422 THE VEGETABLE WORLD. 
Trees or shrubby —— with alternate gor or orci bof ger 3 
leaves ; Seeuciaal axillary flowers with bracts; apocarpo 
single e ovule rising from the base of the cell. 
CLXXIV. Anacardiacee. 
Trees or shrubby, sometimes climbing exogens, with compound leaves ; 
terminal or syeviomct flowers in racemes or panicles; apocarpal fruit, and CLXXV. Connaracee. 
IN 
Trees shru sy xogens, rarely herbaceo 3 leaves non-stip 
late, log or aversate, plesk with eit va Me dots ; axi dlaey 
or terminal gece fruit few-seeded, Renogennt anacarpous ; pericarp 
CLXXVI. Rutacez. 
Trees shrubby PRET with non. siipuiste, alternate. rd ccna 7 
leaves: flowers axillary or termi nal; fruit few-seeded, becom ‘ | CLXXVII. SP Nace 
pous ; pericarp earn into nga aa perso pendulous ies see 5 
_ Smooth trees or under simple, or toothed with 
ruit one- 
CLXXVITI. Ochnacee. 
seeded, tec apocarpous ; oat a ct a conical torus. 
Trees or shrubs, leaves alternate, compound, sometimes rene i 
sae: peduncles axillary ; few-seeded fruit, Tecunag anac: 
shrubs, or herbaceous exogens, with opposite iad! ibe 
usually unequally pinnate ; flowers wc in _ or jag Bstaree mc 
dite ; fruit few-seeded, final ally anacarpous us dry an croscopic ; 
seed peuned 
CLXXIX. Simarubacez. 
CLXXX. Xygophylla- 
cer. 
Small annual exogens, with opposite leaves; stipules oo the ; 
petioles ; jajonulens flowers, and many-seeded anacarpous frui t ae 
Herbaceous exogens, with capillary a Peg or tue very CLXXXII. ee 
imperfect flowers ; many-seeded anacarpous 
The group of exogens of which the well-known and humble 
Rue is the type, includes the Orange, the Melon, the Lime, the 
Shaddock, Forbidden Fruit, and the Citron in the Aurantiaceé ; 
incense-yielding trees or shrubs in the Amyridacee ; a substitute 
for Peruvian Bark, is the Bastard Cedars, in Cedrelacee. The 
Anacardiacee include the Cashews. Pistachia vera, a tree fifteen 
feet high, originally from Syria, yields the fruit so much esteemed 
as the Desert Nut. Gum mastic is drawn from P. /entiscus. 
The aromatic bark of Rhus cotinus (the Wild Olive, or Sumach) 
is one of the substitutes for Peruvian bark. The order generally 
yields resinous products of considerable commercial value. The 
Rutacee agree with the Aurantiacee in haying dotted leaves, — 
definite stamens, and fleshy disc. The plants of this order emit 
offensive odour from the glands which cover them. In the case 
of some of the genus Dictamnus the glands are filled with vola- 
tile oil, and in hot weather the surrounding atmosphere becomes — 
so charged with it that a light coming in contact will inflame 
the air. The Xanthroxylacee are tropical plants of Asia, Africa, 
and America, and all possess in various degrees aromatic 
pungent properties. “The Simarubacee, or Quassias, are known,” 
says A. de Jussieu, “from all the rutaceous plants by the co- 
existence of these characters—namely: ovaries with one ovale, 
