182 MR. Н. N. RIDLEY ON THE WEST-AFRICAN 
С. COMPRESSUS, L. Sp. Pl. p. 68. 
Sierra Leone, in udis sylvaticis ad basin montium “ Sugar-loaf Mountains,” Sept. 1853, 
no. 7057. 
Mossamedes, in humidiusculis ad horta da Nacao, Aug. 1859, no. 6884. 
Loanda, in herbidis macris humidis Museque de Quicuxe, Maio 1854, et Cabo Lombo, 
sparsim, Aprili 1854, no. 7021; in paludum margine prope Museque de Luiz Gomes, et 
in humidis ad margines paludum limosorum prope Cabo Lombo, no. 7045; ad stagna 
subexsiccata in limosis juxta viam versus Calumba prope Cumano, ad fin. Julii 1860, no. 
7026; in arenosis maritimis insule Cazangze, no. 70240, pro parte. 
A common tropical plant. 
C. DICHROMEN2ZFORMIS, Kunth, Enum. ii. 26. 
Pungo Andongo, frequens in subhumidis sylvaticis ad ripas fluminis Cuanza inter 
Candumba et Lombe neenon ad flumen Cuije, Martio 1857, no. 6901; ad fontes in rupibus 
editioribus Preesidii, locis umbrosissimis necnon in ipsis cavernis ad finem Novembris 
1856, no. 6902. 
Golungo Alto, in humidis montium de Queta ad finem Decembris 1856, et rarius 
ad paludum margines et in spongiosis umbrosis montium editiorum de Queta, cum 
floribus et fructibus Decembri medio 1855, et in decliviis montosis non procul a flumine 
Luinha, no. 7093; no locality, 7149. 
* Folia intense viridia laxiuscula, siccata aroma Anthoxanthi odorati fragrantia; 
* Nsambe ' indigenarum (Golungo Alto).” 
All the specimens are of the large form, the variety major of Boeckeler, which was 
originally described from Monbuttu. The plant occurs also in Brazil. 
C. oBTUSIFLORUS, Vahl, Enum. ii. 308. 
Golungo Alto, in pascuis dumetosis Sobati de Bumbo, at non frequens, Oct. 1855. 
Hodie frequentissimus, Dec. 1855. “ Capitula albida in viridem vergentia. Herba 
rigida, rhizomate horizontali tuberculoso, tuberculis moniliformiter ordinatis, culmo 
trigono, foliis semicylindricis rigidis pungentibus. Prima stirps que mox post incendia 
vix peracta e cineribus camporum deustorum leto virore emergit." 
Ниша, in pascuis dumetosis incendiis vexatis prope Nene, Febr. et Apr. 1860, no. 6906; 
in collinis breviter dumetosis juxta rivulum de Catumba ad finem Martii 1860, no. 6905. 
* Var. 6. FLAVISSIMUS, Boeckeler. C. spherocephalus, Vahl, 1. с. 310. 
Ниша, in pascuis breviter dumetosis siccioribus prope Lopoilo, rarior, init. Aprilis et 
Maii 1860, no. 6876. 
Var. Stylo bifido. 
Huilla, in eollinis siecioribus ad lacum Ivantala, at parcissime florens ad finem 
Febr. 1860, 6838. 
This plant differs only from typical C. obtusiflorus in having a two-cleft style. There 
are a few other recorded instances of this modification among Cyperi, e.g. C. Barieri, 
