ORD. XXIV. PAPILIONACE. 
(From Papilio, a Butterfly) 
‘Plants whose flowers somewhat resemble a Butterfly. This Order 
includes all the leguminous plants. 
(ns a a EIEN cee ence 
ASTRAGALUS TRAGACANTHA., GOAT’s THORN 
: MILK VETCH. 
- nee er 
Ex hae planta exudat Gummi Tragacantha. Pharm. Lond. & Edinb. 
SYNONYM4A._ Astragalus aculeatus fruticosus Massiliensis, 
Pluk, Alm. p, 60. Tragacantha. Bauh. Pin. p. 388. Traga- 
cantha, sive spina hirci. Gerard. Emac. p. 1328. Tragacantha 
wera. Park. Theat. p. 995. Tragaeantha Massiliensis. J. Bauh. 
Hist.i. p.407. Raii Hist. p.933. Du Hamel, Traité des Arbres, 
t. ti. p. 343. Tournefort, Voyage du Levant, t. i. p. 21. 
‘Class Diadelphia. Ord. Decandria. Lin. Gen. Plant. 892. 
Ess. Gen. Ch. Legumen biloculare, gibbum. 
Sp. Ch. A. caudice arborescente, petiolis spinescentibus. 
THE root is perennial, long, tapering, and fibrous: the stems 
are shrubby, short, thick, branched, procumbent, clothed with 
brown rigid fibres, and beset with long sharp spines: the leaves 
are pinnated, consisting of about eight pairs of small oblong pin- 
nulz, or leafits, which are attached to a strong spinous persistent 
