3H PATAGONIAN EXPEDITIONS: BOTANY. 



I. L. ELEGANS Poepp. 



Panicle of many peduncled, 4-6-flowered umbels. Inner perianth 

 white, outer green. Filaments connate. 



(Chili); by R. O. Cunningham (in Patagonia?). 



2. L. FORMOSA Graham. 



Stem terete, leafy; radical leaves not equalling the stem, smooth- 

 edged. Outer tepals ovate, carinate, greenish at apex ; inner tepals un- 

 guiculate, cordate, retuse ; fruits smaller than the flowers. 



(S. Chili) ; Valdivia. (Fig. in Eng. & Prantl, 1. c.) 



3. SISYRINCHIUM Linn. 



Rhizomatous, slender herbs, with narrow leaves, radical or from the base 

 of the stem, and single terminal spathe, or with additional spathes sessile 

 along the stem. Tepals all similar, often awned. Style-branches filiform, 

 undivided, alternate with the anthers. Capsule ovoid or globular. 



Species 50, chiefly in warm parts of Amer. and stragglers in Austral., 

 Mauritius, Ireland, Bermuda; several in E. U. S. (Fig. in Brit. & Br. i, 



453-) 



A. Dwarf. 



b. Stem low, densely leafy, about I -flowered. humile. 



b. Stemless, with yellow flowers. clarazii. 



A2. Filaments free from near the base. filifolium. 

 A$. Filaments free upwards. Flowers expanded, yellowish. 



b. Scape subcompressed ; leaves grass-like. graminifolium. 



b2. Scape compressed. Tepals, 3 of them with large, dark spots. maculatum. 



3. Scape narrowly winged ; tepals brown-striate. striatum. 



b^f. Stem flat and winged ; tepals brown-striate. patagonicum. 

 A^.. Filaments connate ; flowers expanded, blue or pink to white, with purple stripes. 



b. Stem 2-winged ; tepals subspatulate, retuse, mucronate. chilense. 



b2. Stem 2-edged ; tepals hairy outside. iridifolium. 



3. Stem terete, and leaves terete. Flowers pink. 



c. Stem striate, leafy below. junceum. 



c2. Stem with a leaf some distance below. middletoni. 



3. Stem smooth, naked. roseum. 



I. S. CHILENSE Hook. 



Stem branching, 2-winged. Leaves linear-ensiform, acutish, striate, 

 much shorter than the scape. Spathes linear, acute, usually exceeding 

 the pedicel. Tepals oblong, subspatulate, retuse, mucronate. 



(Trop. Amer.) ; N. Patagon. ; S. Patagon. ; E. and S. Fuegia (Dusen). 



