1 88 PATAGONIAN EXPEDITIONS I BOTANY. 



to cm. by 3-4 mm. (of the innovations narrower). Panicle ovate, 12 cm. 

 long, lax, the branches in 2-4*5 ; naked below. Spikelets crowded above, 

 lanceolate, 3 mm. long, violet and yellowish. Ghimes equal, lanceolate, 

 i -nerved, keel rough ; floral glume two thirds as large, oval, round-trun- 

 cate, 5-nerved, awnless ; palea one third as long, nerveless. 

 South Fuegia. (Dusen.) 



15. A. KUFUIM Speg. 



Cespitose, glabrous, perennial ; long, naked culms 20-40 cm. tall, and^ 

 with subfiliform leaves, which are short, convolute, striate, having ovate 

 rather long ligules. Panicle long, lax, the rays subtrichotomous, apically 

 spiculiferous. Spikelets ovate, minute, glabrous. Glumes not keeled ; 

 floral glume with a short caducous awn ; flowers not bearded at base. 



S. Patagon.; Fuegia. 



1 6. A. LECHLERI Steud. 



Pale green. Culms jointed, erect, glabrous. Leaf-sheaths as long as 

 the internodes, lax, glabrous ; ligule exserted, hyaline, toothed or cleft ; 

 leaf-blades lanceolate, acute, margin rough. Panicle long, contracted, from 

 upper leaf; rays 2-3-nate, pedicels long, i-spiculate. Glumes subequal, 

 ovate-lanceolate, cuspidate, exceeding the flower; floral glume bifid, 

 dorsally awned ; palea similar except the awn. 



N. W. Patagon., by Valdivia. 



17. A. MACRANTHERA Phil. 



Culm 45 cm. long, leafy to the top, smooth. Panicle contracted ; 

 pedicels equalling the spikelet, 4 mm. long ; glumes subequal, acuminate ; 

 floral glume i mm. long, ending in a long awn, 4 mm. 



W. Patagon., by Rio Palena. 



1 8. A. MAGELLANICA Lam. 



Cespitose, glabrous. Culms simple, 30-60 cm., rough below. Leaves 

 plane, long linear-lanceolate, gradually narrowing; ligule oval-lanceolate. 

 Panicle long, lax, erect, nodding or inclined, its branches scabrid ; glumes 

 rather large, equal, glabrous or finely pilose, three times as long as the 

 flower, which is bearded at the base ; floral glume 4-toothed, 5-nerved, 

 awned midway on back ; palea half as long. 



