NO. I BROMELIACEAE OF BRAZIL — SMITH 235 



19. Petals blue on the margins ; leaf-blades 6-17 mm. wide, (Fig. 

 119) 15. B. nutans 



14. Flowers on long slender pedicels. 

 20. Petals blue on the margins ; upper floral bracts minute ; leaf -blades 



6-17 mm. wide. (Fig. 119.) 15. B. nutans 



20. Petals blue at the apex only. 



21. Upper floral bracts minute. (Fig. 120.) 16. B. minarum 



21. Upper floral bracts large, acuminate. 



22. Sepals acute ; leaves concolorous 17. B. lietzei 



22. Sepals broadly rounded and minutely apiculate; leaves marked 



with pale spots i8. B. leptopoda 



13. Inflorescence densely lepidote except for the petals. 

 23. Flowers sessile on the axis or at the ends of very short branches; 

 sepals 10-18 mm. long. 

 24. Sepals 10 mm. long ; inflorescence 20 cm. or longer, pendent, dense. 



19. B. brasiliensis 

 24. Sepals 12-18 mm. long. 

 25. Inflorescence erect or suberect, truly simple with sessile suberect 

 flowers, dense; petals mostly or wholly red. (Fig. 121.) 



20. B. pyramidal is 



25. Inflorescence pendent, generally pseudosimple at the base with 



flowers at the ends of very short branches; petals pale green 



below the apex. 



26. Lower floral bracts bright red, large, ample, concealing most 



of the dense inflorescence; leaves concolorous. 



21. B. morelii 

 26. Lower floral bracts roseate or more often almost white, small, 



narrow ; leaves banded or spotted 22. B. euphemiae 



23. Flowers on long slender pedicels; sepals 20-35 nim. long. 

 27. Leaves concolorous ; axis of the erect inflorescence stout ; sepals 



24-35 mm. long 23. B. macrocalyx 



27. Leaves spotted or banded ; axis of the inflorescence slender ; sepals 

 20 mm. long. 

 28. Inflorescence erect; leaves transversely banded. (Fig. 122.) 



24. B. fosteriana 



28. Inflorescence pendent; leaves spotted 25. B. saundersii 



I. Petals spirally recurved at anthesis ; inflorescence almost always simple ; 



flowers sessile. (Fig. 123.) Subgenus Helicodea 



29. Sepals narrow, triangular or lance-triangular, more or less acuminate, 

 11-20 mm. long. 

 30. Floral bracts all exceeding the ovary, the lowest exceeding the sepals, 



ample ; sepals 15-20 mm. long 26. B. meyeri 



30. Floral bracts shorter than the ovary or the lowest slightly exceeding it ; 

 sepals 11-14 mm. long. 

 31. Epigynous tube 3-4 times shorter than the ovary; sepals nearly or 

 quite equal. 

 32. Inflorescence 3-4 dm. long, lax except near the apex; lower floral 



bracts equaling the ovary 27. B. rupestris 



32. Inflorescence not over 15 cm. long including the petals, subdense; 

 floral bracts all minute 28. B. brachysiphon 



