194 



Leaves either not linear or mostly not more than 

 1 ft. long, but varying from ^-2 ft. long: — 

 Stem usually evident, 1-5 in. high, leaves very 

 concave, ^1^ in. broad, not very flexible, 

 with subulate green points, mostly 

 1^-3 in. long, variegation distinct ; lower 

 flowers in pairs 33. parva 



Stem none or scarcely evident (in S, Dooneri 

 sometimes 1-2 in. high, but concealed by 

 the leaf-sheaths) ; leaves flattish or but 

 slightly concave : 

 Leaves usually numerous, but varying from 

 4-20 to a growth, ^-2 ft. long: — 

 Leaves ^^-1^ in. broad, with subulate green 

 points ^2 in. long ; flowers 2 or more 

 in a cluster : — 



Leaves erect or sub-erect, nearly straight, 

 stiff, very distinctly marked with sub- 

 regular light green and dark green 

 transverse bands and several longi- 

 tudinal dark green lines on the back 31. grandicuspis 



Leaves recurved-spreading, flexible, indis- . 

 tinctly and very irregularly trans- 

 versely banded, without dark gi'een 

 longitudinal lines on the back ... 32. Dooneri. 



Leaves 1-2^ in. broad, firm or sub-flexible, 

 Avith subulate green points 2-3 lin. 

 long, deep green, but obscurely varie- 

 gated when young ; flowers usually 

 solitary, sometimes in pairs, tube 

 14-15 lin. long ... ... ... 35. suhspkata. 



Leaves about 5 to a growth, 6-10 in. long, 

 i-1^ in. broad, with subulate green points 

 2-4 lin. long, transversely banded ; flowers 



tube 19-21 lin. lon^r 34. concinna. 



-ttLeaves of adult plants 1-4 in. broad, usually mor. 



than 1 ft., and up to 4^ ft. long, 1-8 to a 



growth, flat or concave, strap-shaped or lanceo- 

 late to elliptic: — 



Leaves brightly and very conspicuously variegated 

 with light green or whitish-green and dark 

 green transverse bars at all ages, and some- 

 times striped with yellow. (In 40, S, jasciata, 

 the young leaves also have green edges) : — 



Pedicels 3^-6 lin. long, with the" persistent 

 Ppi^J 2-5 Im, long ; flower with a tube 

 4i~5 hn. long, and lobes 5^--& lin. long ... 38. nilotica. 

 Pedicels 21-4 lin. long, with the persistent 

 P^jt 1-2 hn. long; flow^er with a tube 

 3-6 hn. long, and lobes 7-^ lin. long ... 39. trifasciatck, 

 Leaves either rather inconspicuously or at least 

 not brightly variegated with pale green and 

 darker green transverse bars or cloudings ot 

 entirely green: — 



Flowers mostly solitary, sometimes in pairs, 

 tube 11-14 hn. long ; pedicels ^-1 lin. ionc. ■ 

 leaves ^2 ft. long, 1-3 in. broad ... T.. 36. suUpicata. 

 Ion '"^ "" cluster; pedicels 2-4 lin. 



Tube of the flower 13-14 lin. lon^r; leaves 



-6-4 It, lonff ... 



'to > 



• • . . • 



44. metallicavn 



longituha. 



