186 
PLINTHS NATURAL HISTOET. [Book XXVI. 
be not ulcerated ; taken in wine, it is curative of pleurisj^ 
also. 
CHAP. 55. — THE CALLITHKIX: ONE BEMEDY. THE PEKPRESSA I 
ONE REMEDY. THE CHRYSANTHEMUM *. ONE REMEDY. THE 
ANTHEMIS : ONE REMEDY. 
Callithrix,^^ beaten up with cummin seed, and administered 
in white wine, is useful also for diseases of the bladder. 
Leaves of vervain, boiled down to one third, or root of vervain, 
in warm honied wine, expel calculi of the bladder. 
Perpressa,^^ a plant which grows in the vicinity of Arretium 
and in Illyricum, is boiled down to one third in three heminse 
of water, and the decoction taken in drink : the same too with 
trefoil, which is administered in wine ; and the same with 
the chrysanthemum.^^ The anthemis^'^ also is an expellent of 
calculi. It is a plant with five small leaves running from the 
root, two long stems, and a flower like a rose. The roots of 
it are pounded and administered alone, in the same way as 
raw laver.^ 
CHAP. 56. SILATJS: ONE REMEDY. 
Silaus^ is a plant which grows in running streams with 
a gravelly bed. It bears some resemblance to parsley, and is 
a cubit in height. It is cooked in the same manner as the 
acid vegetables,^^ and is of great utility for affections of the 
bladder. In cases where that organ is affected with eruptions,®^ 
it is used in combination with root of panaces,^^ a plant 
which is otherwise bad for the bladder. 
See B. xxii. c. 30, and B. xxv. c. 86. 
59 This plant lias not been identified. Anguillara says that it is the same 
as the repressa," a plant given to horses by the people at Eome, when 
' suffering from dysuria. What this plant is, no one seems to know. 
60 See B. xxi. c. 30. 
The same as the Helichrysos of B. xx. cc. 38 and 96. It is identified 
with the Chrysanthemum segetum of Linnseus, the Corn marygold. 
«2 Fee identifies it with the Eranthemis of B. xxii. c. 26, which he con- 
siders to be the Anthemis rosea of Linnaeus, the Eose camomile. 
63 See c. 32 of this Book. 
61 Hardouin thinks that it is the Apium graveolens of Linnaeus, Smallage ; 
but at the present day it is generally identified with the Peucedanura silaus 
of Linneeus, the Meadow sulphur- wort, or saxifrage. 
65 Sorrel, for instance. 66 u Scabiem." 
67 See B. xxv. c. 11. 
