316 PATAGONIAN EXPEDITIONS I BOTANY. 



6. S. IRIDIFOLIUM (Humb. & Bonpl.) Kunth. (S. laxtim Link.) 



Stem branching, leafy, 2-edged ; its edges and the leaf-edges scabrid. 

 Spathes terminal, glabrous ; peduncles geniculate. Tepals ochroleucous, 

 hairy below externally. Stamina! column inflated, bearded below. Ovary 

 pubescent; capsule glabrous. 



(Caraccas to Chili); Magellan ; Fuegia (Speg.). Often confounded with 

 S. chilense. "N. Patagon." (Lor. & Nied.) 



S. IRIDIFOLIUM MAJUS. (S. laxum var. major.] 



Stem bifid. Leaves and tepals broader. Spathes and bracts scaberulous 

 above. 



W. Patagon., in Chonos Archipelago. 



S. IRIDIFOLIUM MINUS. 



Stem simple. Leaves narrower, glabrous. Tepals narrower. 

 Magellan. 



7. S. JUNCEUM Meyer. (S. gracile Phil., S. jnnciforme Poepp.) 



Glabrous. Stem terete, striate, one third way leafy. Leaves terete, 

 striate, shorter than the scape. One valve of the spathe long, straight. 

 Flowers in a lateral fascicle, pink ; tepals lanceolate, acute, 3-5-striate. 

 Stamina! column inflated. Stigmas small, dentiform. Capstile oblong. 



(Andes); Fuegia, Navarino I., Ushuaia; Patagon., Chubut; Valley of 

 R. Gallegos (Nordenskj.); R. Sta. Cruz. 



S. JUNCEUM BREVISPATHUM (O. KtZC.). 



About 30 cm. high ; few-flowered. Spathe scarcely exceeding the inflo- 

 rescence. 

 Patagon. 



S. JUNCEUM FLORIBUNDUM Phil. 



To 60 cm. high ; many-flowered. Spathe scarcely exceeding the inflo- 

 rescence. 

 Patagon. 



S. LEUCANTHUM Colla (see S. filifoliuni}. 



8. S. MACULATUM Hook. 



Stem leafy, ancipitally-compressed. Leaves linear, ensiform. Pedicels 

 as long as the spathe, white-membranous, acuminate. Perianth- segments 



