Eriocaulon. | CLIV. ERIOCAULE& (BROWN). 241 
unequal, 3-1 lin. long, oblanceolate, acute, boat-shaped, slightly keeled, 
membranous, blackish, with a few minute white hairs on the upper 
part. Petals 3, arising close to the sepals, about 1 lin. long, narrowly 
linear, tapering towards the base, membranous, ciliate at the obtuse 
apex with a few very short hairs, without glands on the face, fuscous. 
Male flowers shortly pedicellate. Sepals 3, free or variously connate 
below, 3 lin. long, ;',—4 lin. broad, linear, obtuse or irregularly denticu- 
late at the apex, glabrous or with a few minute white hairs, fuscous. 
Stipes between the sepals and petals about } lin. long. Petals minute 
or rudimentary. Anthers black. Seeds light brown, striolate. 
Lower Guinea. Angola: Huilla, 3800-5500 ft. ; in stagnant places near the 
banks of the River Mupanda, Welwitsch, 2456! in the mud of slowly flowing 
streams between Humpata and Lopollo, and between Lopollo and Nene, Welwitsch, 
2457 ! 
Allied to 2. bifistulosum, Van Heurck, but differing in having acute sepals to the 
female flowers, with a few minute white hairs on the keel. The name of this species 
antedates by 7 months the EH. submersum, Tate, of South Australia. 
8. E. Mannii, V. #. Br. Stem or rhizome elongating, rooting, 
3-3 lin. thick. Leaves not very numerous, in a lax rosette, erect or 
ascending, 1-21 in. long, }—} lin. broad, linear, subacnte, 4—6-nerved, 
glabrous. Peduncles 1-3 to a plant, 24-6 in. long, 6-ribbed, slender, 
glabrous, their sheaths ?-11 in. long, subacute, glabrous. Heads 
2-2} lin. in diam., globose, moneecious, whitish-brown. Involucral- 
bracts 7-1 lin. long, 3-2 lin. broad, oblong, obtuse, glabrous, very 
slightly ciliate, submembranous, light ochreous-brown. Flowering- 
bracts } lin. long, } lin. broad, cuneate-oblong, obtuse or somewhat 
acute, rather membranous, slightly ciliate and very slightly pubescent 
on the back, very light ochreous. Receptacle glabrous. Female flowers 
in a few exterior series, shortly pedicellate. Sepals 3, equal, 2 lin. long, 
4 lin. broad, oblong, obtuse and often denticulate at the apex, very 
membranous, white, glabrous. Petals 3, equal, ? lin. long, } lin. broad, 
cuneately linear-oblong, obtuse, very hairy on the inner face, ciliate, 
white, with a black gland near the apex. Male flowers very numerous, 
central, pedicellate. Sepals free, } lin. Jong, } lin. broad, cuneate- 
oblong, obtuse, membranous, slightly ciliate and sometimes toothed at 
the apex. Stipes between the sepals and petals }-} lin. long. Petals 
unequal, white, densely bearded on the apical half of the inner side, 
with a black gland slightly above the middle, the largest } lin. long, 
¢ lin. broad, cuneate-obovate, obtuse. Anthers black, Seeds } lin. 
long, ely ellipsoid, very obtuse at the ends, yellowish-brown, nearly 
smooth. 
Lower Guinea. (Gaboon: Sierra del Crystal, Uann, 1689 ! 
9. E. stoloniferum, Welw. ex Rendle in Cat. Afr. Pi. Welw. ii. 101. 
A stemless, stoloniferous perennial, entirely submerged, with the flower- 
heads just emerging when mature. Leaves 5-9 in. long, 3-1} lin. broad, 
linear, tapering toa fine point, very bright shining green. Peduncles 
Solitary or few, 8-16 in. long, } lin. thick, 7-8-ribbed, their sheaths 
VOL. VIII, R 
