284 



PATAGONIAN EXPEDITIONS '. BOTANY. 



continuous, dense, 25 mm. long, androgynous, male at the top ; with two 

 leafy rcflexed bracts. Female scales broad, acute, keeled, mucronulate. 

 Utricle longer than the scale, plano-convex, with long 2-toothed rostrum. 

 Achene lenticular-oval. 

 (Brazil) ; N. Patagon. 



24. C. KURTZIANA Ktikenth. 



Spikelets numerous, sexually mixed, apically male, subse'ssile, crowded 

 in an ovate-triangular head. Utricle 3 mm. broad, membranaceous, gla- 

 brous, ovoid, winged, subversely thick, stiped. Culm thick and smooth. 



S. Patagon. ; in moist hills by Carren-leofu. Very variable. 



25. C. LECHLERI Phil, (non Steud.). 



Style 2-cleft. Culm 30 cm. high, trigonal, naked above. Leaves much 

 shorter. Spikes 4, approximate, ovate, erect ; the uppermost one 

 androgynous, apically male ; the others female, 7 mm. long ; the lowest 

 peduncled. Bract scarcely sheathing, not as long as the spike. Scales 

 ovate, acute, castaneous, their midnerve green. Utricle compressed, obo- 

 vate-oblong, spinulose-ciliate, rostrum short. 



Magellan. 



26. 



Style 



C. LEPORINA Linn. " (C. macloviana d'Urv., C. ovalis Good.) 

 2-branched. Culms 30-45 cm. tall, slender, erect, rough above. 

 Leaves shorter, 2 mm. broad, flat. Bracts very short, 

 scale-like or none. Spikes 4-7, oblong, male at base, 

 10 by 6 mm., clustered in a terminal oblong head. 

 Utricle ovate-lanceolate, wing-margined ; its rostrum 

 tapering, long. Scales lanceolate, acute, brown, shorter 

 than the utricles. 



(Eurasia; N. Amer. ; Chili); S. Patagon., by RR. 

 Gallegos and Sta. Cruz; Falklands. 



27. C. MAGELLANICA Lamk. 



Cartx ' magellanica. S ^ e 3- brancned - Root from WOody fibers. Culm 



Spike, female flower and 2O cm. high, slender, filiform upwards, rough. Spikes 



achene. (From Flora ^_^ androgynous, male at their base, dark-purple, 

 antarctiea,) . . . , . ,. . , 



oblong, peduncled, nodding, bracteate, or the lowest 



sheathed. Utricles suborbicular, stipitate, mouth of rostrum entire ; half 

 as long as the long scale. (Fig. 52.) 



