MACLOSKIE: GRAMINE/E. 195 



6. C. LAXIFLORA Phil. 



60 cm. tall, smooth, naked above ; leaves plane, short. Panicle 1 7 cm. 

 long, rather lax, with semi-verticils of 3-5 rays. Glumes 4 mm. long, 

 violet; floral glume half as long, surrounded by soft hairs of its own 

 length ; very shortly awned. 



W. Patagon., Valley of Rio Palena. 



7- C. MAGELLANICA Phil. 



Culm robust, 65 cm. or more in height. Leaves plane, 4 mm. broad, 

 smooth, as are their sheaths; leaves of sterile shoots shorter. Panicle 

 above the leaves, 12 cm. long, contracted, its rays scabrid. Pedicels 

 short. Glumes 5 mm. long, green, hyaline at top ; floral glume truncate 

 and toothed, briefly awned. 



Magellan. 



8. C. MONTEVIDENSIS Nees. 



Root creeping, ringed. Culm simple, smooth, 60-90 cm. tall. Leaves 

 linear, scabrid, the ligules short, round, at length lacerate. Panicle semi- 

 verticillate, spreading, subsecund, apically nodding. Glumes subequal, 

 linear-lanceolate, acuminate, nearly twice as [long as the flower. Floral 

 glume only exceeding the palea ; the hairs as long as the flower or longer. 

 Apical awn exserted. 



N. Patagon. (and Montevideo). 



9. C. (DEYEUXIA) PATAGONICA (Speg.). 



Cespitose, glabrous. Leaves plane, rigid, scaberulous, shorter than the 

 glabrous culm which is sheathed above the middle of the second node. 

 Ligule subtruncate, narrow, scarious, denticulate. Panicle narrow, con- 

 tracted, densely flowered ; rachis glabrous. Rays branching, some 

 shorter, and spiculiferous from their base, others longer and spiculiferous 

 from their middle, scabrid ; pedicels pubescent, not equalling or slightly 

 surpassing the spikelets. Spikelets lanceolate, compressed ; glumes equi- 

 long, acute, i -nerved, lightly carinate, scarcely scaberulous, i -flowered; 

 flower shorter than the glumes ; floriglume acute, entire or scarcely biden- 

 tate, 3-nerved, dorsally scabrous, basally surrounded by villosity fully as 

 long as itself, having a subapical awn as long as itself and longer than 

 the empty glumes ; the very slender produced rachilla half as long as the 

 flower and softly villous especially at its apex. 



