64 
XXVI. DROSERACEAU 
[. Drosera . 
5. D. binata, Labill. ; — FI. N. Z. i. 20. Stemless. Leaves on slender 
petioles 2-4 in. long ; blade divided into two linear, strap-shaped, simple or 
2-fid, divaricating lobes 2-4 in. long, covered with glandular hairs. Scapes 
8-12 in. high, very slender, glabrous, bearing a branched, 6-8-flowered cyme. 
Flowers white, in. diam., on slender pedicels. Petals membranous, ob- 
cordate, twice as long as the glabrous or ciliate sepals. Styles 3, penicillate. 
— Bot. Mag. t. 3082 ; D. intermedia, A. Gunn. ; D. Cunninghamii, Walpers. 
Common in clay bogs, etc., throughout the islands, Banks and Solander, etc. Abundant 
in Tasmania and Australia. A very handsome plant. 
6. D. auriculata, Backhouse ; — FI. N. Z. i. 21. Stem erect, simple or 
sparingly branched, 6-18 in. high, flexuose, glabrous, leafy, arising from a 
small coated tuber. Leaves peltate, lowest rosulate, orbicular, £ in. diam., on 
short flattened petioles ; upper alternate, rather larger, lunate, on filiform pe- 
tioles -j-1 in. long ; all copiously studded towards the margin with very 
long glandular hairs. Flowers 3 -8, on slender pedicels, white or lilac, | 
in. diam. Sepals oblong, obtuse, often jagged. Petals three times longer than 
the sepals, obovate or obcordate. Styles 3, penicillate below the middle. 
Northern and Middle Islands : not uncommon, often climbing by its glandular leaves 
amongst grass. Banks and Solander, etc. A common Australian and Tasmanian plaut ; 
also found in Norfolk Island. 
Order XXVII. HALORAGrEiE. 
Herbaceous, terrestrial or aquatic plants. Leaves opposite alternate or 
whorled, exstipulate. Flowers small, often very inconspicuous, variously 
arranged, hermaphrodite or unisexual, usually regular. — Calyx-tube adnate 
with the ovary ; limb 0 or 2-4-lobed or -toothed. Stamens 2-4 (rarely 
1), epigynous. Ovary inferior, usually 4- (rarely 1-) celled, with 2-4 (rarely 
1) short conical styles, or as many sessile, plumose or papillose stigmas, or 
with 1-4 long subulate stigmatiferous styles ; ovules solitary, pendulous in 
each cell. Fruit small, indehiscent, 4-celled and -seeded, or breaking up into 
2-4 carpels, or a 1-celled small drupe. Seeds pendulous; testa membra- 
nous ; albumen fleshy ; embryo minute, ovoid, or long and terete. 
A small Order of dissimilar plants, scattered over the world. The genus Callitriche, in- 
cluded here, is a very doubtful member. Balanoplwrea;, an Order closely allied to Haloragcce, 
will he fouud amongst Incomplete. 
Terrestrial. Calyx-lobes 4, evident. Fruit 4-8-gonous .... 1. IIaloragis. 
Aquatic. Calyx-lobes 0 or inconspicuous. Fruit 4-lobed. Stigmas 
4, very short 2. Myriophyllun. 
Marsh. Calyx-lobes 2 or 3. Petals 2 or 0. Fruit drupaceous, 1 -celled 3. Gunnkra. 
Marsh and aquatic. Calyx-lobes 0. Fruit 4-lobed. Styles 2, very 
long 4. Callitriche. 
1. HALORAGIS, Forst. 
Erect procumbent or creeping, herbaceous plants. Leaves opposite or 
rarely alternate, toothed, rarely lobed or pinnatifid. Flowers axillary, minute, 
hermaphrodite or unisexual, sometimes racemose at the ends of the branches, 
