MACLOSKIE : CYPERACE^E. 



269 



AT,. Scabrid. 



b. Culm 30 cm., leafy below, rough above. Leaves shorter, linear. Spike lax, depauperate. 

 Scales marginally white-hyaline, glabrous. Awn-protrusion twice as long as utricle. 



tenuis. 



l>2. Culm 36 cm. tall, leaf-remains at base. Leaves as long, flat. Spike with 3 bracts. Scales 

 pale-fuscous, 7-nerved. Utricle lanceolate, glabrous. Style thickened at base. 



bracteosa. 



3. Culm 60 cm., filiform, sheathed at base. Leaves shorter, flat. Scales sanguineous. 

 Awn-protrusion as long as the utricle. triquetra. 



I. U. BRACTEOA Phil. 



Culm 36 cm. tall, scabrid above, base with remains of old leaves ; 

 leaves as long, 4 mm. broad. Spike oblong, 40 by 15 mm., lax, with 3 

 involucral leaves, one of these 3 times its length. Female scales spread- 

 ing, lance-ovate, the lowest 10 mm. long, pale-fuscous, dorsally green, 

 7-nerved. Utricle lanceolate, glabrous. Achene ovate-oblong, truncate ; 

 style thickened at base. 



Smith Channel of W. Patagon. 



2. U. CYLINDRICA Franchet. 



Culm 90 cm. tall, slender, smooth ; leaves large and flat, 6 

 mm. broad. Spike 10 cm. long, slender, cylindrical, shortly 

 male at the obtuse apex. Scales firm, concave-ovate, gla- 

 brous, white-margined upwards. Utricle oblong-fusiform, 

 obtuse, many-nerved on the convex back, ventrally plane, 

 pilose at top and on margins, equalling the scale, 5 mm. ; 

 awn a half longer. (Fig. 47, right side, p. 271.) 



Fuegia, Molyneux Harbor, in woods. 



3. U. KINGII Boott. 



Cespitose, root creeping; culm 8 cm. high. Spike capi- 

 tate, naked. Utricle lanceolate, narrowing upwards, its Sp ikeTnd SP Te'- 

 mouth truncate, obliquely cleft, its surface ferruginous, let showing its 

 smooth, exceeding the pale-nerved lanceolate scale. Awn scale, utricle, and 

 half longer than utricle. (Fig. 46.) 



W. Magellan, S. Fuegia, alpine by Rio Grande on Beagle 

 Ch. (Dusen) ; at Port Cook (Speg.). 



