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the branches and roots are dried and used for medicine, being
aromatic and refreshing.
455. Daphnidium strychnifolium, S. et Z., Jap.
Uyaku ; an evergreen shrub of the order Lauraeeas, growing 4-9
fts. high in the form of a bush. It bears yellowish green flowers
in bunches in the axils of leaves, and produces small red berries.
The tubular roots are dried and used for medicine.
456. Asarum sieboldi, Miq., Jap. Hiki-no-hitai-gitsa ;
a perennial herb of the order A ristolochiacetn, growing wild in
shady places in mountains. In spring it sprouts and bears a dark
purple flower of \ inch in size near" the ground. The rootlets are
dried and used for medicine.
456. b. Asarum variegatum, Al. t Jap. Kan-aoi / a
species of the former growing wild in shady places in mountains
The leaves are round and pointed at the top*;,
and concave near
the petioles resembling a horse hoof. The leaves are long or
round, and differ also in size. The rootlets are used instead of
the former, but they are inferior, being acrid and bad smelled.
457. AristolocMa ksempferi, Willd., Jap. Uma-nosiidsu,
Ohaguro-bana ; a perennial climbing herb of the order
Ai istolochiacea3 growing wild. In summer it shoots forth long
stalks at the axils of the leaves, and yields tubular flowers on
small balls. The flowers open at the tip, and form purplish green
petals. The roots are dried and used for medicine. There are
other varieties with large or narrow leaves and with white flowers.
458. Houttuynia cordata, 77/., Jap. Doku-dami, /oyaku
; a perennial herb of the order Saururacea3, growing wild
and attaining to a height of 7-8 fts. It gives a disagreeable odour
when touched. In summer it bears 4 petaled white flowers of
different sizes. The roots are dried and used for medicine.
459. Dioscorea sativa, L., var. rotundis, Fr. et Sav.,
Jap. Tokoro ; a perennial wild climbing herb of the order Dioscoreacese.
It resembles very much D. japonica (111) in form, though