—— Muklenbeckia.] XCIX. POLYGONACER. * 273 
txillary or terminal simple or panieulate interrupted spikes. Radicle 
usually curved towards the back of the cot tyledons (incumbent), rarely 
ere and there towards their edge (uccumbent). 
The genus et to New Zealand, Vah aes al S. America, and poes “a - Andes 
to Mexico. -Of the seven Australiag species, one is identical with a New Zealand one, 
ees is closely a alied as well to a New eed as to a S. pilara s pirme the 
e mic. 
aci Ere d mice or sagittate, usually broad 
and above 1 ir m prostrate or climbin 
Fruit globular, dtecarely an ie d, not rugose, with the perianth 
Succulent, Spikes mostly axillar 
Leaves rather thick, obtuse o rshordly acumina 1. M. adpressa. 
Leaves thin, with a x; wg point. Paiki very slender. 
ars small , 2. M. gracillima. 
m l, more r less  S-angled, very rugose. Leaves f 
le rather thick, Spikes mostly in a large terminal panicle . 3. M. rhyticarya. 
aves ovate or rounded, under 4 in. long. Stem 8 8 on, pros- à 
ride y . Pruit prominent 3-ongled . . 4. M. axillaris. 
ves narrow, ye ade s at the base. Erect or diffuse under 
mbent, not much branched. Leaves ag - 
era ate. Spikes ax xillary. Fruit globular . 5. M. polybotrya. 
b. Leaves on uxuriant branches lanceolate or rare rely 
astate, on the others small and li inear. Clusters axillary, 
led 
. Fruit globular, 3-angled. . . . 6. M. polygonoides. 
small o usters mostly in terminal spikes. j z 
Prt on prominently . Pilate dia " € crt. M. Vitam 
l. M. adp ressa, Meissn. Gen. Pl. Comm. Es in Pl. Preiss. ii. 272 
and in sd Prat pr Be 
rs 
i n ng except on the smaller Britches t in ec e specimens 
» Or M 
E Tasm. i. 
1 eed with 3 se Duc furrows.— Hook f. Fl 
a Polygonum adpressum, La ll P l. Nov. Holl. i. 99, t. 197 ; nr 
| ed. 3, = Gartly): y); Sarcogonum adpressum, Don. in Sweet Hort. Bri 
T ee following forms of this plant appear to be nearly constant enough to be 
hig pe. Stems. s trailing on the ground òr climbing - bushes, rarely above 
[ aves broad and short. Perianth not very succulen 
: Specimens į ales? Medway river near Berrima, Miss A ain. (Uncertain, the 
a in leaf only), 
Wendi du vale, Robertson» month of the Glenelg, Allitt; Wimmera, 
vor? Yowaka river, F. Mueller. : 
