SCLEROCHLOA. CATABROSA. 503 



** Glumes 1- (rarely 3-) veined. 



5. S. rig'ida (Link) ; pan. lanceolate rigid distichous, spike- 

 lets linear acute of 7 10 fl., lower pale blunt with a mucro, 

 upper gl. reaching to the base of the third fl., root fibrous. 

 Fesiucd Kunth. Glycerin Sm., E. B. 1371. P. 43. St. slender, 

 wiry, erect. L. nearly flat, acute. Pan. 1 2 in. long, nearly 

 simple. Lower pale ^faintly veined. Fl. small. Dry places. 

 A. VI. E. S, I. 



6. 8. lolidcea (Woods) ; pan. racemose narrow rigid secund, 

 spikelets oblong of 8 12fl., lower pale blunt with a mucro, upper 

 gl. reaching to the base of the fourth fl., root fibrous. Triticum 

 Sm., E. B. 221. P. 43. Festuca rottboellioides Kunth. St. 

 stout, slightly curved, ascending, 2 6 in. long. L. flat, con- 

 volute when dry. Spikelets usually solitary, alternate, all 

 directed to one side ; footstalks very short and stout. Lower 

 pale with well-marked marginal veins. Sandy sea-coasts. A. 

 VI. VII. E. S. I. 



38. BRI'ZA Linn. Quaking-grass. 



1. B. minor (L.) ; spikelets triangular of about 7 fl., gl. ex- 

 ceeding the lowest fl.< pan. diffuse, ligule long lanceolate acute. 

 E. B. 1316. P. 101. St. very slender, about 1 foot high. 

 Spikelets pale green. Lower pale roundish cordate, cartilaginous, 

 very gibbous in the middle of the back. Dry and sandy fields 

 in the South-west. A. VII. E. 



2. B. media (L.) ; spikelets broadly ovate of a,bout 5 fl., gl. 

 falling short of the lowest fl., pan. diffuse, ligule truncate -eery 

 short. E. B. 340. P. 30. St. slender erect, 1 1| foot high. 

 Panicle light and elegant, with slender branches. Spikelets 

 usually purplish. L. linear-acuminate. Lower pale roundish 

 oval, cartilaginous, not gibbous. Pastures. P. VI. E. S. I. 



[B. max'ima (L.) with few very large ovate many-flowered spikelets is 

 naturalised in Guernsey.] 



39. CATABRO'SA Pal. de Beauv. 



1. C.aquat'icfi(BeaMv.)j pan. long-pyramidal with half- whorls 

 of patent branches, lower pale 3-ribbed, 1. broad linear blunt. 

 E.*B. 1557. P. 20. Creeping. St. long, procumbent or 

 floating below. L. flat. Pan.-branches in alternate threes or 

 fives. Spikelets usually 2- (or 3 5-) flowered. Gl. very 

 thin, often purplish. Fl. distant. )3. minor (Bab.) ; at. 2 3 m. 

 high, spikelets mostly 1-flowered. Ponds and ditches. /3. Wet 

 sea-sands. P. VI. VII. E. S, I. 



