1S8 
CALYCIFLORiE. 
form of infusion or decoction, or the root, in which the 
virtues of the plant are supposed principally to reside, 
may be given in powder. According to Lunan, the plant 
has received the name of Fit-weed from its efficacy in 
nervous diseases. 
III. Helosciadum. 
Calycine margin 5-toothed or obsolete. Petals 
ovate. Styles short. Fruit compressed : meri- 
carps with 5 filiform prominent ribs, and with the 
lateral ones marginal : oil-tubes I in each inter- 
stice. 
Name, from IXo$ a marsh and tfxiathov an umbel. The 
plants grow in damp places. 
1. Helosciadum leptophyllum. 
Glabrous suberect, leaves ternato-multisected 
with the lobes capillaceous, those of the stem sub- 
sessile, umbels opposite to a leaf sessile or pe- 
duncled 2-3-rayed, umbellules peduncled, invo- 
lucre O • 
iEthusa leptophylla. Nutt. Gen. Am. I. 190 — Heloscia- 
dum leptophyllum, DC. Prod. IV. 105. 
II A B. Coffee-pieces, Port Royal mountains. 
F L. After the May rains. 
A delicate herbaceous plant: branches few, filiform, 
striated. Leaves bi-tri-partite : extreme divisions 3-par- 
tite ; petioles margined and sheathing towards the base. 
Peduncles in threes (or the umbel sessile with three rays) 
opposite to a leaf, nearly an inch in length : umbellet sim- 
ple. Involucre none. Flowers minute. Petals oval, 
one-nervea, indexed and tinged with red at the apex. 
Stamens shorter than the petals. Style 5. Mericarps 
orbiculate, compressed, 10-striated. — This is an obscure 
unattractive plant, to be found in all the warmer regions 
of the American continent. 
IV. Arracacia. 
Calycine margin obsolete. Petals lanceolate 
