MACLOSKIE: GRAMINE>E. 231 



27. P. SCABERULA Hook, f. 



Culm 30 cm. tall, slender, scabrid ("almost smooth," Franchet). Leaves 

 few, i o cm. long, setaceous-involute ; sheaths long, scaberulous. Panicle 

 dense, rather secund. Spikelets small; glumes subequal, i-nerved, the 

 floral glume 3-nerved, its keel scabrid above, ciliate below; flowers woolly. 

 Patagon., Chubut; Port Eden; Magellan, E. Fuegia. (Dusen.) "The 

 Chubut specimens are very slender, with long linear spikes." (Speg.) 



28. P. STENANTHA THn. 

 I 



Culms 30-60 cm. tall. Radical leaves narrow-linear ; culm-leaves 3-7 

 cm. by 2-4 mm., ciliate-scabrous on margin ; ligules short, rounded. 

 Panicle lax, 5-15 cm. long, naked below, few-spiculate above. Spikelets 

 2-5(8)-flowered; flowers 4-5 mm. long, rachis flexuous or zig-zag; 

 floral glume linear-lanceolate, with infolded margin, its keel ciliate- 

 scabrous. 



(Siberia; Alaska; Oregon; Chili); Fuegia at Ushuaia. 



29. P. YAGANICA Speg. 



Cespitose, glabrous ; culms 25-90 cm. tall, sheathed halfway or more ; 

 leaves distichous, plicate below, plane above, their ligules long-toothed. 

 Panicle lax, its rays remote, paired, naked downwards; its spikelets 

 lanceolate, compressed, 4-6-flowered. Glumes, the first acute, scabrid, 

 carinate ; the second glabrous ; floral glume cottony at base. 



S. Fuegia. 



53. FESTUCA Linn. 



Mostly tufted perennials, variously paniculate, 

 with pedicellate 2-many-flowered spikelets. The 

 2 empty glumes narrow, unequal, acute, keeled; 

 the first i -nerved, the second 3-nerved; floral 

 glume narrow, rounded on back below, acute, often 

 keeled-awned, faintly 5-nerved; palea nearly as 

 long, sharply 2-keeled. Stamens 1-3. Styles very FIG V 4I 



short. Grain within the glume and palea, partly Festuca> spikeletj with flora i 



adhering. (Fig. 41.) glume on right, and palea on 



Species 80, widespread, chiefly in temperate p^* ***"*** O fter 

 regions. (F. kerguelensis Hook. f. in Kerguelen 

 I., and F. scoparia Hook. f. in N. Zeal, and Antarctic Islands. F. 



