202 



PATAGONIAN EXPEDITIONS : BOTANY. 



rays fasciculate, smooth; its rachis pilose-hoary. Spikelets 6 mm. long, 

 smooth. Floral glume 4-toothed, its awn mid-dorsal, equalling its own 

 length. 



(Chili) ; Fuegia. 



8. D. KINGII (Hook. f.). (Aim kingii.} 



Tall, 60-120 cm., glabrous; culms cespitose, with 2-3 nodes. Leaves 

 narrow-linear, striate, their margin involute ; ligules oblong, scarious- 

 white. Panicle long, lax, the rays whorled. Glumes white, lanceolate, 

 3 times as long as the flowers ; floral glumes silky-bearded at base, trun- 



FIG. 38. 

 Deschampsia kingii. Panicle, reduced ; also enlarged spikelet and essential organs. 



cate, 3-nerved, the mid-nerve produced as a straight awn. (Trisetum 

 dozei Franch. is probably the same, fide Speg.) (Fig. 38.) 



Magellan; W. Patagon.; Fuegia, everywhere in elevated meadows. 



9. D. MARTINI Phil. 



Cespitose, glabrous, 20 cm. high ; leaves convolute-setaceous. Panicle 

 many-flowered, ovate or pyramidal, rather compact, 6 cm. long, 3-5 rays 

 in semiwhorls. Spikelets fully 5 mm. long, on short pedicels. Glumes 

 violet at their base ; rachis glabrous ; floral glume 4-toothed, its awn 

 flexuous, exserted 3 mm.; palea as long. 

 Falklands. 



10. D. PARVULA (Hook. f.). (Aira parvula.} 



Cespitose; culms erect, 7-12 cm. high, often divided, leafy. Leaves 

 shorter, setaceous ; ligules long, scarious-tipped. Panicle contracted, few- 

 flowered, its rays short and spikelets erect. Glumes lanceolate, acuminate, 

 3 times as long as the flowers ; floral glume broad-ovate, basi-bearded, 



