7793: _ curious facts, -a4y 
open at Enghfp Names. Linnean Names. 
S.. io Garden letuce. Lactuca saliva. 
Alpine bastard hawk mM 
weed Crepis alpina. 
12 Blue flowered alpine. Sonchus alpinus. 
To this curious vegetabie time piece, a couple of 
vegetable barometers may be added, which act upod 
Similar principles, and are likewise sufficiently ac- 
curate for the gardener and farmer. The first baromes 
ter is the African mary-gold, or CALENDULA pluvialis. 
If the African mary-gold opens not its flowers in 
the morning about seven o’clock, you are sure to 
have rain that day, except it is to be accompanied 
with thunder. 
The second barometer is the Siberian sow thistle, 
or sonciius Sibericus. 
If the flowers of the Siberian thistle keep open all 
hight, you are sure of rain next day. 
TWO CURIOUS FACTS RESPECTING NATURAL HISTORY. 
SIE. To the Editor of the Bee. 
Your correspondent M. has mentioned a pretty cu- 
rious phenomenon, in vol. 13 p. 286 of the Bee, 
which you have explained in the.most satisfactory 
manner. I will beg leave to add a similar fact, to 
which, though I had it from the most undoubted au. 
thority, some years ago, I could not give the full 
afsent of my mind, till I read the above paper. It 
will serve, at least, to corroborate your, opinion. 
A knife found in the heart of a growing tree. 
Two men in Kofs-ihire being employed, sawing 
some large fir trees, observed a long black streak in 
ene of the planks, pretty near the center, where, 
