25. LEGUMINOSiE. 
113 
The fossil leaf-impression called by Prof. Heer Pistacia Plue- 
acum Heer, can scarcely from its dotted surface have belonged 
to any Terebinthaceous pi. ; nor do I see in what essential point 
it differs from the prints of leaves referred by him to Myrtus 
communis L. 
fTribe >S TIMA CHINESE. 
The Sumach Tribe. 
Cot. leafy, radicle bent down upon their suture ( pleurorhizal ). 
fl. Rhus. FI. hermaphrodite, polygamous or dioecious. Cal. 
5-cleft. Pet. 5. Stam. inserted outside the perigvnous disk. 
Ov. 1-celled. Styles 3 short, or stigmas 3 sessile. Drupe 
dry 1-, rarely 2-8-seeded. 
t 1. Rhus. 
fl. R. Coriaria, L. Sumayre. 
L. pinnate with an odd terminal 1ft. hairy-pubescent ; pe- 
tiole simple slightly margined upwards ; lfts. 5-7 pairs elliptic- 
oblong obtuse coarsely serrate. — Desf. i. 266; Brot. i. 475; Spr. 
i. 936; Buch 198. no. 420; DC. ii. 67; WB. ! ii. 125.— Shr. 
per. Mad. reg. 1, 2 ; cc. Sunny, rocky or stony places by road- 
sides and in waste ground amongst cultivation, everywhere. 
Aut. — A low shr. with short stiff woody scarcely branched st. 
about a ft. high covered with a light ashy bark. L. 4 or 5 in. 
long; lfts. shining dark gr. above, villose and pale beneath. 
Panicle terminal thvrse-like. Fr. densely crowded dry hard 
villose blackish-purple. The pi. is used by the country people 
for tanning leather. 
Order XXY. LEGUMINOS.E. 
The Pea and Bean Family. 
Fl. mostly perfect irregular, sometimes imperfect, sometimes 
regular. Cal. inferior. Sep. 5 more or less combined, the odd 
one outside or inferior. Cor. mostly papilionaceous , sometimes 
regular, rarely 0 ; pet. 5-0 inserted into the base of cal. mostly 
unequal or papilionaceous with the odd pet. (standard) inside or 
superior , sometimes equal. Stam. mostly 10 perigynous rarely 
hypogynous, monadelphous or diadelphous (9|1), rarely tri- 
adelphous, sometimes distinct. Ov. superior free 1-celled ; style 
and stigma simple from the upper or ventral seed-bearing suture 
of the mostly solitary 1-celled rarely 2-5-celled carpel. Fr. a 
legume (pod) or very rarely drupe. Embryo mostly without 
albumen or endosperm, rarely straight mostly curved and 
pleurorhizal or bent down upon the edge of the cot. which are 
