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when ripe, fitting in red cups, having red footftalks. 
The roots and wood have been long ufed as a fudo- 
rihe, but the bark of the root is by much the ftrong- 
eft, yielding a confiderable quantity of hot, aromat- 
ic oil; and when powdered and joined with other 
febrifuges, has been given with fuccefs in intermit- 
tents, &c. Alfo ufed as a tea, is faid to promote 
obftrudted menfes ; but has been blamed for occafi- 
oning the head-ach. 
LEDUM. 
MARSH CISTUS, or WILD ROSEMARY. 
Clafs io. Order i. Decandria Monogynia. 
T HE Empalement is of one leaf, very final], and five-tooth- 
ed. 
The Corolla confifts of five petal$, ovate, concave, and Tpread- 
ing. 
The Filaments are ten, thread-form, fpreading and the length 
of the corolla. The Antherce are oblong. 
The Germen is roundilh. The Style thread-form and the length 
of the ftamina. The Stigma is obtufe. 
The Seed-veJJel is a capfule, roundilh, five- cell’d and gaping in 
five parts at the top. 
The Seeds are numerous, oblong, narrow, acute each way and 
very (lender. 
The Species with us , but one , viz. 
Ledum thy mi folium. Thyme leaved Marjh 
Cifius . 
This grows naturally in the jerfeys, in low, moift 
places. It is a friiall ever-green fhrub, fcarcely rif- 
ing above eighteen inches or two feet in height and 
divided into feveral branches. The leaves are very 
fmall, entire, of an oblong oval fhape, and thick 
confidence, 
