THE FLORA OF MANILA. 
231 
CYPERACEAE. 
MARISCUS Gaertn. 
MARISCUS DILUTUS (Vahl) Nees in Wight Contrib. (1834) 90. 
Cyperus dilutus Vahl Enum. 2 (1806) 357. 
Mariscus microcephalus Presl Rel. Haenk. 1 (1830) 182; Clarke in 
Hook. f. FI. Brit. Ind. 6 (1894) 624, Philip. Journ. Sci. 2 (1907) 
Bot. 88. 
Sphaeromariscus microcephalus Camus Not Syst. 1 (1910) 239. 
Very recently E. G. Camus has proposed the new genus Sphaeromariscus, 
based on Mariscus microcephalus Presl. Should this proposal meet with 
general acceptance, Vahl’s specific name will later have to be taken up 
under the new generic name, in accordance with the principles of the 
Vienna Code of Botanical Nomenclature. 
FIMBRISTYLIS Vahl. 
FIMBRISTYLIS CORN I CU LATA sp. nov. § Trichelostylis. 
Annua, caespitosa, erecta, glabra, circiter 20 cm alta; culmis 
tenuibus, efoliatis ; spiculis paucis, 3 ad 5, simpliciter umbellatis, 
pedicellatis vel centrale sessile, brunneis, 3 ad 8 mm longis; 
squamis oblongis; brunneo-puncticulatis, margine ciliatis, apice 
rotundatis vel retusis, carinatis, carina prominente, excurrente; 
nux obovata, verruculosa, 0.5 mm longa; stylo 3-partito. 
A tufted, glabrous, apparently annual plant, the culms slender, 
about 20 cm high, terete, slightly striate. Basal leaves few, 
linear, 5 to 8 cm long, about 1 mm wide; culm-sheaths all near 
the base, short, leafless. Spikelets few, 3 to 5, arranged in a 
simple umbel, the middle one sessile, the others pedicelled, ulti- 
mately usually reflexed, brown, 3 to 8 mm long, the glumes 15 
or less. Involucre at the base of the umbel of few, lanceolate, 
acuminate bracts 5 mm long or less. Empty glumes about 2.5 
mm long, the keel very prominent, excurrent. Flowering glumes 
oblong, about 2 mm long, brown-puncticulate, margins ciliate- 
pubescent, apex rounded and cucullate, or retuse, the keel very 
prominent, excurrent as a distinct awn, the glumes deciduous 
from the base upward, leaving prominent scars on the rachis. 
Stamens 2 or 3. Nut obovate, black, verruculose, obscurely 
triquetrous, about 0.5 mm long; style slightly pubescent, 3-partite. 
Luzon, La Loma, near Manila, Merrill 7359, December, 1910, in open 
grasslands, altitude about 10 m. 
A species apparently well characterized by its few spikelets and especially 
by its glumes being rounded and cucullate or retuse, the prominent keel 
excurrent as a distinct awn. It seems to be allied to F. tenera R. & S. 
