128 HANDBOOK OF IRIUE.E. 



Perianth-segments yellow, under | in. long. Filaments free nearly 

 to the base. Capsule turbinate, the size of a pea. 

 Hab. Mexico ; peak of Orizaba, alt. 12,000 ft., Liehmann. 



30. S. uNGUicuLATUM Griseb. Symb. Fl. Argent. 326. — Stems 

 narrowly winged, ^-1 ft. long, forked, bearing only a reduced leaf 

 from the fork. Koot-leaves narrow linear, half as long as the 

 stem, ^ lin. broad, scabrous on the edge. Spathe-valves lanceolate, 

 ■|— I in. long. Perianth-segments obovate-unguiculate, yellow, |-in. 

 long. Filaments connate to the top in a cylindrical tube ; anthers 

 oblong, small. Capsule ovoid, \ in. long. 



Hab. Argentine republic, gathered by Lorentz and Hieronymus. 



31. S. iRiDiFOLiuM H. B. K. Nov. Gen. i. 323; Lodd. Bot. Cab. 

 t. 1979. S. laxum Otto in Bot. Mag. t. 2312. Marica iridifoUa 

 Ker in Bot. Eeg. t. 646. — Root-fibres slender. Stems 1-1^ ft. 

 long, distinctly winged, bearing 2 or more branches and 2-3 

 reduced leaves. Root-leaves weak, linear, much shorter than the 

 stem. Spathes 4-6-flowered ; outer valves lanceolate, 1-1 i in. 

 long. Perianth -segments oblong-cuspidate, ^ in. long, pale yellow 

 with brown veins. Filaments united in a ventricose column nearly 

 to the top ; anthers small, oblong. Capsule turbinate, ^ in. long. 



Hab. Widely spread in Tropical America. S. Pearcei Philippi in Linniva, 

 xxxiii. 251, is probably a variety of the same species with shorter spathe- 

 valves. 



32. S. CouLTERiANUM Klatt. — Root-fibres long and rather fleshy. 

 Stems broadly winged, 2-3 in. long, bearing a single recurved 

 linear leaf of about the same length from the base, with 1 recurved 

 linear leaf from the middle and bearing 2-4 heads on short 

 peduncles, each with a lanceolate leaf from the base. Spathe- 

 valves ventricose, f in. long. Perianth yellow, ^ in. long. Fila- 

 ments free nearly or quite to the base. Capsule oblong. 



Hab. Mexico ; mountains of Zimapan, Coulter 1.539 ! We have an allied 

 plant with flexuose broadly-winged stems a foot or more long, and longer, less 

 ventricose spathe-valves, of which I have not seen flowers, from Orizaba, F. 

 Muller 1331 ! Bourgeau 2852 ! 



33. S. Mandoni Baker in Journ. Bot. 1876, 269. — Root-fibres 

 densely tufted, short, fleshy, cylindrical. Stems surrounded at tlie 

 base by numerous fine fibres, |-1 ft. long, flattened and broadly 

 winged, branched and bearing 2-3 linear leaves. Spathes 3-4- 

 flowered ; valves lanceolate, f-1 in. long. Perianth-segments 

 oblong, bright yellow veined with brown, ^ in. long. Filaments 

 united at the base only ; anthers large, linear, versatile. Capsule 

 oblong, i in. long. 



Hab. Temperate region of the Andes of Bolivia, Mandon 1217! New 

 Granada, Jurgcmen 387 ! Nearly allied to S. convolutum. 



34. S. CONVOLUTUM Nocca, PI. Select. Hort. Ticin. t. 1 ; Red. 

 Lil. t. 47 ; Willd. Hort. Berol. t. 91. Echthroncma convolutum. 

 Herb. Marica acorifolia Ker. — Root-fibres slender. Stem a foot 

 long, flattened and broadly winged, usually forked, bearing 1-2 

 long leaves. Root leaves weak, linear, shorter than the stem. 

 Spathes an inch long, 3-4-flowered. Perianth-segments oblong, 



