210 FLORA OF NEW ZEALAND. [ Polygonee. 
$ b. AvicuLarz. Flowers hermaphrodite, axillary. Style trifid. Nut trigonous, surrounded by the withered 
pertanth, 
2. Polygonum aviculare, L.; herbaceum, basi suffruticulosum, caulibus prostratis flexuosis profunde 
sulcatis, ramulis scaberulis, foliis parvis lineari-lanceolatis, ochreis breviusculis scariosis albidis ad basin fere 
laceris, floribus solitariis breve pedicellatis 6-andris, nuce calyce «equilonga. Linn. Sp. Pl, etc. Engl. Bot. 
1.1252. P. plebeium, A. Cunn. Herb. An Br. Prodr.? 
Has. Northern and Middle Islands. Akaroa, Raoul. Ahuriri, Colenso. (A native of England.) 
A rigid, very sparingly branched species, found in many parts of the world, with prostrate, rather hard, but 
scarcely woody, deeply-grooved, flexuous stems, and smooth or minutely scaberulous branches. Leaves scattered, 
linear-lanceolate, blunt or sharp, with recurved margins, coriaceous, 3-1 inch long. Ochrea white, silvery, mem- 
branous, split nearly to the base into ragged pieces. Flowers small, solitary. Stamens eight. 
3. Polygonum Dryandri, Spr.; herbaceum, caule rigido diffuse ramoso prostrato ramisque sulcatis 
scaberulis, foliis patulis linearibus lineari-oblongisve obtusis coriaceis marginibus recurvis, ochreis brevibus 
seariosis albidis ad basin laceris, floribus hermaphroditis axillaribus solitariis 2-3-nisve pedicellatis 6-andris, 
stylo 3-fido, nuce trigona calyce inclusa v. exserta. Spr. Syst. Veg. 
Has. Northern Island. East coast, Colenso. Port Cooper, Lyall. 
A smaller species than the last, abundant in India and other parts of the world; much branched from the base; 
branches 6-10 inches long, less rigid, the upper ones slightly scaberulous. Leaves numerous, spreading, thick, 
3 inch long, linear-lanceolate or oblong, quite entire, glabrous. Ochree short, silvery, torn to the base, scarious, 
white. Flowers small, pedicellate. Stamens six. Nut smooth, as long as the perianth, or protruded beyond it. 
$c. MUHLENBECKIA. Flowers polygamous, solitary, spiked or panicled. Stamens eight. Style trifid. Nut 
trigonous. Perianth fleshy in fruit. 
4. Polygonum (Muhlenbeckia) australe, A. Rich.; frutescens, caule elongato ramisque flexuosis 
complexis profunde suleatis, ramulis scaberulis, foliis 3-2-uncialibus petiolatis late cordatis obtusis apicu- 
latis acuminatisve junioribus 3-lobis glaberrimis, ochreis (ramulis junioribus) elongatis ore integris, spicis 
paniculatis multifloris glaberrimis, bracteis obtusis 1-8-floris, floribus unisexualibus breve pedicellatis. 
A. Rich. Flora. A. Cunn. Prodr. Coccoloba, Forst. Prodr. P. adpressum, Lab. Fl. Nov. Holl. p. 99. 
t. 127. Br. Prodr. A. Cunn. Prodr. 
Has. Throughout the Islands; common, especially on the coasts, Banks and Solander, ete. Nat. 
name, “ Puka,” Cod. 
A large rambling bush or small tree, common also in Norfolk Island and Tasmania, variable in foliage. Every- 
where quite smooth. Branches long, flexuose, matted together, deeply grooved; the branchlets obscurely scaberu- 
lous. Leaves petiolate, cordate, blunt, apiculate or acuminate, quite smooth, 4—2 inches long ; young three-lobed. 
Ochree deciduous ; those on the young branches long, membranous, truncate and entire at the mouth. Spikes pani- 
culate, quite smooth, axillary and terminal. Bracts blunt. 
5. Polygonum (Muhlenbeckia) complezum, A. Cunn.; fruticosum, polymorphum, ramis ramulisque 
implexis elongatis flexuosis sulcatis scabridis, foliis glaberrimis petiolatis late obovatis orbiculatis cordatisve 
obtusis v. apiculatis infra i-uncialibus integerrimis punctatis impunctatisve junioribus 3-lobis, ochreis 
integris, spicis brevissimis v. elongatis simplicibus paniculatisve pubescentibus tomentosisve, bracteis ob- 
tusis. 4. Cunn. Prodr. 
Has. Throughout the Islands, abundant, Banks and Solander, ete. (Cultivated in England.) 
One of the most variable plants in New Zealand, of the same habit as P. australe, but much smaller in all its 
d with downy or tomentose spikes, which are seldom panicled. Stems and branches deeply grooved, scabrid. 
parts, an 
