In my Tour in Iceland, ed. 2 , i, p. 161, I have mentioned liaving found this p lant in a most
floarishing sla te , a lthough always exposed to the vapor o f boiling water. Indeed, it was the only
spot in th a t island where I recollect to have seen i t ; nor does it appear, from Wahlenberg’s
Flora Lapponica, th a t it is a t all a native of th a t country. In the warmer pa rts o f France and
Switzerland, and in the north of Italy, it is far more common than in England,
R E FER ENC E S TO TH E PLA TE.
riG.
1,
3.
4.
5.
6.
7.
I. Male an d /em a le plants, natural size.
Male p lant, magnified ......................................................................................................... 6
Portion o j a male p la n t, tvith its a n th e r s ..................................................................... 2
A n th e r ......................................................................................................................................... 1
Female p la n t, with one c a l y x ............................................................................................. 6
Fetnale p la n t, with two calyces........................................................................................... 6
C a ly x ............................................ ■.............................................................................................. 3
Calyx, cut into segments....................................................................................................... 3
Calyx, with capsule bursting..................................... ' ......................................................... 3
Portion o f the c a p s u le ......................................................................................................... 1
Seeds and spiral Jilaments........................ 1