272 PATAGONIAN EXPEDITIONS I BOTANY 



U. PHLEOIDES BRACHYTRICHA Speg. 



Leaves scarcely equalling the culm, plane or plicate, not scabrid. Culms 

 scarcely leafy at base. Awn slightly exsert, 10 mm. long. 

 Patagon., Chubut. 



U. PHLEOIDES LONGISPICA Franchet. 



Culms 30-60 cm. tall, glaucescent. Leaves exceeding 30 cm., by 8 mm. 

 broad. Spike dense, from a linear, attenuate bas'e, with clavate apex, 9-18 

 cm. long. Utricle red-tomentose above. 



S. Patagon., Otway. 



10. U. SINCLAIRII Boott. 



Rhizome stoloniferous. Culm 5-25 cm. high, rather curved, smooth, 

 obtuse-angled. Leaves crowded at base, narrow, plicate. Spike narrow- 

 oblong, 1-2 cm. long, rather dense; male part the shorter ; female scales 

 ovate, obtuse, straw-brown, dorsally many-nerved, margin hyaline. Utri- 

 cle just exceeding the scales, 4 mm. long, ovate, attenuate both ways ; 

 hispid next the short rostrum. Achene ovate, trigonal. Awn yellow, 

 twice as long as the utricle. 



(New Zealand); Fuegia by Rio Azopardo. "The Fuegian plant has 

 taller culm and shorter male part of the spike than the N. Zeal, plant." 

 (Dusen.) 



11. U. TENUIS Poeppig. 



Creeping, slender; culm leafy at base, rough at top. Leaves shorter 

 than culm, linear, rough-edged. Spike slender, lax-flowered, depauperate. 

 Scales ovate, acuminate, i -nerved, the lowest awned, articulate, deciduous, 

 except the saccate base. Utricles elliptical, attenuate both ways, plane or 

 obtuse-angled, glabrous, truncate ; their awn long-hooked, twice the utri- 

 cle in length. 



S. Patagon., by Cabo Negro and Punta Porpesse; Fuegia, Ushuaia; 

 Cape Horn. 



12. U. TRIQUETRA Kiikenthal. 



Rhizome cespitose. Culm 60-70 cm. high, strict, filiform, obsoletely tri- 

 quetrous, scabrid upwards, base covered by brown sheaths. Leaves shorter 

 than the culm, 3 mm. broad, plane, very green. Spike 4-6 cm. long, 

 lax-linear, male part short, scales oblong, obtuse dorsal nerve green, not 

 reaching the apex ; female scales longer, blood-red. Utricles exceeding 



