86 
XXXIII. UMBELLIFEB.JE. 
[Hydrocotyle. 
8. H. asiatica, Jinn. ; — FI. N. Z. i. 82. Stems creeping, rather robust. 
Leaves fascicled, cordate-oblong or oblong-reniform, obtuse, sinuate-toothed or 
entire, usually glabrous, in. long; stipules membranous. Umbels 2-3- 
flowered, on short peduncles. Involucral leaves 2 or 3, large, pilose. Flowers 
shortly pedicelled. Fruit large, often pilose. Carpels with 2 or 3 stout ribs 
on each face, reticulated. — II. cordifolia, Hook. Ic. PI. t. 303. 
Common in marshy places throughout the islands, Banks and Solander, etc. Found also 
in Australia, Tasmania, and in the warmer parts of Asia, Africa, and America. 
4. H. muscosa, Jr. ; — H. tripartita, Br. ?, FI. N. Z. i. 83. Stems 
glabrous or pilose, tufted. Leaves £ in. diam., 3-5-partite to the base, the 
lobes obcuneate, 2-3-toolhed at the tip, coriaceous, stipules rather large. 
Peduncles shorter than the leaves. Umbels 3-6-flowered. Flowers almost 
sessile. Fruit glabrous. Carpels rather turgid, with 1 slender rib on each face. 
Northern Island: swamps at the foot of Tongariro, Colenso. Middle Island: 
abundant, Hector and Buchanan, etc. Also a native of Tasmania and Southern Australia. 
5. H. dissecta, Ilootc.f. FI. N. Z. i. 84. Small, slender, hispid-pilose. 
Leaves alternate and fascicled, 1 in. diam., cut nearly to the base into 5-7 
obovate-cuneate, acute, deeply toothed or laciniate segments, deep green, hairy 
on both surfaces, teeth rather diverging. Peduncles slender. Umbels very 
many-flowered. Flowers densely capitate. Fruit small, glabrous. Carpels 
rather turgid, with 1 obscure rib on each face. 
Northern Island, Colenso. A most distinct species, of which I have very imperfect 
specimens. 
6. H. heteromeria, DC.; — FI. N. Z. i. 82. Glabrous or sparsely pi- 
lose. Stems very slender. Leaves f- in. diam., reniform with a deep 
sinus, obtusely crenate and obscurely lobed, shining, membranous ; petioles 
very slender; stipules membranous. Peduncles slender, half the length of 
the petioles, or shorter. Umbels 3-5-flowered. Flowers very shortly pedi- 
celled. Fruit very small, pale-coloured. Carpels with 1 evident rib on each 
face, one often hispid. 
Northern Island : in marshes, Bay of Islands, Auckland, etc. Very near II. ameri- 
cana, and perhaps a peduncled form of that plant. 
7. H. pterocarpa, F. Muell. Perfectly glabrous; stems very long, 
slender. Leaves 1-2 in. diam., orbicular-reniform with a narrow deep sinus, 
obscurely broadly crenate-lobed, very membranous ; petioles a span long ; 
stipides small, membranous. Peduncles long, slender, shorter than the leaves. 
Umbels 3-5-flowered. Flowers small, shortly pedicelled. Fruit larger than 
in any other New Zealand species, very flat. Carpels with 1 rib on each face, 
glabrous, mottled with brown. — FI. Tasm. i. 153. t. 33. 
Northern Island, Colenso. A native of Tasmania and Victoria, where the peduncles 
are shorter. 
8. H. novoe-Z elan disc, I)C. ; — FI. N. Z. i. 83. Glabrous or pilose ; 
stems very slender, 5-10 in. long. Leaves -§— | in. diam., reniform, with 
usually an open sinus, very obscurely 5-7-lobed, lobes obscurely and obtusely 
crenate, membranous ; petioles slender ; stipules rather large. Peduncles 
slender, much shorter than the leaves. Umbels 5-10-flowered. Flowers very 
