ICELANDIC FLORA. 
471 
II. TRIGYNIA. 
Polygonum viviparum. (p. 92.) 
-——-Bistorta.—The roots are often eaten 
raw, and sometimes converted into 
bread. 
————- Hydropiper. 
— .—. — amphibium. 
.- ■ Persicaria. 
——-aviculare. 
III. TETRAGYNIA. 
Paris quadrifolia. 
X. DECANDRXA. 
I. MONOGYNIA. 
Andromeda hypnoides. (p. 70 and 99.) 
Arbutus Uva Ursi.-—See note at p. 176. 
— .— - alpina. 
Pyrola rotundifolia. 
—— secunda. 
- minor . (p. 99.) 
II. DIGYNIA. 
Saxifraga Cotyledon. 
— * 1 II. stellaris. 
— - nivalis. 
— -— Hirculus. (p. 208 ) 
——— falmata . 
