Rutaceae. 
ginate, or subcordate leaves, with a 5 to 9 flowered panicle and capsules as in 
the species. This variety was collected by Hillebrand on the Island of Maui in 
the Valley of Waihee and on the southern slopes of Mt. Haleakala; the writer is 
not acquainted with this plant. 
Var. montana Rock var. nov. 
A slender tree 20 to 30 feet tall, the branches hirsute, ee obovate to elliptico- 
oblong, recon vies at the apex, rounded a t the base, very thick coriaceous, strongly 
hirsute a when young but glabrate ifs os ae, eso ote a ‘pubescent ee ath, the e promi- 
nent ad ak aint o are the 1.5 to ong petioles, margins revolute, the secondary 
veins parallel at pended right angles a ie eae a un ns d a an intramarginal nerve 
not distant from edge of the a 6 to 12.em long, 4 6 em wide; inflorescence 
axillary panieatate, “densely hirsut to 5 fiowered; diate flowers: sepals ovate- 
triangular acute 3 mm, pubescent, as are the Pia til bio petals, the latter twice as 
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sagittate, acute, filan peas , glabrous; style hirsute, bine quite as sp a be petals, 
with a bluntly four- ied tigma; capsule largest in the is, 5 em in dia , pubert- 
lous, parted more than %4, the cocci ribeye at ma anys he Apes is deeply split, dies one 
or two abortive, always two s eded, the papery endocarp 
This variety the writer Hesston on the upper ions of Mt. Hualalai at an 
elevation of 5000 to 6000 feet on the rim of a crater called Puuki. It is a slender 
tree 25 to 30 feet in height, but has a rather small trunk of 3 to 5 inches diameter. 
It has long and slender branches which are foliate only at the ends. The writer 
met with it also lower down at 3500 to 4000 feet, but it was more numerous 
around the rims and at the floors of extinct craters, scattered over the western 
slope of Hualalai in close vicinity to the dismal cinder plain above Huehue. 
The type is 3849 in the College of Hawaii Herbarium, flowering and fruiting 
June, 1909. A very similar form with somewhat smaller capsules the writer 
collected in the woods back of Waimea, Hawaii, fruiting June, 1910, no. 8426. 
Here must also be referred a shrubby form with long rambling branches, often 
a small tree, which may be known as: 
Var. terminalis Rock var. nov. 
Leaves smaller, since or ieee ee on Peas Babe of : = 1.5 em, linear-oblong, 
acute, thick ser beagchljor 5 to em long, 2 to pore i oat Vantin 
branches; capsules sma than in variety mtan pie a ameter, usually 4 to 6 
on a common ake Ae ay eine: le of le sually piictey the ends of the branch- 
lets drooping under the ae of the ese Seoul. occasionally also axillary; capsula 
4s in var, ee. smaller 
Collected at Auahi, southern slopes of Mt. Haleakala, Maui, on the lava fields 
at an elevation of 2600 feet; type no. 8655, fruiting November, 1910, College of 
Hawaii Herbarium. 
On the Island of Lanai in the serub vegetation of Mahana Valley occurs a 
shrub with long rambling branches which becomes finally a vine entangling all 
the neighboring trees and reaching way into their crowns. It is in all respects a 
variety of Pelea volcanica and may be called: 
Var. lianoides Rock var. nov. 
Leaves as in the species, glabrat e ait e, pubescent undern ps especially along the 
re midrib, on shorter petioles than in the species; inflorescence axillary , paniculate, 
bearing from 3 to 10. owers; female esate large, pubescent, ehals twice as ‘ong a s the 
223 
