PALMS OF WESTERN TROPICAL AFRICA. 4927 
subbasilari, fere pollicem longus, 4-5" crassus. Semen erectum, elongato-ellipsoideum, paulum obli- 
quum, 9" longum, 2" crassum. 
Hab. Collected by C. Barter, whose name we have given to this graceful plant, and by G. Mann (no. 452), 
in swampy places at the mouth of the rivers Nun, Brass, and Gaboon, where it flowers from June to 
August. 
Puare XXXVIII. A. View of the plant, showing its habit. 
Puate XL. B. fig. 1. Spadix in fruit (natural size) ; fig. 2. Female fl.; fig. 3. Male fl. (both magnified) ; 
Bg. 4. Seed (nat. size). 
PraTE XLIII. A. fig. 1. Male fl. ; fig. 2. do. outer perianth removed ; fig. 3. do. laid open ; fig. 4. Stamens ; 
fig. 5. Female fl.; fig. 6. Outer perianth leaflet; fig. 7. Inner do. laid open ; fig. 8. Vertical section 
of pistil; fig. 9. do. of seed: all but fig. 9 magnified, 
Genus 2. ScLEROSPERMA, Mann et Wendl. 
Monotca. Spadix brevis, simplex. Spathe 2, persistentes, interior subcompleta. Flores utriusque sexus 
in eodem spadice conferti, basi masculi ad singulorum foemineorum latera, apicem versus solum 
masculi. 
Masc. Perianthium exterius triphyllum, interius tripartitum foliatione valvata. Stamina plurima; fila- 
mentis brevissimis; antheris linearibus, extrorsis, basi affixis, à; 
Fam. Perianthium exterius tripartitum aut triphyllum ; interius triphyllum, phyllis interioris basi convo- 
lutis, apicem versus valvatis. Staminodia 6-9, minima. Germen unicarpellare; ovulo pendulo ; 
stigmate obliquo maximo. Fructus drupaceus, magnus, oblique depressus, stigmatum cicatrice 
laterali; epicarpio tenui; mesocarpio fibroso; endocarpio tenui lapideo. Semen depresso-globosum, 
cireumclusum vasorum fasciculis ex hilo lineari ortis, radiatim divergentibus, ramosis, versus embryo- 
tegam laxe anastomosantibus. Albumen magnum, durissimum, equabile, lacteum. Embryon dorsali- 
verticale, hilo suboppositum. 
SCLEROSPERMA Maxwir Wendl. (Plates XXXVIII. C. & XL. A.) 
Palma humilis, cxspitosa, socialis. Caudex perbrevis. Frondes 10-13 pedes longe, furfure rufo-griseo 
detergibili partialiter obtectze, rigidæ ; vaginis margine reticulato-fissis 12-18" longis ; petiolis digitum 
crassis 7—8' longis, teretiusculis, rigidis, fulvis; lamina oblongo-elliptica, apice bifida, 4—5' longa, 2' lata, 
utrinque 50—60-nervia, irregulariter pinnatisecta ; rhachi circ. 4' longa, supra acutangula, dorso convexa. 
Segmenta utrinque 9-12 opposita vel subopposita, 1-2” inter se distantia, coriacea, supra glauces- 
centi-viridia, lævia, nitidula, subtus albicantia squamulis fuscis detergibilibus tecta, reduplicata, ima 
basi paulum contracta, 3-5- raro 7-nervia, apice oblique truncata, grosse crenato-dentata et minute 
acuteque dentata, 2-1}! longa, 2-3" lata ; nervis primariis fere 9" inter se distantibus, subtus prominen- 
tibus, in marginis anterioris sinu in mucronem acutum procurrentibus, inter 2 nervos primarios nervo 
commissurali subtus prominente et in dentis apice excurrente, inter nervos primarios et Commnastrales 
circ. 30 nervis tertiariis quorum fere medio fortiore et utrinque paulum ودج اعيبر جد‎ in- 
:equalia, late confluentia, 12—17-nervia, margine exteriore abrupte truncato crenato, 4-7 lata, margine 
interiore 7" longo. Spadices simplices, breves, primum circ. 8" longi, deinde paulum elongati, laterales 
inter frondium bases reconditi erecti; spathis 2 basilaribus persistentibus apice apertis fuspis eun; 
exteriore 5—6" longa, basi coriacea compressa, apice irregulariter fisso-laciniata ; interiore circ. 8 longa, 
ellipsoidea vel elongato-ellipsoidea, apicem versus reticulatim disrumpente ; pedanculo crassitudine 
digiti minoris, 4" longo, fusco-tomentoso, rhachi circ. 4" longa, inclusa, simplici, subcylindrica, apice 
attenuata. Flores spiraliter dispositi, in parte inferiore ternati, duo masculi ad latera foeminei, bractea 
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