OF TREES, 139 
fee the vernal flowers begin to celebrate their 
nuptials, and the trees, one after another, open 
their buds, and cloath themfelves with leaves. 
It is a matter of wonder why the wood plant j-, as 
the J purge laurel , the wood anemone , the noble 
liverwort , the vernal vetch , the broom rape , the 
pafque flower , the colts-foot , the fage of Jerufa- 
lem , pilewort , violet s^ &c. and the garden 
plants, as the bacca^ fnow drops , bulbous 
violet ^vernal crocus, &c. fhould flower in the very 
beginning of fpring j when we cannot by any 
pains, or care bring them to flower in the au- 
tumn, or after the fummer folftice. For it is 
remarkable that thefe plants, which are fo very 
patient of the cold in the fpring, are yet in the 
autumn fo tender, and weak, that they dye like 
the Indian plants upon the firft hoar frofl s , e. g. 
the 
was difficult for me to find what particular kind of grafs they 
prefer for this purpofe, as not being every where the fame, 
tho’ always one of the cy per us grafts, but i perceived at laft 
that it was what i mentioned above. Thus far Linnaeus. 
I will add, that this grafs grows with us. 
* The iron nights, as they are called in the Swediffi lan- 
guage, i. e. lharp nights, happen generally at Upfal be- 
tween the 19th and 3 1 ft of Auguft. e. g. 1746 they began 
the 19th, 1748 the 17th, 1749 the ift of Sept. 1750 the 
20th of Auguft, 1751 the 27th, 1752 the 20th. They 
feldom 
