278 



PATAGONIAN EXPEDITIONS : BOTANY. 



cled ; occasionally all are apically male. Utricle elliptical, short-rostrate, 

 the mouth entire, shorter than the dark, pale-nerved scale. 

 Magellan. 



3. C. APHYLLA Kunth. 



Spike solitary, dioecious ; style trifid. Culms cespitose, terete, rigid, 

 glabrous, sheathed at the base, leafless. Female spike obliquely in- 

 serted, subtended by a spathe-like, ovate-oblong bract. Utricles oblong, 

 compressed, apically narrowed, and acutely bidentate, with ciliolate angles. 

 Stigmas very long. Scales ovate, rounded apically, convex, 3-nerved, 

 hyaline, whitish, dorsally green, pale ferruginous at apex and margin, 

 glabrous, deciduous. Male spike unknown. 



S. Patagon., in moist hills near Rio Carren-leofu. 



4. C. ATROPICTA Steud. 



Style 2-branched. Root woody, stoloniferous. Culm 15-45 cm. high, 

 smooth, leafy at base. Leaves plane, linear, acute, smooth or with rough 



edges, much shorter than the culm. 

 Spikes androgynous, males at base, 

 most of them peduncled, subternate, 

 approximate, subovate ; the scales ob- 

 long, obtuse, brown. Utricles dark- 

 purple, apically whitish, bifid, rostellate. 

 (Argentina) ; S. Patagon. (Nor- 

 densk.) ; Magellan ; E. and S. Fuegia 

 (Dusen). 



5- C. BANKSII Boott. 



Style 3-branched. Culm 45 cm. 

 tall, leafy at base, glabrous. Leaves 

 4-6 mm. broad, not as long as culm, 

 rough on edges and nerve. Spikes 



3 _ 5) black-purple, oblong, basi-CUneate, 



, , , 1 , . 



thlck > eXSGrt > nodding ; the Uppermost 



one androgynous, the others female; 

 Utricle hyaline, whitish, compressed, broad-ovate, ros- 



FlG - 49- 



Carex banksii. Inflorescence ; and (on left) 

 male flower; (on right) female flower and achene. 

 (From flora antarctica.) 



the lowest remote. 



