72 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. I26 



5. Leaf -blades 6 mm. wide ; sepals 4 mm. long 4. N. acaulis 



5. Leaf -blades 15 mm. wide; sepals 19 mm. long... 5. N. angustifolia 



4. Inflorescence subdigitate from numerous short spikes; leaf-blades 



with crisped margins and strongly marked median channel; sepals 



8 mm. long 6. N. crispa 



1. N. caulescens Mart, ex Schult. f. in R. & S. Syst. 7, pt. 2: 1195. 1830. 

 Brazil : Probable, but not yet recorded. 



Colombia: Serra de Araracoara, Martins (M, type). Cerro de Cupati, middle 

 Rio Japura, Ducke (MG, US) ; Schultes 5859 (US). 



2. Navia myriantha L. B. Smith ex R. E. Schultes, Bot. Mus. Leafl. Harvard 



15:41. 1951. 

 Amazonas : Serra Dimiti, upper Rio Negro, R. E. Schultes & F. Lopez 9955 

 (US. type). 



3. Navia lopezii L. B. Smith ex R. E. Schultes, Bot. Mus. Leafl. Harvard 



15:40. 1951. Figure 21. 

 Amazonas : Serra Dimiti, upper Rio Negro, R. E. Schultes & F. Lopez 9956 



(US, type). 

 Also: Venezuela. 



4. Navia acaulis Mart, ex Schult. f. in R. & S. Syst. 7, pt. 2: 1196. 1830. 

 Brazil : Probable, but not yet recorded. 



Colombia: Serra de Araracoara, upper Rio Japura, Martius (M, type). 



5. Navia angustifolia (Baker) Mez in DC. Monogr. Phan. 9: 553. 1896. 



Cryptanthus angustifolius Baker, Handb. Bromel. 15. 1889. 

 Brazil : Probable, but not yet recorded. 

 British Guiana: Marima (Maringma), Appun 1055 (K, type, GH neg. 1373). 



6. Navia crispa L. B. Smith, Phytologia 4:378, pi. i, figs. 1-3. 1953. 

 Amazonas : Rocky ground at foot of serra, Tunui, Rio Iqana, Pires 725 (IAN, 



US). 

 Also: Venezuela. 



II. Tillandsia L. 



Tillandsia L. Sp. PI. 286. 1753. 



Southeastern United States to northern Argentina and Chile. 



I. Stamens equaling the petals or shorter. 

 2. Sepals symmetric, or if slightly asymmetric then ovate or lanceolate and 

 broadest below the middle. 

 3. Stamens appearing in the throat of the corolla; style slender, much 

 longer than the ovary. 

 4. Filaments straight; flowers distichous in all Brazilian species. (Fig. 



23.) 

 5. Stamens only a little shorter than the narrow suberect entire petal- 

 blades Subgenus Allardtia 



6. Inflorescence 3 dm. long or more, laxly paniculate; species of 

 northern and northwestern Brazil. 

 7. Leaf-blades ligulate, broadly acute ; spikes not over 9 cm. long ; 

 floral bracts imbricate, carinate, 2 cm. long i. T. duidae 



