MACLOSKIE: IRIDACE^E. 317 



obovate, acute, 3 with large, dark, sanguineous spots. Stigmas subulate. 

 Ovary glandular. Herb scarcely exceeding 30 cm. high, with a panicle 

 of several yellow flowers. 



(Chili) ; S. Patagon. ; Fuegia, in dry meadows. 



9. S. MIDDLETONI Bale. (S. roseum Speg., PI. Pat. Aust. 



n. 357, non Ph.) 



Root fibrous, densely tufted, long-cylindrical. Stem slender, terete, 

 erect, a foot long, ending in a single cluster of flowers, with a terete leaf 

 some distance below. Leaves 2-3, slender, terete, half as long as the 

 stem. Spathes i-2-flowered, 25-32 mm. long; valves lanceolate, green, 

 with narrow white edge. Perianth-segments oblanceolate-oblong, 8 mm. 

 long. Filaments connate to the apex in an ampulliform tube. 



S. Patagon., meadows by Rio Sta. Cruz; Golfo de San Jorge; by Rio 

 Chubut. 



IO. S. PATAGONICUM Phil. 



Root-fibers slender. Stem simple, leafless, 12-15 cm - m g n - flat, winged 

 to base, 2 mm. diam. Leaves linear, 2 mm. diam., shorter than the stem. 

 Flowers 2-3 in a cluster. Valves of spathe lanceolate, 25-35 mm. long ; 

 pedicels much shorter. Perianth 8 mm. long, yellow, with brown veins. 

 Filaments 3 mm., connate upwards; anthers small, oblong. 



W. Patagon., by Rio Palena. 



II. S. ROSEUM Phil. 



Stems terete, smooth, 30 cm. high, scarcely 2 mm. thick, naked, pro- 

 duced to a long spathe. Leaves terete, striate, shorter than the scape. 

 Spathes broadly scarious. Pedicels exserted. Flowers pink, 14 mm. long, 

 tepals 7-nerved. Staminal column inflated midway, glabrous, scarcely 

 half as long as the perianth. Ovary villous. 



(Chili) ; Patagon., Golfo de San Jorge. 



12. S. STRIATUM Smith. 



Root-fibers slender. Stems stout, narrowly winged, 45-60 cm. high, 

 bearing 1-2 reduced leaves above, next the inflorescence. Spike or panicle 

 of many diverging sessile clusters ; each 1 2-2O-flo\vered, and subtended 

 by a large ovate bract. Root-leaves 8-10, fine-linear, 30 cm. by 12 mm. 

 Valves of spatJie under 25 mm. ; inner valves numerous, membranous. 



