254 PATAGONIAN EXPEDITIONS : BOTANY. 



E. ANTARCTICUS FULVESCENS Kurtz. (E. valdivice Steud.) 

 Spike beautifully fulvescent ; sheaths of the lower leaves pilose. 

 Magellan ; Fuegia ; Navarino I. 



5. E. CHUBUTENSIS Speg. 



Cespitose. Culms stout, 30-60 cm. tall, sheathed to the top, flaccid ; 

 sheaths glabrous ; ligules very short, denticulate ; limbs membranaceous, 

 mediocre, subglaucescent, glabrous, scarcely subscabrous. Spike narrow, 

 erect, 5-10 cm. long; spikelets paired; glumes narrow-lanceolate, acute; 

 flowers 4-5, the lowest sessile, the others pediceled, the three lower fertile 

 and with an awn not their own length ; the uppermost one awnless and 

 abortive. 



Patagon., Chubut, in upland meadows. 



6. E. LEPTOSTACHYUS SpCg. 



Cespitose, slender, 60-80 cm. tall ; lower sheaths pubescent, others gla- 

 brous, more or less elongate ; ligule very short, denticulate ; limbs mem- 

 branaceous-rigid, linear, puberulous on both surfaces ; culms long, leaf- 

 sheathed half-way, mostly naked above. Spike very narrow, 4-8 cm. 

 long, erect ; spikelets paired ; glumes shortly mucronate-awned ; flowers in 

 each spikelet three, the first sessile and fertile, the second pediceled and 

 fertile, the uppermost pediceled and sterile ; floriglumes of the fertile flow- 

 ers with an awn not their own length. 



Patagon., Chubut in meadows near woods, etc. 



7. E. PALEN/E Phil. 



Culm sheathed to the top ; sheath smooth ; leaf-blades scabrid below, 

 over 4 mm. broad, complicate. Spike 18 cm. long, 9 mm. broad, green. 

 Spikelets 18 mm. besides the awn, 5-flowered; glumes 10 mm., awn 5 

 mm.; floral glume with awn of 25 mm. length. 



W. Patagon., by Rio Palena. 



8. E. PATAGONICUS Speg. 



Cespitose, slender ; sheaths short, glabrous ; ligules very short, denticu- 

 late ; leaf-limbs rigid, rather broad ; pubescent on upper surface, rigid on 

 lower surface. Ciilms long,, naked. Spike linear, erect, 5-8 cm. long, 

 with spikelets in 3*5, each 2-flowered ; glumes scarcely mucronate ; one 



