GRASS FAMILY 571 



slender, erect branches ; spikelets few, erect, lanceolate, i — 3- 

 flowered, awnless ; glumes acute, equal. — Wet heaths ; common. 

 Growing in tussocks in company with Scabiosa succisa. The 

 stems are sold in bundles by tobacconists for cleaning pipes. 

 (Named in honour of G. J. Molina, a Chilian botanist.) — Fl. 

 July, August. Perennial. 



Catabr6sa aquatica {Water Whorl-grass). 



33. Catabr6sa (Whorl-grass), of which C. aqudtica ( Water ^ 

 Whorl-grass) is the only species, is a soft, smooth, pale green 

 plant, creeping or floating below, sometimes much branched, 

 1 — 2 feet high ; leaves short, flat, blunt, with inflated sheaths and 

 blunt ligules ; panicle 1 — 4 in. long, pyramidal, with slender, 

 spreading, whorled branches ; spikelets 1 — 3-flowered ; empty 

 glumes very unequal, and both these and the flowering-glume 



