Damasonium.] CXXXIX, ALISMACER. 187 
from about the middle, with verticillate branches either all 1-flowered 
and j to 1 in. long, or some of them elongated bearing an umbel of 5 
Fragm. viii. 215 3 Actinocarpus minor, R. Br. Prod. 343 ; Alisma minus, 
Spreng. Syst. ii, 163. 
į Queensland, Herbert's Créek, Bowman ; Armidale, Parrott ; North Queensland, 
LM 
N. S. Wales. Cow-pastures, Port Jackson, R. Brown. 
Victoria. Yarra, Murray, and Avoca Rivers, F, Mueller. 
w. Australia, Drummond, n. 99. 
3. BUTOMOPSIS, Kunth. 
(Teenagocharis, Hochst.) 
nn lowers hermaphrodite. Perianth of 6 segments, 3 outer ones 
hinly membranous, reticulate, 3 inner rather larger, petal-like but 
oad thin and transparent, fugacious. Stamens 8 or 9. Ovules 
e 
ie gr Embryo horse-shoe shaped.—Semi-aquatic or marsh plant, 
Lih radical leaves on long petioles. Flowers on long pedicels, in a 
Simple terminal umbel. 
hag ne genus is limited to a single species spread over tropical Asia and Africa. It 
Bodas. rpermous carpels of Butomus, with the embryo of Alisma. Kunth’s and 
rs ni s 
"ER y à much more accurate character with a reference to known species 
distinct im by Hochstetter. The whole genus is however perhaps not sufficiently 
m the American Limnocharis, 
bp age lanceolata, Kunth, Enum. iii, 165.—Leaves oblong-lanceolate 
inc optical, acute or obtuse, usually attaining the length of the scape 
Which a> their long petiole. Scape 4 to 8 in. high under the umbel, 
fruit Consists of from 3 to above 20 pedicels 1} to 4 in. long when in 
met, rounded by a few thin scarious bracts. Outer perianth-seg- 
its ovate 
Lagoons on Gilbert River, Armit. 
