10 CXXXI. HYDROCHARIDEH (WRIGHT). [ Thalassia. 
C. 95. Schizotheca Hemprichii, Solms Laub. in Schweinf. Beitr. 
Æthiop. 194 and 246. 
Nile Land. Suakin, Schweinfurth, 196! Arakea, near Suakin, Schweinfurth, 
186! Massowa, Ehrenberg ! 
Shores of Tropical Asia. 
8. HALOPHILA, Du Petit Thouars; Benth. et Hook, f. iii. 455. 
Male flower solitary, pedicellate. Perianth 1-seriate, 3-merous. 
Anthers 8, subsessile, oblong-linear, alternate with the perianth- 
segments, extrorse. Rudiment of ovary none. Female flower sessile 
in the spathe. Perianth-segments 3, minute. Ovary with a long beak, 
1-celled ; styles 3, simple, filiform, minutely papillose ` ovules 2-seriate 
on 3 parietal placentas. Fruit sub-globose, included in the spathe, 
beak exserted. Seeds many, subglobose, with a membranous testa.— 
Submerged, marine herbs. Rhizome creeping, rooting at the nodes. 
Leaves oval or linear, surrounded by scales at the base. Spathes small, 
solitary and sessile amongst the leaves. 
A genus of about 6 species extending from Florida and the South Pacific to Malaya 
and Australia. 
Leaves ovate S S i S S i e ; : 1 A. ovata. 
Leaves linear 2. H. stipulacea. 
1. H. ovata, Gaud. in Freycin. Voy. Bot. 430, t. 40, fig. 1. A 
small marine herb growing just above low-water mark. Rhizome 
creeping. Leaves 2 from each node, ovate, entire, 1 in. long, 4—5 lin. 
wide ; petiole 2-1 in. long, with several sheathing scales at the base.— 
Halophila ovalis, Hook. f. Flor. Tasm. ii. 45; Ascherson in Nuovo 
Giorn. Bot. Ital. iii. 301; Balf. f. in Trans. Bot. Soc. Edin. xiii, 290; 
Engl. P. Ost-Afr. C. 94. Caulinia ovalis, R. Br. Prod. 339. 
Nile Land. Suakin, Schweinfurth, 199! 
Mozamb. Dist. Island of Zanzibar (ex Engler). 
Tropical Asia, Australia, and Pacific Islands. 
2. H. stipulacea, Aschers. in Sitzungsber. Ges. Naturf. Fr. Berlin, 
1867, 3. Marine herb with creeping rhizome growing below low-water 
mark, Leaves two from each node, linear, 2 in. long, 3 lin. wide; 
petiole 3 lin. long. Scales 2 from each node, one sheathing the inter- 
node, the other the bases of the leaves, membranous, white, obtuse, 
6 lin. long.—Balf. f. in Trans. Bot. Soc. Edin. xiii. 290; Engl. Pü. 
Ost-Afr. C. 94. Zostera stipulacea, Forsk. Flor. Aigypt. Arab. 158. 
Nile Land. Suakin, Pullen! 
Mozamb. Dist. German East Africa: Coast region near Lamu (ex Engler). 
Oppen CXXXII. BURMANNIACEH. (By C. H. Wright.) 
Flowers regular, hermaphrodite. Perianth superior, corolline, with 
a longer or shorter (sometimes winged) tube; lobes 6 or 3, the outer 
larger. Stamens 3, affixed to the perianth-tube. Ovary inferior 1- or 
3-celled; style filiform; stigma capitate. Ovules very many. Fruit 
