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spicuous. Leaves scattered; petioles i - 1 inch long; lamina A-f inet broad, broadly rcmfovm-orbicular, five- to
seven-lobed, sharply toothed. FeitmcUs shorter and more slender than the petioles. Carpels dark brown, very
small. B. hirta, Br., of Australia and Tasmania, seems intermediate between this and H. Nmce-Zelanâ%oe. The
var. compacta has the leaves more deeply lobed, and the lobes more deeply and shaiply cut.
7. Hydrocotyle microphjlla, A. Cunn.; parvula, depressa, pilosa v. glabrata, subrobusta, foliis reni-
formi-orbiculatis laxe pilosis 5-7-lobis, lobis S-5-dentatis, pedunculis glabris petiolo æquilongis, capitulis
multifloris, fructibus parvis brunneis dense congestis, carpellis utrinque 1-costatis dorso subacutis. A. Cimn.
Prodr.H
ab . Northern Island. Probably common, but overlooked from its small size, Ounningham,
Colenso.
A very small, rather stout, short-stemmed, tufted, depressed plant, sparingly hairy. Fetwles \ inch long.
Leaves \ inch broad, variously lobed to about one-third their breadth ; lobes bluntly but coarsely toothed. Capitula
very sm.-dl, red-brown, hardly 1 line diameter, of many crowded sessile fruits. Carpels as iu B.. moschata.
8. Hydrocotyle disseeta, Hook, fil.; pubescens, caule tenello, fobis reniformi-orbiculatis 5-7-partitis
segmentis obovatis v. cuneatis laeeris et inciso-dentatis, peduncubs gracilibus, capitulis multi(40-50)-flons,
fructibus dense congestis parvis ? carpeUis utrinque obscure 1 -costatis dorso convexis.
H a b . Northern Island, Colenso.
I have only imperfect specimens of this most distinct-looking plant. Stms slender, haiiy, almost hispid, as
are the petioles, peduncles, and leaves, especially underneath. Leaves altemate or fascicled ; petioles 1 inch long ;
lamina f inch broad, cut to near the base into five spreading, obovate, cuneate divisions, which are deeply lobed on
the sides and margin, and sharply inciso-dentate. FeiuncU slender, shorter than the petiole. Capitulum pale,
globose, of forty to fifty densely-packed small fruits. Cmpels one-ribbed on each side, rounded at the back.—Some
latitude must be allowed for this description, which is drawn up from imperfect materials. The plant is allied to
H. moschata.
§ c. Peduncles elongated. Flowers pedicellate.
9. Hydrocotyle elongata, A. Cunn. ; pilosa v. glabrata, teneUa, caule elongato, stipubs parvis, fobis
late orbiculari-reniformibus profunde 5- 7-lobatis, lobis ovatis argute dentatis, peduncubs gracilibus petiolo
longioribus, nmbelbs multifloris, pedicelbs elongatis radiatis, floribus minimis, fractibus parvis late didymis
brunneis, carpelbs utrinque 1-costatis. A. Cunn. Prodr.
H ab. Northern and Middle Islands. From tbe Bay of Islands, Cunninglmm, etc., to Dusky Bay,
A very distinct species from any other New Zealand one, but very near an Andes plant. SUms slender, 8-10
inches long in large specimens, more or less hairy, as are aU other parts of the plant except the flowers and fruit.
Fetioles 1-2 inches long. Leaves i - l i inch broad, deeply five- to seven-lobed; lobes sharply toothed. Feduncles
considerably longer than the leaves, very slender. Vmhels twenty- to fifty-flowered. Flmers very minute, on
slender strict pedicels, i -3 lines long. F n it dark brown, broadly didymous, very small. Carpels with one rib on
each side.
Gen. II . POZOA, Lag.
Fructus prismatico-tetragonus v. dorso compressus; carpelbs dorso concavis; jugis lateralibus dissitis;
commissura valde contracta. Calycis margo 5-dentatus, persistens. Petala 6, apice non inflexa. Flores
monoid, dioid, v. hermaphroditi. Involucrum mono-poly-phyllum.
Herbs with radical leaves, and scapes, or creeping rhizomes, which are leafy, and bear scapes at intervals;
inhabitants of temperate South America, New Zealand and Lord Auckland’s Group, and Tasmania {Pozopsis) ; the
leaves are rounded in outline, or lobed, or partite. Umbels simple, with a toothed cup-shaped or a many-leaved
involucre. Calyx five-toothed. Petals without inflexed apices. Styles moderate. Carpels compressed at the hack,
concave or convex, with five ribs, two lateral, two approximated at the suture, and one dorsal.—The New Zealand
species are hermaphrodite, the American have unisexual flowers, and some Tasmanian ones are dioecious. The
Antarctic genus, Azorella, differs from this more in habit thau by any characters of the fruit ; and I now feel
satisfied that A. Ranunculus, D’Urv. (PI. Antaret. p. 385. t. 98), should be included in Pozoa, and rank very near
the P. trifoliolata and P. reniformis of Lord Auckland’s Group ; these, with the Tasmanian Pozopsis cordifolia
(Hook. Ic. Plant, t. 859) and the original South American species, form a very natural genus, of which P. coriácea
and P. hydrocotylifolia have entire involucres. The rest all belong to the subgenus Scldzeilema, which I proposed
(in PI. Antaret. p. 15) for the species \vitli many-leaved involucres. (Named in honour of Joseph del Pozo, a
Spanish botanist.)
I. Pozoa trifoliolata, Hook. fil. j gracilis, glaberrima, pusilla, rhizomate repente radicante hie illic
folioso, foliis longe petiolatis 3-foliolatis, stipulis membranaceis laeeris, foliolis petiolatis obovatis grosse
lobato-crenatis, pedunculis axillaribus folio multoties brevioribus, involucri foliolis paucis lineari-subulatis
pedicellis brevibus æquilongis, floribus 4—7 minimis, fructu oblongo 4-gouo, carpellis dorso transverse
oblongis convexis. Hydrocotyle trifolia, Banks et Sol. MSS. et Ic. T a b . XIX.
Yar. /3. tripartita ; minima, hie illic rarissime setosa, foliis 3-partitis v. 3-foliolatis, foliolis sessilibus,
carpellis brevioribus.
H a b . Northern Island. Totara-nui, Banks and Solander. Under large stones on the liills of
Pauanui, on the Ruahine range, east coast, etc., Colenso.
A perfectly smooth, slender, creeping plant, very like a Hydrocotyle. Rhizomes 3-6 inches long, leafy, and
rootiug at remote intervals, sometimes giving off slender prostrate stems. Petioles filiform, 1-3 inches long. Leaflets
tln-ee, petioled, obovate, deeply crenate and notched, inch long, membranous. Peduncles slender, one-tliird as
long as the petiole. Umbel of four to eight, nearly sessile, very minute white flowers, surrounded by an involucre of
as many subulate leaves. Fruits shortly pedicellate, 1 line long.—The var. /3 is certainly only a minute state of
this, wuth sessile leaflets, or even tripartite leaves. It is probably a common but overlooked plant.—Plate XIX.
Pig. 1, base of petiole and stipules; 2, flower and involucral leaf; 3, young fruit; 4, transverse section of the
same :—all magnified.
Gen. II I. ERYNGIUM, Tourn.
Fmctus subteres, obovatus, squamatus ; carpellis semiteretibus, evittatis, ejugatis, carpophoro per
totam longitudinem adnatis. Calycis lobi foliolosi, erecti. Fetala abrupte emarginata, cum apice inflexo.
Umhellce in capitula densa ovoidea aggregatæ. Involucri folióla exteriora radiata ; interiora sparsa, paleacea,
inter llores mixta.
One species alone of this extensive South European aud South American genus inhabits New Zealand : it is
also found in Tasmania, and forms a small, rigid, spinous herb, with a stout root, radical leaves, and long prostrate
stems, thrown off like scions, which bear leaves and flowers here and there, but do not root. Flowers very minute,
dispersed in many deformed umbels, which are collected into dense lieads, surrounded by a radiating involucre of
subulate spinous leaflets ; the leaflets of the partial involucre are similar, but smaller, and scattered amongst the
heads. Calyx limb of five erect leaflets; tube covered wdth chaffy scales. Petals obcordate, bilobed, with a flat
inflcxed lamina, as long as the petal, and lacerate at the apex. Stamens long, incurved. Meiicarps semiterete,
without vittæ or ribs. (Name, epvyyi.ov, of Dioscorides.)
1. Eryngium vesiculosum, Lab. ; glaberrimum, foliis radicalibus longe petiolatis lanceolato-oblongis v.
linearibus acuminatis argute grosse inæqualiter spiuoso-dentatis subpinnatifidisve, surculis prostratis
•I 1