erbs with 
lerves$ sti>ules comaonl: 
onoecious, or polvramous, 
wait 
4 
are ~ Ye +} 
Stemens as meny as the peri: 
inflexed before anthesis, 
acheneé ¢ 
O wcaves Oo vOSsites; »lants with stinging hairs i. Urtica 
0 Leaves altcrnetes plants without stinging hairs 
Urtica Le. 
OL 
4, spreading, 
! ‘ 
arary 
SUAaATIC.. 
unequal pairs, she inner larger, enclosinz the achenes ac 
4 heirs, the leoves 
4 scems mostly less 
cormionly brittle or fragile 
resent, 
Bs) 
Ovary superior, l-chambered, 
comionly call and stinging herbs with opposite leaves, 
catitinelike svikes or racemes which 
the leaves, annesring whorled, 
Pistillate flowers vith a 4elobed calyx in tyo very 
stems, alternate or opvosite 
“lovers inconsnicuous, Green, dioecious, 
-erianth of 285 more or less distinct segments, 
Ls 
NON. 
i) 
S and opnosite them, the filaments 
Yruit a small 
&, Parietaria 
Nettle, 
. ro 
lovers 
hs 
are clustered in the axils 
Jteaminate flowers with a 4=lobed calyx3; 
hene ellinticep 
Z Aniualss stems 20-40 em, tells; leaves comionly 3-4 cm, 
6 long le Je urens 
- ; | : i 
2 Perennials; stems 50-160 em, tail or more; lesves ; 
/ + Vater a ) 1 C 4 
b COLuoOnLy Cele CMs, OLE i 
t 
4 Lesves tending to cordete at the base, acute rether 
cran acwninete, che stinules narrowly oblons 
A 
less then lem, loner, tondince to be blunt cé ts ~ Leds 
- lett | 
