Systematik und Pflanzengeographie. 233 



30. Tapeinia Juss. Stem veiy short, bearing a Single 1 flowered spathe. 



Magellan Straits. 1 Specie*. 



Subtribe 4. Ansteae. Rootstock not a bulb nor corm. Perianth 

 with a distinct tube above the ovary. Flowers fugitive, usually more than one 

 to spathe. 



* Perianth-segments unequal. " 



31. Patersonia R. Br. Inner-segments very small. Filaments connate. 



Australia. 18 Species. 



32. Cleanthe Salisb. Inner-segments the largest, obovate. Filaments free. 



Cape. 1 Species. 

 ** Perianth-.segments subequal. 

 ■f Filaments connate. 



33. Symphyostenwn Mier.s. Perianth-tube funnel-shaped. Style-branches 

 spreading, subulate. Cbili and southern Audes. 3 Species. 



34. Chamaeluvi Phil. Perianih-tube slender. Style shortly tricuspidate. 



Chili. "2 Species. 



35. Solenomelus Miers. Perianth-tube slender. Style embranched. 



Chili. 2 Species. 

 tt Filaments free. 



36. Ariatea Ker. Herbaceous, rarely fruticose. Perianth-tube short, 

 cylindrical. Filaments short, subulate, 



Cape, Tropical Africa, Madagascar. 27 Species. 



37. Wttsenia Tliunb. Fruticose. Perianth-tube funnel-shaped, longer than 

 the Segments. Cape. 1 Species. 



38. Klattia Baker. Fruticose. Perianth-tube short, cylindrical. Filaments 

 very long, filiform. Cape. 1 Species. 



Tribe III. Ixieae. Flowers spicate, not fugitive, never more than one 

 to a spathe. This tribe is concentrated at the Cape, but 40, 41, 42, 46, 47, 

 51, 56, 57 extend also to the mountains of Tropical Africa, 50 to Socotra, 

 56 to the medit. region. 



* Style-branches simple. Perianth regulär. Steamens equilateral. 



39. Schizostylis Backh. et Harv. Like Hesperantha, but rootstock not 

 thickened into a corm. 2 Species. 



40. Hesperantha Ker. Style short; branches long, subulate. Spathe-valves 

 green. 26 Species. 



41. Geissorhiza Ker. Style longer than in the last. Branches shorter, 

 subulate. Spathe-valves oblong, green or brownish upwards. 30 Species. 



42. Dierama K. Koch. Style long, with short clavate branches. Spathe- 

 valves laige, entirely membranous. Leaves long, rigid. 2 Species. 



43. Streplanthera Sweet. Style long, with short clavate branches. Spathe- 

 valves membranous. Leaves short, lanceolate. 2 Species. 



44. Ixia L. Style long, with short subulate branches. Outer-spathe-valve 

 •short, emarginate, membranous or chartaceous. 24 Species. 



** Style-branches bifid. Stamens unilateral. 



45. Freesia Klatt. Perianth-tube broadly funnel-sliaped, with .stamens 

 inserted below the throat. Spathe-valves small, green. 1 Species. 



46. Lapeyrousia Poir. Peiianth-tube slender, with stamens inserted at the 

 Ihroat. Ovules many, superposed. 32 Species. 



47. Watsonia Miller. Perianth-tube broadly funnel-shaped above the 

 middle, shore the stamens are inserted. Spathe-valves moderately large, rigid. 



17 Species. 



48. Micj-anthus Pers. Perianth-tube cylindrical, with stamens inserted at 

 the throat. Ovules 2, erect, coUateral. 2 Species. 



*** Style-branches simple. Stamens unilateral and arcuate. 



49. Babiana Ker. Differs from the following genera by its very plicata 

 hairy leaves. Perianth-limb regulär or irregulär. 27 Species. 



* Perianth-limb subregular. 



50. Äridanthera Höchst. Spathe-valves large, green, lanceolate. Perianth- 

 tube subcylindricalj usually very long. 17 Species. 



51. Crocosma Planch. Spathe-valves short long. Perianth-tube subcylindrical. 

 <:;apsule inflated, deeply 3 lobed. 1 Species, 



