Pipturus.] URTICACEAE. 413 
along the lower parts of the branches; in particular the larger <ul 
in the axils of 9 rhachis are always female. 
Oahu! Mt. Kaa 
uw. tanita contracting at the base, not emarginate, narrower; 
Bi ciatud as before. — Wawra, in Flora, 1874, p. 543. 
Maui! Wailuku, Waithee. 
7 var. — Leaves ovate- rears contracting but obtuse at the fi ase, 
unequal. in some pairs, thin, alm i ‘anous, glabrous, neither rugose 
nor strongly nerved. My specimens seem to be dioecious, the male panicles 
without aneiay simaiee but the ae show gradations into §. 
= 
3 
© on the islands of Madagascar, Bourbon a Sewing, 
yp 
aceae, see manufacture of «kapa», 
the same exten 
n cultivation: B. tenacissima, Roxb., or B. nivea, Hook. ony the Ramee plant. 
11. PIPTURUS, Wedd. 
Flowers dioecious, rarely monoecious. a pee 4—5-lobed, with 
4—5 stamens and the tomentose rudiment a pistil. Fem. perigone 
ventricose, 4—5-toothed, adnate to the ovary. Cee filiform, pubescent 
on one side, articulate and caducous. Ovule 1, erect. Ahens nucumen- 
Seed with little albumen, the 
mall trees, with alternate 
tripli-nerved leaves. Stipules axillary, bifid. Flowers apejomtgpe glomerate, 
the clusters axillary, simple and sessile, or Pani ly AAR on an 
elongate rhachis, the female on globose, at last man receptacles 
A ona of 8 species, natives of Polynesia, Malaysia, tropical Australia and the 
Mascarene Islands. 
1. P, albidus, Gray, in Mann’s Enum. no. 430. — DC. Prod. XVI, Sect. I, 
p. 23517, — A shru b, 5—8 ft. high, the young branches gray-tomentose. 
Leaves ovate, 3—4‘ xX 1—2!/4‘, on petioles of 1/2—1'/2', quite acute, 
crenato-serrate, rounded or slightly contracting at the base, chartaceous, 
Sparingly hispid or glabrate above, shortly white-tomentose underneath 
on the areoles between the darker veins, tripli-nerved, the lateral nerves 
extending to the upper fourth of the blade. Stipules about 2”, triangular 
lanceolate, bifid to the middle into subulate lobes. Flowers all sessile in 
axillary clusters of 3—4 in diam. which nearly clasp the stem, white 
