MACLOSKIE I GRAMINE^E. 22 1 



3. A. PARVIFLORA Hackel. 



Cespitose; culms erect, 4-8 cm. high (besides the panicle), glabrous, 

 having 1-2 nodes near the base. Leaf-sheaths lax, the upper one long, 

 embracing the panicle; ligules 1.5 mm., linear-oblong; the lamince short, 

 15-20 mm., convolute-setaceous. Panicle 8-10 cm. long, ovate, spread- 

 ing, compound, the branches rough. Spikelets linear, 3-5-flowered, 5-6 

 mm. long; empty glumes unequal, ovate-oblong, obtuse; the lower 

 i -nerved, i mm. long, the upper 3-nerved and longer ; floral glume 2 

 mm. long, 5-nerved. Palea as long, 2-toothed, the keels scabrid above. 



E. Fuegia (Dusen). 



4. A. PRESLII Hack. (Catabrosa tenuifolia Presl.) 



Cespitose; cztlms erect, 10-12 cm. high, glabrous. Leaves narrow- 

 linear, canaliculate, rough, shorter than the culm ; ligule exsert, ovate, 

 acute. Panicle spike-like, erect, its rays alternate, fasciculate, rough. 

 Spikelets ovate, 3-flowered, ghunes unequal, ovate, obtuse, the upper twice 

 as large as the lower, and 3-nerved; the floral glume ovate-obtuse, erose, 

 5-nerved, the lateral nerves becoming obsolete. 



(Chili.) 



5. A. PRESLII PUSILLA Hack. 



Forming dense ctishions 3-4 cm. high. Leaves convolute, subcapillary, 

 1-2.5 cm - l n g- Panicle linear, 2-4 cm. long. Spikelets subterminal and 

 subsessile on the ultimate branchlets, small, 3 mm. long, red-violet. 

 Empty glumes small, the lower 0.8 mm. long, nerveless ; the second twice 

 as long, obscurely i -nerved; the floral glume ovate, 1.5 mm. long, entire; 

 palea as long, lanceolate. 



N. and E. Fuegia (Dusen). 



52. POA Linn. Meadow-grass. 



Leaves and panicles various. Spikelets of medium size, usually 2-6- 

 flowered, the rachilla glabrous and articulate between the floral glumes ; 

 floral glumes scarious margined, with 5-connivent nerves, mostly web- 

 tufted at base. Palea slightly shorter. 



Species 100, in temperate and cold regions; rare in the tropics; many 

 in the Andes. 



