NO. I BROMELIACEAE OF BRAZIL — SMITH 47 



i6. Inflorescence lax, its axes glabrous 13. P. anthericoides 



16. Inflorescence dense, densely pale-flocculose 14. P, ulei 



15. Inflorescence simple. 



17. Sepals alate-carinate ; leaves dimorphic, the larger ones with 



serrulate petioles 15. P. ensif olia 



17. Sepals ecarinate. 



18. Scape-bracts all exceeding the internodes; sepals acuminate; 



petals white 16. P. suaveolens 



18. Scape-bracts shorter than the upper internodes ; sepals broadly 



acute or obtuse. 



19. Sepals not more than 15 mm. long; leaf-blades 5-8 mm. wide. 



20. Leaves dimorphic, the blades of the larger ones deciduous ; 



petals red 17. p. torresiana 



20. Leaves all alike, all persistent; petals white. 



18. P. bradei 

 19. Sepals to 30 mm. long; leaf -blades 11-22 mm. wide. 



21. Sepals obtuse ; seeds caudate ; leaf-blades 16-22 mm. wide. 



19. P. subpetiolata 

 21. Sepals acute; seeds alate; leaf -blades 11 mm. wide. 



20. P. platypetala 

 14. Leaf -blades lanceolate to elliptic-oblong, 3.5-18 cm. wide; seeds nar- 

 rowly winged; species of the Amazon Basin. 

 22. Leaf-blades entire, broadly rounded and apiculate, to 18 cm. wide ; 

 scape-bracts all much shorter than the internodes. 



21. P. undulata 

 22. Leaf-blades serrulate toward the apex, acuminate, not over 9 cm. 

 wide; scape-bracts exceeding at least the upper internodes. 



22. P. sprucei 

 2. Fruit indehiscent, pseudocapsular ; inflorescence simple; species of the 

 Amazon Basin. (Figs. 10, 11.) 

 23. Larger part of the ovary superior. (Fig. 10.) 

 24. Scape elongate, slender ; inflorescence lax ; pedicels 20 mm. long. 



23. P. uaupensis 



24. Scape very short or none; inflorescence dense; pedicels not more 



than 2 mm. long 24. P. aphelandriflora 



22,. Larger part or all of the ovary inferior. (Fig. 11.) 



25. Ovary in small part superior; pedicels evident, slender. 



26. Leaf-blades distinctly petiolate, 25-30 mm. wide, reddish-lepidote 

 beneath; inflorescence subdensely many-flowered; pedicels 15-40 



mm. long; sepals 22-26 mm. long 25. P. amazonica 



26. Leaf-blades only slightly narrowed at base, 6-13 mm. wide, pale- 

 lepidote beneath; inflorescence laxly few-flowered; pedicels 5- 



10 mm. long ; sepals 15 mm. long 26. P. caricifolia 



25. Ovary wholly inferior; pedicels almost wholly lacking. 



27. P. anomala 



I. Pitcadrnia maidi folia (C. Morr.) Dene, ex Planch. Fl. des Serres 9: isr, 

 pi. 915. 1854. 

 Puya matdifolia C. Morr. Ann. Soc. Agr. Hot. Gand 5 : 453, pi. 289. 1849. 

 Puya funckiana Linden, Catal. 5 : 2. 1850. 

 Pitcairnia funckiana A. Dietr. Allg. Gartenz, 19:337. 1851. 



