- 
3n 
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RUTACEAE 
sistent. Petals 4 or 5: blades involute, 
toothed or somewhat ciliate, often clawed. 
vary 4-5-celled. Capsule sessile, 4- or 5- 
lobed, dehiscent at the apex.—About 40 
species, natives of the Mediterranean region 
and Asia 
R. graveolens L. Plant 2-8 dm. 
leaf- blades twice ed divided the rel 
obovate or obovate- se epals wane 
or ovate: petals ie. OT mn long, 
blades involute, denticulate: pr 8— kt 
mm. wide.—(RUuE.)—Waste-places o. p 
grounds, various provinces, E U. S. of 
Eu.—Spr.-fall.—Formerly mueh TE in 2o mue 
2. ZANTHOXYLUM [Catesby] L. Shrubs or trees. Leaf-blades pin- 
nate, sometimes 1-foliolate. Flowers dioecious or polygamous, in axillary spikes 
or terminal corymb-like or cyme-like panicles. Sepals present or wanting. 
Petals 4 or 5, mostly erect, white o or green. Mature carpels solitary, or 2-5 
together. D a L.]—About 150 species, natives of temperate and tropical 
regions.—Spr.-sum. or all year os 
Calyx present: flowers appearing after the leave 
Flowers in small axillary spikes: sepals, MEAT and stamens 4. 
. Z. Fagara. 
Flowers in large terminal c n or corymb-like 
panicles: sepals, petals, and stamens 3 or 5. 
Sepals, and petals, 5: leaflet D 
Sepals, triangular or de dtola, partially united, 
pen t. . Z. flavum. 
Sepals ovate or ovate-lanceolate, distinct, decidu- 
3. Z. Clava-Herculis. 
Sepals, and petals, 3: leaflets leathery. 4. Z. coriaceum. 
Calyx wanting: flowers appearing before the leaves. 5. Z. americanum. 
1. Z. Fagara (L.) Sarg. Shrub, or ae sometimes 10 m. tall, the Harr: 
slender, often Bs. m s 2.5—11 em. long, the raehis winged ; blades 
tne lateral leaflets mostly ds ate to B 
1-2 long, shallowly alee mature 
551 er ences [Z. 
Pterota H. B. K ges WILD. ue )— Coastal 
hammocks, southern pen. Fla. and hammocks 
of the Everglade Keys and Florida Keys.— 
(W. I.)—The heart-wood is heavy and hard, 
usually brown 
2. Z. flavum Vahl. Shrub, or tree som 
times 12 o unarmed, the twigs stellate- 
P lea s 9-25 em. long, the rachis 
terete; blades p the lateral leaflets mostly 
elliptic or ovate, 3.5— e long: mature 
carpel m '5-9 p ng. [Z. ida 
Ar ww (Yarrow: -WOOD SAT 
WOOD.)— —Hom ocks, low r Florida Keys. — (IF. I.)\—The heart-wood, exceed- 
e hard oa i. is good -eolored. 
3. Z. Clava-Herculis L. Shrub, or tree sometimes 17 tall, the prickles 
raised on corky bases: leaves 1-3 "dm. long; blades of the pos leaflets ovate, 
