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How many plants, we call them weeds, 
Against our wishes grow; 
And scatter wide their various seeds 
To ail the winds that blow. 
Man grumbles when he sees them rise 
To foui his husbandry ; 
Kind Providence this way supplies 
His lesser family. 
Scattered, but small, they ’scape the eye, 
But are not wasted there ; 
Safe they in clefts and furrows lie ; 
The little birds find where. 
WOBDSWORTH. 
But to return to our subject. The musk-like scent 
from which this plant dérivés its name is generally 
very slight; nor can I say that I ever observed it; 
but I hâve been informed that in the evening, and 
very early in the morning, its fragrance is striking- 
ly perceptible.* “ The délicate perfume emitted 
by certain flowers, as well as the more powerful and 
often disagreeable scents afforded by the herbage 
of some plants, generally dépends upon the diffusion 
of a volatile oil. In some cases such an oil is 
Descriptive and Physiological Botany. 
