Rhynchospora.] CYPERACEAE. 477 
uniform yellowish brown, 1-nerved; the 2 or 3 lowest sien pobre 
mucronate; the 2 or 3 middle ones fertile, lanceolate, acu the 1 or 
2 uppermost tabescent. Stamens 3. Style bifid. Achene sat ee 
with rather acute angles, oe aintly waved transversely, 1” high 
the paler puberulous and compressed conical beak as long or shorter. 
Perigonial bristles 5—7, cae the beak of the achene, scabrous. 
There are generally 2, a 3 axillary and 1 terminal corymbs. 
All islands, but not common, on grassy or Boi slopes of more than 2000 or 3000 ft. 
elevation. — Native names: «Kuolohia» ae «Puukoa». — The aie ranges _— over 
Australia, S. Asia and Africa, and hardly differs from the American R. glauca, Vahl, 
2. R. lavarum, Gaud. Bot. Voy. Freyc. p. 415. — A smaller plant, 
9—15‘ high, with thinner stems. Leaves filiform, not rigid, shorter th 
the stem, scarcely scabrous. Spikelets rather slender, pointed, 2—21/2" 
long, chestnut- brown, much less numerous than in the first species, 6—16 
in the terminal and 3—7 in the lower or often single axillary corymb. 
Glumes 7—8, all lanceolate, 1-nerved and mucronate; the 2 lowest empty 
and smaller, the 4 or 5 next higher fertile, the uppermost tabescent. 
Stamens 1, 2 or 3. Perigonial bristles as before. Achene (according to 
Kunth) obovate- elliptical, lenticular- compressed, with obsolete longitudinal 
peat brown, shining; its beak shorter, conical, compressed, pale, con- 
c. p. 298. — Hook. & Arn. in Bot. Beech. p. 98. — 
On the high mountains of E. Maui and. H My specimens are with flowers 
only; in them the fertile glumes, which caateened describes as obtuse, are all as 
€ given. 
3. R. spicaeformis, sp. n. — A smaller plant than no. 2, the stems 
3—6’ high. es stiff wiry or linear-convolute, equalling or exceeding 
few (4—9) in a short terminal spike-like fascicle, sometimes with a 
1—3-spiculate short axillary peduncle besides. One or two bracts longer 
than the fascicle. Glumes 6—7, subcoriaceous, very dark, all mucronate, 
even aristate; the 2 or 3 lowest empty, truncate or emarginate, the 
2 middle ones fertile, faintly striate on both sides of the strong median 
herve, the 2 or 3 uppermost tabescent. Stamens 3. Bristles 6—8, scabrous, 
much longer than the achene; the latter dark janes obovate, elongate, 
with a strong beak, but net _ in my a 
Maui! in the swamp on the sum of Mt. Eeka. — The setae preceding species 
form a close group; but of very different sah is the ‘follo owing. 
4, R. thyrsoidea, Nees & Meyen. — Kunth, 1. ¢. p. 294. — Stems tufted, 
2-3 ft. high, triquetrous, foliose. Leaves et as long or longer, 
glaucous, chartaceous, very rough along the margins and keel. Spikelets 
dark aa slender, very acute at first, 4‘ long, s1 single or clustered along 
