280 



PATAGONIAN EXPEDITIONS : BOTANY. 



C. CANESCENS CURTA Good. 



Leaves shorter than the slender, stiff culm. Utricle under 2 mm. long, 

 beaked, equalling the scales. (Is probably C. similis d'Urv.) 

 (Eur. ; N. Amer.); Magellan; Falklands. 



C. CANESCENS ROBUSTA Blytt. 



Magellan; E. and S. Fuegia. (Dusen.) 



10. C. CAPITATA Linn. 



Styles bifid. Root cespitose, fibrous, creeping. Culm 12 cm. high, 

 slender, smooth, trigonal. Leaves shorter, subfiliform, rigid. Spike sub- 

 globose. Utricles ovate-acuminate, glabrous, compressed, longer than the 

 round-ovate scale. Rostrum whitish. 



11. C. DARWINII Boott. 



Style 2-cleft. Culm stout, tall, glabrous, leafy at base. Leaves 6-8 

 mm. broad, serrate-scabrous on edge and keel. Bracts leafy, exceeding 



the culm. Spikes'&-i2, ferruginous, cylin- 

 drical, peduncled, nodding; the upper 2 

 male ; the others female, in 2's and 3*5. 

 Utricle elliptical, rostrum short, mouth 

 entire, broader than the lanceolate-acumi- 

 nate scale. (Fig. 50.) 



Chonos Archip.; Patagon.; Magellan.; 

 N. and W. Fuegia. (Dusen.) 



FIG. 50. 



Carex darwinii, showing spike and female 

 flower. (From Flora antarctica. ) 



12. C. DECIDUA Boott. 



Style 2-cleft. Culm 30 cm. high. 

 Leaves longer, 2-3 mm. broad, glabrous 

 except the edges. Spikes 4-7, black-purple, erect ; the uppermost andro- 

 gynous, males at base, or also at top; the others female. Upper spikes 

 sessile, contiguous, oblong ; lower cylindrical ; lowest short-peduncled, 

 remote. Utricle oblong-ovate, rostellate, its mouth entire ; exceeding the 

 oblong dark scale. 



(Califor.); Magellan.; Fuegia; Falklands. 



C. DECIDUA MINOR Kukenth. 

 Patagon.; E. Fuegia. (Dusen.) 



