Cymbopogon] XXVIII. GRAMINEA, 159 
near edges of woods in Sobato de Mussengue ; fl. Nov. 1855, 1 to 6 ft. 
high. By thickets near the Ambaca road ; 21 Nov. 1855. No. 7190. 
Culm 9 ft. high, very hard ; when growing solitary becomes de- 
cumbent and roots at all the lower nodes, and so a single plant 
forms in a few months a very dense little wood. In reedy places 
near Undele and Candombo, forming the so-called Capineta; be- 
ginning of June 1855. No. 2955. 5 to 8 ft. and higher, leaves 
usually reddish, culm very hard. Plentiful in Capineta near Sange, 
Bango ; June 1855. No. 2956. 5 to 8 ft., with nodding culms bear- 
ing long very dense hairy rings at the nodes. Grows sparsely by the 
cataracts of the Cuango ; beginning of Aug. 1855. No. 3000. By 
margins of thickets near the base of the Queta Mts,, to the left of 
the Cuango ; end of June 1855. No. 7248. 
Var. minor. Apparently a smaller less robust growing plant, 
reaching about 3 ft. in height, nodes glabrous; ultimate spathes 
of inflorescence purplish, 2 in. long, the racemes of each pair 
often of equal strength, having two § flowers; awns strong 
3 in. long. 
Punco ANnponco.—Plentiful in the lofty mountain of Pedra de 
Cabondo in the presidium; middle of April 1857. No. 2820. In 
rich woody places between Pungo Andongo and Catete ; May 1857. 
No. 7420. 
10. C. Humboldtii Spr., ic, p. 15. ; 
Andropogon bracteatus Willd. Sp. Pl. iv. p. 914 (1805); Hack., 
Z.c., p. 643. 
Punco ANDONGO.—Candumba ; Jan. 1857. No. 2758, Attacked 
by the same fungus as are the specimens from Huilla. 
Huitia.—In grassy wooded places near Lake Ivantala; end of 
Feb. 1860. No. 7513. Sheaths of upper leaves barbato-pilose. In 
wooded meadows at Monino; April 1860 No. 7514. Very plentiful 
in rather damp meadows between Monino and Lake Ivantala ; end of 
March 1860. No. 7512. In rather damp meadows of tall grass be- 
tween Lopollo and Monino ; Feb. 1860. No. 2657. 
In the last two numbers the spikelets have become deformed by 
smut, which Miss Smith has determined as Ustilago Cesatii Fisch. de 
Waldh., a species which like its host-plant is hitherto unrecorded for 
the Old World. : 
11. C. andongensis Rendle sp. nov. 
Perennial by a creeping woody much-branched rhizome, 
rufescent; culms ascending, much-branched, nodes glabrous, 
sheaths loose, exceeding the internodes, glabrous or subglabrous 
below hairy above, hairs long, soft, with tuberculate base, ligule 
subscarious, reddish, truncate, lamina narrow-linear tapering to 
the base and aristiform apex, midrib prominent, upper face 
scabridulous sometimes sparsely pilose, lower face minutely 
scabridulous; inflorescence laxly branched, linear or oval in 
outline; raceme pairs generally shorter than, rarely exceeding 
the lanceolate acuminate spathe ; common peduncle and pedicels 
subglabrous, one raceme subsessile, the other shortly stalked, the 
former with a basal homogamous pair, each with 2 or 3 pairs of 
heterogamous spikelets; a short blunt liguliform process below 
