No. 635. 
PETROCALLIS PYRENAICA. 
Class. Order. 
TETRADYNAMIA SILICULOSA. 
A native of the South of Europe, on 
mountains at a considerable altitude, as well 
on the Pyrenees as on the Alps of Savoy, 
Switzerland, and Austria. It is a very mi- 
nute plant, with slender branching stalks, 
flowering with us in April and May, and in 
its native situations in July and August. It 
may be increased sparingly by dividing the 
roots, and is difficult to preserve in places 
the air of which has so little of the pureness 
of its native element. It should be kept in 
a pot in a mixture of decayed morter with 
loam. 
Although this subject is so small, scarcely 
ever attaining the height of one inch, it is 
exceedingly beautiful and interesting if 
closely examined, and where indeed is the 
plant that is not so? Every thing which 
God has created is wonderful, whether 
bodies terrestrial or bodies celestial, all are 
astonishing. The world (such as we see it) 
is a perfect riddle, of which there can be no 
VOL, VII. M 
