Flora of Namonuito — Stone 
97 
Flowers yellow or white 
Flowers borne in heads Synedrella 
Flowers not borne in heads 
Leaves minute, less than Va in. long; plants prostrate, often on 
rocks Pilea 
Leaves larger; plants erect 
Leaves fleshy, salty to taste, V 2 -I in. long 
Stems reddish; leaves obovate Portulaca sp. 
Stems green; leaves elliptic Portulaca sa^moensis 
Leaves thin, tasteless 
Stems reddish; leaves toothed .Fleurya 
Stems green; leaves entire 
Flowers not tubular 
Flowers down-pointing, borne in terminal spikes. . . . 
Achyranthes 
Flowers lateral, axillary Phyllanthus 
Flowers tubular, 4-petaled Hedyotis 
C. Grasses and sedges; flowers small, greenish or brownish; leaves narrow, elongate (See 
also A and B) 
Stems triangular; inflorescence subtended by leaflike bracts Cyperus 
Stems round; inflorescence not bracteate 
Rosette plants with solid stems 
Inflorescence branching, borne on leafless scapes Fimbristylis 
Inflorescence a single subglobose head Eleocharis 
Not rosette plants, or if so, stems hollow 
Fruit a spiny burr, borne in a spike Cenchrus 
Fruit not spiny 
Inflorescence a narrow cylindric spike breaking at joints when old; plants some- 
times rosette-forming Lepturus 
Inflorescence not jointed and disarticulating 
Spikes digitate, 2 or more borne palmately 
Spikelets with several florets Eleusine 
Spikelets with 1 floret 
Spikes 3 or more, digitate; fruit cartilaginous -indurate, not rigid. Digitaria 
Spikes 2, conjugate; fruit indurate, rigid Paspalum 
Spikes not digitate 
Giant grass with long silky panicles 1 ft. or more long; culms woody, often 
striped with purple Saccharum 
Not as above 
Spikelets on one side of the rachis 
Spikes several, distant Oplismenus 
Spikes 1 or 2, close, hidden Thuarea 
Spikelets on both sides of rachis 
Spikelets in a diffuse panicle; panicle compound, greenish, the spikelets 
minute Eragrostis 
Spikelets in a stiff panicle which is simple, reddish Chrysopogon 
