MACLOSKIE : IRIDACEyE. 319 



Differs from S. patagonictis Speg. by its rough stem and leaves, and its 

 broad, less pointed tepals. 



S. Patagon., at 600 m. elevation. O. Nordenskj. 







3. S. ODORATISSIMUS (Lindl.) Miers. 



Flowers larger than in S. patagonicus, and perigonial tube sherter. 

 Patagon., Golfo de San Jorge, RR. de Sta. Cruz et Gallegos ; Gregory 

 Bay. 



4. S. PATAGONICUS Speg. 



Glabrous. Roots fascicled. Leaves narrow, shorter than the stem, 

 callous-mucronate. Flowers numerous, pediceled, somewhat salver- 

 shaped and nutant ; the lobes erect, ovate, apiculate, marked by 5 longi- 

 tudinal, rather broad dark purple lines, exceeding the slender, cylindrical 

 tube. Scape 15-25 cm. high, bearing a single leaf above the middle, 

 also 2 apical bracts, mutually embracing. Ovary obconical-turbinate, 4 

 by 2.5 mm. Flowers smaller than in S. bifloms, but their tube longer. 



Patagon., on sandy plains by Golfo de San Jorge. 



5. S. SEGETHI (Phil, sub Susarium}. 



Rhizome and stem creeping. Leaves terete, hollow, rigid, equalling the 

 scape, 24 cm. high. Flowers subsessile, fascicled, violaceous. Flower- 

 tube very narrow, filaments united. Ovary lanceolate. Seeds winged 

 above and below. 



(Chili) ; Patagon., in dry meadows by Teka-choique and Carren-leofu. 



5. TAPEINIA Juss. 



Low, cespitose perennials, with fibrous roots, crowded, distichous, linear 

 leaves, and terminal scape with I -flowered pedicel which scarcely exceeds 

 the leaves. Perianth bell-shaped, with the tube almost wanting, its tepals 

 ovate, the inner narrower. Filaments united below. Style filiform, its 

 branches subulate. Capstde globular, 3-furrowed, dehiscing at the apex. 



The only species. 



T. MAGELLANICA (Lam.) Ker. 



Leaves subulate, canaliculate, rigid. Flowers small, whitish-yellow 

 (Fig- 57)- 



