R66 
Reseda Luteola, L. 
The Weld. Middle and South Europe, Middle Asia, North 
Africa. A herb of one or two years’ duration. A yellow 
dye (Luteolin) pervades the whole plant. 
Reseda odorata, L. 
The true Mignonette. North Africa and Syria. A herb of 
one or very few years’ duration. The delicate scent can 
best be concentrated and removed by enfleurage. 
Rhamnus catharticus, E. 
The Buchthorn. Middle and South Europe, North Africa, 
Middle Asia. It can be utilized as a hedge-plant. The 
berries are of medicinal value, as indicated by the specific 
name. The foliage and bark can be employed for the pre- 
paration of a green dye. 
Rhamnus chlorophorus, Lindl. 
China. Erom the bark a superior green pigment is pre- 
pared. B. utilis, from the same country, serves for the like 
purpose. This kind of dye is particularly used for silk, and 
known as Lokao. 
Rhamnus infectorius, L. 
On the Mediterranean Sea, and in the countries near to it. 
The berry -like fruits of this shrub are known in commerce 
as Glraines d’ Avignon and Grraines de Perse, and produce a 
valuable green dye. Other species seem to supply a similar 
dye material, for instance B. saxatilis, L., B. amygdalinus, 
Desf., B. oleoides, L. 
Rhapis flabelliformis, E. fil. 
China and Japan. This exceedingly slender palm attains 
only a height of a few feet. The stems can be used for various 
small implements. It is one of the best plants for table 
decoration. 
Rhaponticum acaule, Cand. 
On the Mediterranean Sea, A perennial herb. The root 
is edible. 
