TILLANDSIA. 



159 



Subgenus Anoplophytum (Beer). 



Leaves linear-subulate. 



Spikes simple . . . . Sp. 167-171. 



Spikes panicled . . . . Sp. 172-173. 

 Leaves lanceolate- acuminate. 



Spikes simple . . . . Sp. 174-179. 



Spikes panicled . . . . Sp. 180-183. 



Leaves lanceolate-acute , . . Sp. 184. 



Subgenus Pityrophyllum (Beer) . . Sp. 185-188. 



Subgenus Allardtia (Dietr.) 



Spikes simple .... Sp. 189-194. 

 Spikes panicled . . . . Sp. 195-233. 



Subgenus Wallisia (Regel) . . . Sp. 234-236. 



Subgenus Vriesea (Lindl.) 



Spikes simple, dense . . . . Sp. 237-253. 

 Spikes simple, lax. 



Spikes erect ; flowers erecto-patent Sp. 254-270. 



Spikes erect; flowers spreading or 



deflexed Sp. 271-276. 



Spikes drooping . . . . Sp. 277-278. 

 Spikes panicled. 



Flower-bract about as long as calyx Sp. 279-292. 



Flower-bract shorter than calyx . Sp. 293-305. 



Subgenus Cyathophora (K. Koch). 



Spikes simple Sp. 306-313. 



Spikes panicled ..... Sp. 314-315. 



Subgenus Conostachys (Griseb.). 



. Sp. 316-318. 

 Sp. 319-323. 



Spikes simple 

 Spikes panicled 



Subgenus 1. Strepsia (Nuttall). 



1. T. usNEoiDEs Linn. Sp. Plant. 411 ; Hook. fil. in Bot. Mag. 

 t. 6309 ; E. Morren in Belg. Hort. 1877, t. 17 (M.D.).— Stems 

 densely csespitose, filiform, flexuose, pendulous, reaching a length 

 of 15-20 ft. Leaves distant, spreading, subulate, 1-3 in. long, 

 densely clothed like the stem, with lax silvery lepidote scales. 

 Flowers generally solitary, sessile in the dilated ovate bases of the 

 leaves. Calyx ^ in. long ; sepals oblong-lanceolate, naked, pale 

 green. Petals yellow ; blade Ungulate, ^-^ in. long. Stamens as 

 long as the calyx. Style short. Capsule about an inch long. 



