SISYRINCHIUM. 127 



seen S. arizo)iicum EoUirock, from Arizona, which must be either the same or a 

 near neighbour. 



25. S. BOGOTENSE H, B. K. Nov. Gen. i. 323. Marica boffoteiisis 

 Ker. — Eoot-fibres slender. Stem simple, leaHess, distinctly winged, 

 3-5 in. long, Vj in. diam. Leaves linear, 2-3 in. long, ,'i in. broad. 

 Spathes 2-4-flowered ; outer valve ^ in. long. Perianth small, 

 yellow. Column of filaments very short. Capsule the size of a 

 pea. 



Hab. Andes of Bogota. First gathered by Humboldt. May be only an 

 alpine variety of S. tincturium. 



26. S. TiNCTORiuM H. B.K. Nov. Gen. i. 324. .S'. thujcns Steud. 

 S. rifi'ulum Lehm. Marica tlnctoria Ker. — Root-fibres long and 

 slender. Stem simple, leafless, l-2ft. long, ^-^ in. diam., broadly 

 winged throughout. Root-leaves many, weak, linear, shorter than 

 the stem. Spathe 4-10-flowered ; outer valve lanceolate, H-2 in. 

 long, the next shorter. Perianth-segments oblong, ^ in. long, 

 yellow veined with brown. Filaments ^ in. long, free down to the 

 base ; anthers versatile. Capsule turbinate, ^ in. long. 



Hab. Andes and mountains of Mexico. The whole plant, especially the 

 fruit, stains paper purple. Both this and S. acre are closely allied to .S'. 

 californicum. 



27. S. MicRANTHUM Cav. Diss. vi. 144, t. 191, fig. 2 ; Ker in Bot. 

 Mag. t. 2116. S. micranthuiii. Pers. Marica iidcrantha Ker. — 

 Densely tufted. Root-fibres very slender. Stems 3-6 in. long, 

 flattened and narrowly winged, brtmching from low down and bear- 

 ing several peduncled clusters and several linear leaves. Spathes 

 2-6-flowered ; outer valves lanceolate, -I- 1 in. long ; pedicels ex- 

 serted, very slender. Perianth pale yellow, ^-^ in. long. Fila- 

 ments united to the top in a cylindrical column ; anthers small, 

 oblong. Capsule globose, ^ in. diam. 



Hab. Widely spread in Tropical America and naturalised in Australia near 

 Port Jackson. I cannot separate specitically the Chilian S. valdivianuni 

 Philippi. 



28. S. TENUiFOLiuM Humb. et Bonpl. in Willd. Hort. Berol. t. 

 92 ; Bot. Mag. t. 2117, 2313. -S. Hartwe(jii Baker. Marica tenuifolia 

 Ker. EchthruncDia tcnuifulia Herb. — Root-fibres fleshy, cylindrical. 

 Stems slighty ancipitous, 3-12 in. long, often branched low down 

 and bearing several heads, with reduced leaves from the base of the 

 peduncles and sometimes 1-2 lower down. Root-leaves subterete 

 or narrow linear, weak, shorter than the stem. Spathes ventricose, 

 3-4-flow^ered ; outer valves ovate-lanceolate, i-f in. long, with a 

 distinct white border. Perianth-segments oblong, pale yellow, 

 •^ in. long. Filaments connate at the base, free above it ; anthers 

 linear, ^ in. long. Capsule oblong, ^ in. long. 



Hab. Mountains of Mexico, ascending to 10,000 ft. S.toluicense Peyritsch 

 in Linnjea, xxx. 18, is probably a form of this species. 



29. S. QUADRANGULATUM Khitt in LinnsBa, xxxii. 284. — Root- 

 fibres rather fleshy. Stem simple, erect, 1-H ft. long, 4-winged, 

 bearing 1-2 reduced leaves. Radical leaves narrow linear, rigid, 

 6-9 in. long, -J-.j in. broad. Spathe valves lanceolate, h-] in. long. 



