70 PATAGONIAN EXPEDITIONS I BOTANY. 



cally clavate, 7-15 cm. by 5 mm., dense flowered, ending in a nude part, 

 basi-attenuate. Female scales oblong, obtuse, apex white, ciliated. Males 

 shorter and broader. Utricles twice as long as scales, narrow-oblong, 

 obsoletely trigonal, attenuate to a stalk, and above to rostrum. Rachil 

 exceeding the utricle. 



Andes Mts. of Chili, etc., W. Patagonia, Rio Aysen. 



Add Mac!., p. 272 : 



UNCINIA ERINACEA (Cav.). 

 Syn. U. macrotricha Franch. 



Leaves briefly acuminate. Spikelets oblong, not club-shaped. Utricles 

 broad, inflated ; at length divaricate, hispid. Rachil five times the length 

 of the utricle, divaricate. 



Patagonia, Otway, Guaitecas. 



b. SPECIES OF STENANDR^E. 



U. MACROPHYLLA Steud. 



Syn. U. bracteosa Phil., Macl., p. 269. 



Dense-flowered; female scales long-persisting, spikelet thick, 10-15 

 mm. Filaments widened upwards. 



W. Patagonia ; also in Valdivia and Corral. 



U. LECHLERIANA Steud. 



Spikelet 5-7 cm. long, dense-flowered. Scales only 3-7 mm. broad ; 

 filaments filiform, not broadened. Scales purplish to chestnut. 



Magellan ; Fuegia. Var. triquetra Kiikenthal, Rio Condor and Ushuaia. 



U. MACROLEPIS Decne. 



P. 272 : U. Sinclairii Boott. is only a synonym of U. macrokpis Decne, 

 which is the correct name (non U. Lechleri, though Index Kew. favors this). 

 Spikelet only 1-2 cm. long. Rachil twice as long as utricle. 

 Magellan ; S. Fuegia ; also New Zealand. 



U. TENUIS Poepp. 



Lax-flowered ; rhizome stoloniferous. Base of scales long-saccate. 

 Leaves 2 mm. broad, equalling the culm, flat, rigid. Style-base thick- 

 ened ; rachil twice as long as utricle. 



Magellan, Port Famine, Cape Horn ; also in Costa Rica. 



