BOTANIC MATERIA MEDICA, 471 
Rhi’zanths, plural—rizanths (Gr. rhiza, a 
root, and anthos, a flower). Plants occupying 
a place between the flowering and non-flow- 
ing species, 
Rhizocarpus—(Gr. rhiza, a root, and karpos, 
fruit). Plants whose roots last many years 
whilst the stems die annually. 
Rhizome—ri’zom, also Rhrizo’ma (Gr. rhizo- 
ma, What has taken root), A thick root run- 
ning horizontally, sending up shoots above 
and rootlets below. 
Rhizotaxis—ti’zo-taks’-is Gr. rhiza, a root, and 
taxis, putting inorder). The arrangement of 
roots in their relative order. 
Rhodanthe—ro-dan’-the (Gr. rhodon, a rose, 
and anthos, a flower). A plant much es- 
teemed for its beautiful flowers which bloom 
annually, 
Rhodendron—ro’do-den’-dron (Gr. rhodon, a 
rose, and dendron, a tree). A plant much 
esteemed for ornamental gardening; it has 
evergreen leaves and large brilliant flowers. 
Rhubarb—ru’-barb (from Ria, the former name 
of the river Volga, in Russia, on whose banks 
it is said it was first found, and from the Lat. 
barbarus, foreign). A valuable medicine of 
many varieties. 
Rimose—tri-mos’, also remous, ri’-mous (Lat. 
rimosus ; Italian rimoso, full of cracks). Cov- 
ered with cracks or fissures, as in the bark 
of some trees. 
Rind—(As. hrinde; Gr. rinde, crust or bark). 
The skin or outer coat of a fruit; peel; the 
bark of trees. 
