CYPERACEZ IN THE WELWITSCH HERBARIUM. 161 
Е. CINERASCENS, Во). 
Huilla, in pratis humidis sylvaticis ad Catumba, ad finem Martii 1860. Tota planta 
quasi carnosula et rigida. 
Occurs also at Zanzibar. 
Ғ. PACHYRRHIZA, п. sp.; rhizomate repente valido, radicibus crassis; culmis erectis 
validis triquetris 1}—2-pedalibus foliatis; foliis late linearibus acuminatis longis, 
carinatis, minute pubescentibus; vaginis ampliatis striatis pubescentibus triquetris, 
ligula cylindrica integra brunnea; umbellis 3-4 terminalibus et lateralibus; spiculis 
magnis oblongis lanceolatis; squamis ovatis lanceolatis obtusis hispidis trinerviis, 
mucrone longe recurvo, czeruleo-cinereis, demum rufescentibus ; staminodiis nullis ; 
stylo longo gracili tenui plumoso rufo; caryopsi parva ovata, triquetra, utrinque 
angustata, apice tuberculata, atra nitida tricostata, quam squama duplo breviore ; 
tuberculo magno albo triquetro. 
Pungo Andongo, in uliginosis sylvaticis inter Caghuy et flumen Cuanza, cum Zsoetis, 
April. 1857, no. 7118; prope Muta Lucala, no. 7117. 
The culms of this plant are from 1} to 2 feet in height; the leaves often 6 inches 
in length, by 1 to $ inch broad; spikelets $ inch in length; glumes 2% lines long; 
caryopsis one third of the glume in length. The shape of the nut is remarkable, dilated 
at the middle and narrowed towards either end. The base of the style is developed into 
a blunt triquetrous process, white in the ripe fruit, the rest of which is black and shining. 
Е. WELWITSCHII, n.sp.; rhizomate longo repente tenui lignoso brunneo, radicibus paucis 
crassis ; culmis remotis strictis triquetris foliatis ; foliis paucis anguste linearibus 
acutis carinatis strictis cancellatis, marginibus carinaque pauci-ciliatis, vaginis 
ampliatis triquetris striatis, ligula brevi pubescente oblique truncata brunnea; 
spiculis 3-12 laxe aggregatis, lanceolatis; squamis ovatis, mucrone longo recurvo, 
trinerviis cinereis valde pilosis; staminodiis nullis; stylo gracili longo, trifido ; 
caryopsi ovata utrinque angustata, tricostata, basi styli conica subacuta. 
Pungo Andongo, in paludosis prope Quibanga, Jan. 1857, no. 7108. 
Ниша, in pascuis humidiusculis prope Lopollo, frequens, Dec. 1859—Jan. 1860, по. 7114; 
in declivibus graminosis ad Morro de Monino, fin. Apr. 1860, no. 7109; in collinis arenosis 
siccioribus prope Eme, ad finem Feb. 1860, no. 7115. 
This plant varies very much in size and form. In damp wooded spots it is tall and 
much drawn up, attaining a height of 14 foot, with leaves 6 inches in length and 15 line in 
breadth, and larger flower-spikes. In dryer sandy spots (no. 7115) it is short and stunted, 
with the culms only about'6 inches high, and the leaves shortened in proportion to 1 inch. 
НЕМІСАЕРНА IsoLEPIS, Kunth, Enum. ii. 268. 
Pungo Andongo, Sansamande April. 1867, no. 6814; in paludosis cum Neottia, Lombe, 
no. 6815; in pratis sylvaticis inter Quisonde, no. 6818. 
SECOND SERIES.—BOTANY, VOL. II. 2с 
