mann et Wendl. Segmentis utrinque 9-13 sub- 
uniformibus lanceolato-ellipticis margine inermibus bi- raro uninerviis nitidis. 
(Plate XXXVIII. B.) 
Caudex scandens, tenuis, 30—40! longus, digitum crassus, sobolifer, annulatus, internodiis 3-1! longis, raro 
dichotomo-partitus, inermis. Frondes 4-5! longæ, tomento atrobrunneo detergibili obtectze, glance” 
ek Vagina circ. 1' longa, tubulosa, arcte caudicem amplectens, apicem versus spinis solitariis 
horizontaliter patentibus conoideo-subulatis circ. 3" longis obtecta, apice in ochream circ. 1! longam 
unilateraliter rumpentem producta, spinis sparsis solitariis fortissimis compresso-subulatis erecto- 
patentibus basi flavescentibus apice nigris vestita. Petiolus 8-9" longus, 3!" latus, supra applanatus, 
pm convexus, ad margines remote spinosus, spinis conoideis reduncis basi incrassatis et faver 
 eentibus apice nigro 3" longis et 3-19" inter se distantibus obsitus. Rhachis in parte foliosa 18-20" 
-o 
