MACLOSKIE : GRAMINE^E. 255 



flower sessile and fertile ; floral glume 3-nerved, with very short awn, upper 

 palea sterile, pediceled. 



Patagon., Chubut, in upland meadows. Beautiful for its ternate 

 spikelets. 



9. E. UNIFLORUS Phil. 



Culm 1 80 cm. tall, 4 mm. thick at its base. Leaves 7 mm. broad. 

 Spike 15 cm. long, slender, green and violet. Spikelets i -flowered, 12 

 mm. long; ghimes n mm., nervose, short-awned. Floral glume ending 

 in a 17 mm. awn. 



W. Patagon., by Rio Palena. 



60. CHUSQUEA Kunth. (of tribe Bambuseai). 



Woody, with leaves often small, articulating on the sheaths. Spikelets 

 i -flowered, variously panicled, the rachilla jointed above the lower glumes, 

 not produced above the perfect, 3-androus flower. Empty glumes 4, the 

 lower pair small or narrow, persisting, the upper pair like the floral 

 glume, which is broad, 5-several-nerved, awnless. Palea as long as its 

 glume, broad, 2-keeled upwards. 



i. C. CULEOU Desv. "Culeou." 



Erect, 3-4 mm. high, terminal culms robust; branches erect, 10-17 cm., 

 fasciculate, many-leaved ; leaves coriaceous, linear-elliptical, mucronate, 

 with five primary nerves, the mid one prominent; ligule ovate-rounded. 

 Panicle 1-2 cm. long, strict, spike-like, i -sided. Spikelets 5-6 mm. long, 

 obtuse ; glumes slightly shorter ; floral glume of the hermaphrodite flower, 

 finely pubescent, 7-nerved, obtuse, mucronulate. 



N. W. Patagon., by Valdivia, common in moist woods. 



2. C. MACROSTACHYA Phil. 



Leaves coriaceous, lance-linear, subulate, attenuate, the same color on 

 both sides, mid-rib prominent. Floral glume setaceous. 

 W. Patagon., by Rio Palena. 



3. C. PALEN^E Phil. 



Branching, 14 cm. high. Leaves herbaceous, glaucous and glabrous 

 underneath, cuneate at base, gradually ending in a long point, with no 

 cross-veins. Floral glume very short, ovate. 



W. Patagon., by Rio Palena. 



