190 CIX. URTICEJ. ^. [Urtica. 
16. URTICA, Linn. 
Flow moncecious or dicecious, clustered but distinct. Male 
peraith [^ Riesed-plobilaz in the bud, deeply divided into 4 concave 
nearly equal segments. Stamens 4; with a small rudimentary pistil. 
Anthers oblong-reniform. Female perianth with 2 outer segments 
A smaller than the 2 inner, which become Vno de and ovate beg 
sprinkled or covered with yr stinging hairs. Leaves opposite, 
toothed, 5- 7- or rarely ped ed. Stipules interpatiolar, free or the 2 
on each side united into one. ower-clusters in axillary simple or 
branched interrupted apes or panicles, shorter than the leaves, and 
often shorter than the petioles. 
The is widely spread over the extra-tropical regions of both the northern an nd 
southern yetirnberen i in the New as well as the Old World, more rare within the tropics. 
The only indigenous Australia apu We is also in New Zealand, and is a close repre- 
- sentative da à common northern one. 
Perennial. Male and female flowers in distinct inflorescences 1. U. incisa. 
Annual Male and female flowers in the same inflorescences. . . .*2. U. urens. 
l. U. incisa, Poir. ; Wedd DC. Prod. xvi. i. 52, A perennial, 
with stems usually weak or dec batt at the base, sometimes slender 
and rarely 1 ft. long, sometimes trailing to the length of 10 or 12 ft, 
p ‘between the stinging hairs. aves usually on long petioles, 
Tanceolate or almost linear, acute, deeply toothed, somewhat cordate at _ 
the base and 1 to 3in. long, rarely ovate-lanceolate. Inflorescence 
usually simple or branching into 2 at the very base, the males mostly 
as long as or longer than the petiole, e clusters eie uet lengthening 
into short branches, the females shorter and more dense, but in some 
specimens the female inflorescences are jt ng, slender, and branched, in 
DONE UMS mU ved c MI 
ASF iE lioe eii. 
1 line diameter, labrous or slightly prahcqus; Eum dis smaller 
en 
Baa ae 
when in fl ut the inner segments 
nut, NU. DNA slightly com Der as gos. as Or roy longer 
than the persistent, perianth. OE f. Fl. Tasm. i. 343; U. lucifugt E 
Hook. £ in Hook. Lond. Journ. vi. 285. : 
Queen Covering an island in Fitzroy river, O'Shanesy, a single specimen — 
not 1n flower. | 
N. S. 
Wales. Paramatta, Woolls; Macleay and Clarence rivers, Beckler ; New 
castle, Leichhardt. : 
Victoria. Marshy plains on the Yarra, F. Mueller, Robertson; L Little river, 
E ; 
Common in various parts of the island, peer in moist shady places, 
A D. masa: Flinders. island, Gunn; King’s islan 
S. Australia. Strathalbyn, Herb. F. Suellen, a, ee not named. 
This species, Mg ns is also in New Ze aland, is usually dist inguished , from ron a 
northern a er dioica, nn., by the weaker stems glabrous Meo p stinging di U 
narrower leaves and Nai male flowers; some northern specimens, however, ° 
