158 MR. H. N. RIDLEY ON THE WEST-AFRICAN 
S. coRYMBosUs, Heyne and Roth. Nov. pl. spec. 28. 
Cazengo ad et in rivulis montanis prope Palmira, postea in Varzea d'Isidoro prope 
Sange, по. 7015 0, 7015 (6 to 10 feet in height). 
Huilla, ad ripas lacus Ivantala cum Polygonis et Commelynis natantibus, Feb. 1860. 
Ambaca, ad stagna juxta ripam dextram fluminis Lucala, Oct. 17, 1856. 
Var. В місвовтаснүт/в, Boeckeler. S. brachyceras, Hochst. in Schimp. Abyss. no. 288. 
Pungo Andongo, ad paludes inter Condo et Quisonde non procul a flumine Cuanza, 
Maio 1857, no. 6849. 
Ниша, in paludosis juxta rivum Catumba, versus Hay, frequens, socialis cum Typha 
angustifolia, et in vicinitate Otteliarwn, Maio 1860, по. 6977. 
Principally used in the manufacture of matting. The var. а occurs also in India, var. 3 
also in Abyssinia and Madagascar. 
Dr. Boeckeler, Cyp. Berl. Herb. p. 474, describes the nut of this plant as ** applanato- 
granulata stramineo-fuscescente." In all the specimens I have seen it is marked with 
short transverse ridges, and the mature nut is black and shiny ; the “ squamule" are 
also frequently setiform and not flattened. | 
S. SUBULATUS, Vahl, Enum. ii. 268. 
Mossamedes, in stagnis profundis subsalsis et dulcibus prope Aguadas, no. 6973. 
Pungo Andongo, in pratis paludosis ad flumen Cuanza, prope Umbilla; ad salinas ad 
Dungo, prope Quitage, Mart. 1857, no. 6847. 
Culmi 8-9-pedales et immo altiores, glaucissimi, digiti maximi crassitudine. 
This plant occurs also in India and the Cape. 
S. MARITIMUS, L. Cod. 65. 
Congo, in dumetis prope Quizembo, longe ab oceano et immo a flumine Quizembo 
remotus cum Kyllingiis et Convolvulo soldanoide, no. 6992; Lagoa de Quizembo, no. 
1003. 
Var. MACROSTACHYUS. | 
Icolo е Bengo, frequens ad Lagoa da Funda, no. 6980. Mossamedes, in uliginosis non 
procul ab Oceano Atlantico prope Giraül, Julio 1859, по. 6974. 
Var. AMENTIFERUS. Validus; culmo robusto; foliis longissimis latis; ramis panicule 
longis recurvis; spiculis valde elongatis cylindricis pallide brunneis. 
Bengo, in paludosis inundatis ad sinistram ripam fluminis Bengo, prope Funda, nec 
alibi a me visus, Sept. 1854. | 
A very robust plant, with а stout stem, broad leaves, nearly half an inch across, and 
long pale spikelets 2 inches in length and 14 line in diameter, having more the appear- 
ance of catkins than spikelets. 
Var. TERRESTRIS ; rhizomate lignoso-tuberoso : radicibus crassis ; foliis viridibus flaccidis; 
spiculis aggregatis ovatis; squamis brunneis ; carina et mucrone pallide lutescentibus. 
