98 IIANDOOK OK IRIDEiE. 



Species of tlie Cape and Tropical Africa. 

 Filaments free. 



Flowers yellow . . . . . . Sp. 13-18. 



Flowers whitish, tinged outside with green Sp. 19-24. 



Flowers lilac Sp. 25-82. 



Filaments mouadelphous .... Sp. 33. 



1. R. BuLBocoDiuM Seb. et Maur. Fl. Horn. 17 ; Reich. Ic. Fl. 

 Germ. tab. 356 ; Moggr. Mentone, t. 93a. I.iia BuJhocodium Linn, 

 ex parte ; Jacq. Ic. t. 271 ; Bot. Mag. t. 2G5. Trichonenio I>ulho- 

 codium Ker. T. cuUimim Salisb. Romulea xdiginosa Kunze. — Corm 

 globose, J in. diam. ; tunics brown. Peduncle simple or divided at 

 the surface of the soil into 2-4 forks 1-3 in. long, much over- 

 topping the flowers. Outer spathe firm, green, f m. long ; inner 

 much shorter, green or scariose. Perianth lilac, with a yellow 

 throat an inch long. Stamens half as long as the perianth ; fila- 

 ments as long as tlie yellow anthers. Style nmch overtopping the 

 anthers ; forks bifid below the middle. 



Hab. Throughout the Mediterranean region. R. pulchella Jord. et Four. Ic. 

 t. 107, tig. 163, R. syrtica Jord. & Four. Ic. t. 1(18, tig. 165, and R. rjrandifiora 

 Todaro, Jord. & Four. Ic. t. 108, fig. 164, are forms nearly allied to the type ; 

 R. flaveola Jord. et Four. Brev. ii. 100, has yellowish white flowers ; Tricho- 

 nema subpalustre Herb, in Bot. Keg. xxx. t. 40, fig. 1, has segments white 

 towards the base, lilac upwards; T.pijUum Herb, in Bot. Eeg. xxx. t. 40, fig, 2, 

 large white flowers with a yellow throat ; T. umbellatum Klatt, 5 — 6 deep lilac 

 flowers on short pedicels and R. crocea Boiss. et Held, and T. nivale Boiss. & 

 Kotschy are alpine forms from Asia Minor with bright yellow flowers tinged 

 with lilac. 



2. R. cLusiANA Baker in Journ. Linn. Soc. xvi. 87. Trichoncma 

 Cluslana Lange Ic. Plant. Nov. Hisp. t. 34. — Corm globose, ^ in. 

 diam. ; tunics hard, brown. Peduncle simple or forked at the 

 base. Leaves about 4, setaceous, curved, ^-1 ft. long. Outer 

 spathe-valve green, |-1 in. long. Perianth 1-li in. long, bright 

 yellow tipped with lilac. Filaments yellow, shorter than the 

 anthers. Style overtopping the anthers ; branches ^ in. long. 



Hab. Cadiz, Gibraltar, and other places in Spain. The type and a white 

 variety have been brought lately into cultivation by Mr. Barr. 



3. R. cRociroLiA Visiani Fl. Dalm. Suppl. 30, t. 2. — Differs 

 from Ii. Bnlbocodiuin by its flatter leaves, furnished with a white 

 central band as in Crocus, and large bright orange-yellow flowers. 



Hab. Dalmatia. 



4. R. ELONGATA Baker in Journ. Linn. Soc. xvi. 87. Ina elonr/ata 

 Vahl. Trichonenia eloiif/ata Ker. — Differs from R. Bidbucodium by 

 its spathe-valves an inch or more long, and perianth-tube half an 

 inch long. 



Hab. Sardinia, in sands of the seashore. Known to me only from Vahl's 

 description. 



5. R. GRANDiscAPA J. Gay in Bourg. PL Can. No. 1073. Tricho- 

 vema rimndiscapum Webb et Berth. Phyt. Can. t. 222. — Corm h in. 

 diam ; tuuics hard, brown. Peduncle sometimes short and simple, 

 sometimes elongated before it forks, with 2-4 short branches. 



