152 MR. Н. М. RIDLEY ON THE WEST-AFRICAN 
Е. ВАЕВАТА, Isolepis barbata, R. Вт. Prod. 78. 
Loanda, sparsius in arenosis maritimis ad Praia de Zamba grande et Maianga ФЕ] 
Rei, Feb. 13, 1850, no. 7000. 
Mossamedes, Cabo Negro, ad ripas fluminis, nunc fere exsiccati, Caroca, non adeo 
frequens, Sept. 1859. 
Var. SUBTRISTACHYA.  Zsolepis subtristachya, Hochst. in Schimp. Pl. Abyss. по. 2166. 
Loanda, frequens in sabulosis insule Casanga vel Cacanga, ad austrum, nec in ullo 
alio loco totius Angolæ antea vel postea а me visa, по. 6982. 
Common also in the hotter parts of Asia and Australia. The North-American Scirpus 
stenophyllus, Ell., referred to this species as a variety by Boeckeler, seems to be distinct. 
Е. QUATERNELLA, n. sp. Cæspitosa pedalis, radicibus fibrosis tenuibus; culmis strictis 
gracilibus triquetris canaliculatis glabris; foliis setaceis glabris, dorso cancellatis, 
culmo multo brevioribus, vaginis ore longe albo-ciliatis, marginibus brunneis mem- 
branaceis ; involucralibus 2, brevissimis, spiculam infimam subzequantibus, longe 
ciliatis ; umbella vix patente simplici, radiis 4 raro 6, subeequalibus erectis semiunci- 
alibus glabris ; spiculis lanceolatis trilinealibus 4-6 pedunculatis, una sessili, inter 
radiorum bases; squamis lanceolatis oblongis carinatis hispidis, marginibus ciliatis, 
fusco-sanguineis, carina pallidiore, inferioribus mucronulatis, mucrone recurvo ; stylo 
tenui trifido parum exserto rufo; caryopsi minuta obovata cordata triquetra, 
transversim rugosa alba; tuberculo parvo rufo; staminibus tribus. 
Pungo Andongo, Pedras de Guinga, Mart. 1857, no. 68304, no. 6827; іп sylvaticis 
apricis inter Condo et Quisonde, no. 6820; Pedra Cambondo, no. 6821; Muta Lucala. 
The affinity of this plant is with F. hispidula, Kunth. It is distinguished by the erect 
equal rays of the umbel, lanceolate glumes, and small ovate-cordate nut, not 4 of the 
glume in length. 
Е. nisPrDULA, Kunth, 1. с. 227. Е. pubiculmis, Hochst. іп Schimp. Pl. Abyss. 
Loanda, in arenosis tempore pluvio inundatis, prope Imbondeiro dos Lobos, Mart. 1854, 
no. 6985; frequens in sabulosis maritimis in silva Casanga, ad austrum Loande, site 
infra Barra de Carimba, Apr. 30, 1854, no. 6983: in sabulosis prope Cacuaco, Apr. 
1854, no. 6985 ; in pascuis arenosis pluviis seepius inundatis prope Maianga de Povo, 
no. 6998 b, prope Penedo in arenosis, 6998 c. 
Pungo Andongo, in dumetosis arenosis inter Preesidium et flumen Cuanza, no. 6822; 
ad paludes in arenosis inter Preesidium et Quilanga, no. 6831, paro cum Polygala micro- 
dendron, in pratis de Catete, no. 6823. 
Huilla, ezespites sporadicee, in pascuis sylvaticis de Monino, April. 1856, no. 6956, in 
pascuis arenosis locis zestate inundatis, Catumba et Нау, по. 6953. 
Var. MINOR, Boeckeler, F. oligostachya, Hochst. 
Pungo Andongo, in paludosis spongiosis versus austrum Preesidii, no. 6827 b; Catete, 
6823; prope Forte de Penedo, ast rarius, Dec. 1857, no. 6998. 
Huilla, inter ceespites AXyridearum,in pascuis editioribus ad Morro de Lopollo, по. 6946. 
This species oceurs abundantly all over Africa from Nubia and Bornu to the Cape, 
