GERANIUMS. 79 
than the pointless sterile stamens ; pistil silky ; fruitlets hispid ; 
seeds brown-red ; cotyledons lobeless. 
More frequently than this will be found an introduced British 
species, Erodium cicutarium, which has the segments of its 
leaves arranged in a pinnate form and deeply cleft, while its 
petals are pink or purplish. 
To a distinct tribe of Geraniacez or a closely allied order 
(Oxalidee) belong the Sorrel-clovers of the genus Oxalis, so 
called on account of their acidity from binoxalate of potash. 
Oxalis corniculata, the hornfruited Sorrel-clover, is as common 
here as in 
many other Fie. XXXV. 
parts of the 
globe and 
always = yel- 
low - flowered, 
whereas our 
white-flowered 
Oxalis Magel- 
lanica is here @ /AA\\N 
like in Tasma- (7% J) Wi 
nia, New - 
Zealand and 
South America 
confined to 
o\\\ 
‘ \ 
\\ MK 
cool springy (Qn 
\\\Y 
\ \\ 
SS nk 
higher forest- 
regions. 
The Native 
Flax (Linum 
marginale) be- 
longs also to 
an order of 
plants, closely 
allied to : 
G ; Fig. XXXV.—(Zygophyllum crenatum).—1, a flower laid 
prerseces, open ; 2, pollen-grain ; 3, fruit, burst open ; 4, transverse sec- 
namely Linez. tion of fruit ; 5, a seed. 
