P.K. Latz, Fimbristylis 
181 
b. Nut not trabeculate, base of stem not clothed 
with old leaf sheaths; coastal plant F. cymosa 
1 12a. Spikelets squarrose, fertile glumes 3 mm long or more 
with mucro greater than 0.3 mm long, red gland-dotted 2. F. blakei 
b. Spikelets rounded, fertile glumes up to 3 mm long, 
obtuse or muticate, not red gland-dotted 113 
1 13a. Stems distinctly flattened, nuts white, less than 0.6 mm broad, 
involucral bracts much shorter than spikelets; in non-saline soils F. denudata 
b. Stems rounded or somewhat flattened, nut pinkish brown or greyish, 
greater than 0.6 mm broad, bracks as long or slightly shorter than spikelets; 
in saline soils F. polytrichoides 
1 14a. Majority of inflorescences terminated by a single spikelet 
(occasional inflorescence with 2 or 3) 115 
b. Inflorescences with 3 or more spikelets 122 
115a. Nut distinctly winged, leaf sheaths with broad scarious 
margins which continue onto the lamina F. pachyptera 
b. Nut not winged (sometimes with 3 apical lobes), 
leaf sheath margins (if present) abruptly terminated 116 
116a. Style greater than 8 mm long, fertile glume greater than 8 mm long 117 
b. Style less than 8 mm long, fertile glume less than 8 mm long 118 
117a. Nut (including stipe) 2-2.6 mm long with 
1 mm long non-angular stipe F. odonlocarpa 
b. Nut greater than 2.6 mm long, stipe short or ridged or absent F. squarrulosa 
1 1 8a. Leaves reduced to loose scarious scales, 
spikelets often more than one per inflorescence F. sp. L ( brownii ) 
b. Leaves with distinct lamina, 2 cm or more long, spikelets solitary 119 
1 19a. Style less than 3 mm long, glume less than 4.5 mm long, 
basal spikelets present F. spiralis 
b. Style greater than 3 mm long, glumes greater than 4.5 mm long, 
basal spikelets absent 120 
120a. Annual, leaves contributing less than a third of the bulk of the plant F. oxystachya 
b. Perennial, leaves contributing more than a third of the bulk of the plant 121 
121a. Nut less than 2.5 mm long, glumes less than 6 mm long F.ovata 
b. Nut greater than 2.5 mm long, glumes greater than 6 mm long F. macrantha 
122a. Leaves reduced to loose scarious scales 123 
b. Leafy plants 125 
123a. Spikelets capitate, ferule florets l-(2) 124 
b. Spikelets generally solitary, fertile florets numerous F. sp. L ( brownii ) 
