56 Materials fur a Flora of the Malayan Peninsula. 



ones one to many bisexual, uppermost, male 

 or empty or aborted. 



1. ELXiTKitKAE. Glumes few or many, 

 (listiehous. 



Hypogynous bi'istles none. 

 Style bifid. 



Bisexual flowers 1-2 . . . . 1. KijIVuuja. 



Bisexual flowers numerous . . 2. Pi/creus. 

 Style trilid. 



Eatliilla of s}tikelet persistent after 



the fall of the glumes . . . . 3. Cij[icrus. 



Eacliilla disarticulating above the 



two lowest empty glumes . . 4. Mariacus. 



2. SciitriiAE. Flowering glumes spi- 

 rally arranged. 



Hypogynous bristles or scales of often pre- 

 sent. 



Style base constricted or artieulate 

 above the top of the nut. Leafless 

 with a single terminal spikelet, 

 Hypogynous In-istles rarely absent . . . . o. Elcucharis. 



Leaves present (rarely absent). Sj)ike- 

 lets usually several. 

 Ilypognyous bristles 0. 



Style base persistent or eoui])letely 



decidtious (1. Fiinhri^hjli^. 



Style base deciduous but leaving a small 

 knob on the nut . . . . . . 7. BaJbui<iyl\s. 



Style base not articulate, passing gra- 

 dually into the nut. 

 ITypog3nous bristles '•-(; linear. 



Stems leafy or not . . . . . . 8. Stiryus. 



ily])ogynous scales U or o broadly ob<)\ale oi' 



spathulate. Stems leafy . . . . . . !). Fiiircna. 



Hypogynous scales 2, thin elliptie boat- 

 shaped enelosiug the nut . . . . . . It), Liputarpha. 



3. liiiYNciiosi'OiiKAi:. Glumes not dis- 

 tichous. Basal cm])ty ones several, bisexual 

 ones 1 or 2. Upperjnost male or empty 

 several. 



