Zanthoxylum.] RUTACEAE. 73 
the narrowing base, chartaceous, puberulous appears Flowers in 
axillary or cauline clusters, the peduncle very short. Sepals 31/2", S asiiesk 
pubescent. Petals 41/2’, white, imbricate, Babe's Stamens mona- 
delphous. Style short and thick truncate. Capsule deeply 4-parted, with 
obtuse lobes, the carpels 2-seeded. — Pelea auriculaefolia, Gray, Bot. U. 
8. = am » els pl. 36. — Bags in eas Bost. Soc. Nat. Hist. X, 313. 
forests of Maun a (U. . E.); Kohala range above Waimea (Hbd.); 
iste "of Lanpanoste (Lydg. ) mai glabrous underneath. The description a the fruit 
according to Gra 
3. ZANTHOXYLUM, L. 
lowers unisexual. Calyx 5—3-cleft, with imbricate lobes. Petals 5, 
4, or rarely 3 or 2 or none, imbricate in the bud, rarely valvate. Stamens 
8 many, rudimentary or wanting in the female flowers. Carpels oblique, 
5—1 on a raised torus or short stalk, free, or united at the base, with 
2 collateral ovules in each, rudimentary in the male flower. Styles 
somewhat lateral, distinct, or united at the top, with capitate stigmas. 
Follicles distinct, opening into 2 valves. Seeds ovoid or globular, with a 
s c 
a rustaceous testa. Embryo LET or slightly d, in 
a fleshy albumen. — Trees or shrubs, often prickly. Leaves alternate, 
impari-pinnate or ternate, rarely Samagat: sioikis dotted with pellucid 
oil-glands. Flowers pecs in axillary or terminal cymes or panicles 
A considerable genus, common to the New ioe Old World, chiefly tropical, not Social 
in Polyn wah “outside the — wi bag i 
The Hawaiian species have tetramerous flowers and enclosed 
d generally a single 
il 
stamens, with 2 a dueis biovulate earpel, a thick adherent endoearp, an 
th pillaeform radicle. 
The leaflets are entire, and the petiolule wh the terminal one great exhibits in its upper 
portion a thickening or articulation. Nat name of species: «Heaé» (trisyllabic). 
Petals 4, thin and pi pion imbricate. ride aiue TaN appear before the leaves in 
the axils of la 
paws pinnately pale the lateral leaflets sessile or on short petiolules 
—7, lanceolate, with copious transparent 0 oil-dots % glanduloswm. 
pore 5, rar ovate or ovate-oblong, opaque . Kaucie 
Leaflets 3, rarely 5, thick and tomentose, truncate at the base, 
the lateral ones very uns trical rage da 3. Z. Mauiense. 
Leaflets pedately ternate, the lateral ones on long petiolules: eae 
All petiolules articulate at the middle 
All petiolules without articulation or thicken 
Petals 4 or 2, thick coriaceous and valvate Flow seat panicles cles 
terminal and oppositi —— Small stipelliform leaflets at the 
base of the lowest leaflets or of the single leafiet . Z. dipetalum. 
1. Z, Kauaiense, hens ot. U.S. E. a ». 364. — A er sit 
tree, about 20 ft. high, with a straight undivided trunk and a len 
Leaves 5- or rarely 3-foliolate, on ea of 10—15"; nd 
bac 
: Z. acetic: 
round crown. 
and quite op 
glabrous, the petiolule of the terminal one articulate near the blade, 6”, 
those of the lateral ones 1—1!/2“. Panicles 1—4 near the base of the 
