Fimbristylis.} CYPERACEAE. 473 
3. F, cymosa, R. Br.— Kunth, Enum. Pl. I, 244. —Stems tufted, 1—1'/2 ft. 
long, angular-compressed. Leaves many, 1/2 or '/s as long, linear, less 
than 1” broad, pale, straight and stiff, thick at the middle, keeled and 
channelled in the lower half, suddenly acuminate or truncate, scabrous 
near the apex. Spikelets 1!/2—2‘, obovoid when young, ovoid-obtuse 
when older, with gaping glumes, pale brown, sessile in close clusters or 
heads of 3—5 in the forks and at the ends of the cymose spreading rays of 
a decompound open umbel; the longest rays measuring 2—3’. Involucral 
leaves stiff subulate, less than half the length of their rays. Bracts of 
spikelets subulate, triquetrous. Glumes 1“, ovate, obtuse or rounded, not 
mucronate, with a prominent and stiff keel, pale yellowish, excepting a 
brown band on each side of the keel which is made up of 5—7 closely 
approximate nerves. Stamens 3. Style shortly exserted, trifid, naked, 
deciduous with its bulb. Achene very small, /3‘’, scarcely stalked, obovoid, 
trigonal, smooth, aes — Hook. & Arn. in Bot. Beech. p. 98. — Benth. 
Fi. penne VI, ; 
pikelets are not found corel — given TT for, although the rhacheole elon- 
gates at porter to 3 and 4“ aining glumes then occupy only its upper half. 
? 
he inflorescence in the ee oe ace peat that ot Juncus obtusifiorus, Ehrh 
B var. umbellato-capitata. — Smaller and more rigid. Stems 6—12'. 
Leaves one third as long or less, often curved. Umbel much aided. 
the longest rays not exceeding 6—9”, their cymose divisions contracted 
into dense fascicles or heads. Involucral leaves and bracts quite short and 
stiff. Glumes stiffer and a than in «, stronger keeled and compressed, 
with often a subapical mu — F. er of Mann, Enum. 
no. 518, but probably not ea ‘Steudel. 
Seat Maui! Oahu! Niihau (Lay and esi age ses) -s in higher and exposed 
localities and more frequent than the first form s has been found also in 
Australia, Timor and Tutuila. 
4. F. pycnocephala, sp. n. — Stems tufted, stiff, angular- compressed, 
3—8‘ high. Leaves about half as long, crowded at the base, eager 
pale glaucous, rather stiff, curved or straight, flat, not earinate, a 
crowded in a globose head of 1/2—3/4/ in diameter; rarely a single short ray 
Projecting ith a smaller head. Involucral bracts 1-3, only one as long as 
the head or a little longer. Glumes ovate, somewhat obtuse, 1—1'/2", navi- 
cular- -carinate, with the keel denticulate in the lower ones, not mucronate, 
pale brown along the rigid and faintly 5—7-nerved middle, with a broad 
hyaline border round sides and apex. Stamens 3. Style trifid, naked, 
deciduous with its bulb. Achene obovoid, trigonal or plano-convex, with 
the convex face ridged, dark brown when mature and smooth, scarcely 
oh, 
