NO. I BROMELIACEAE OF BRAZIL — SMITH 229 



30. Quesnelia Gaud. 



Quesnelia Gaud. Atl. Voy. Bonite pi. 54. 1842. 



Endemic to Brazil. Records from other countries disproved or 

 highly dubious. 



I. Floral bracts subligulate, broadly acute to truncate; inflorescence strobilate, 

 ellipsoid or cylindric; ovary slightly if at all costate; sepals 8-10 mm. long. 

 2. Scape-bracts bladeless, entire or nearly so. 

 3. Upper part of the floral bract uniform and flat ; flowers in about 12 ranks. 



(Fig. 112.) I. Q. arvensis 



3. Upper part of the floral bract with broad white lepidote strongly crisped 

 margins that contrast sharply with the roseate subglabrous flat center ; 



flowers in 6-10 ranks 2. Q. quesneliana 



2. Scape-bracts with subfoliaceous serrulate blades 3. Q. testudo 



I. Floral bracts ovate or lanceolate, acute or acuminate; inflorescence dense 

 or lax. 

 4. The floral bracts entire, without distinction between base and blade. 

 5. Floral bracts dimorphic, the lower large, elliptic, about equaling the 

 flowers, the upper narrowly triangular, surpassed by the sepals ; sepals 

 20 mm. long; inflorescence dense or subdense. 

 6. Scape-bracts large, densely imbricate; inflorescence elongate. 



4. Q. imbricata 



6. Scape-bracts small, barely if at all imbricate ; inflorescence subcorymbi- 



form 5. Q. humilis 



5. Floral bracts uniform or the inflorescence lax. 



7. Inflorescence dense; sepals obtuse, 10-16 mm. long. 



8. Leaves subdensely serrate with spines 4 mm. long; inflorescence 

 cylindric, 15 cm. long; floral bracts cucullate, subcoriaceous. 



(Fig. 1 13.) 6. Q. edmundoi 



8. Leaves laxly serrulate; inflorescence fusiform, 6-8 cm. long; floral 

 bracts straight, membranaceous. 

 9. Floral bracts in 3-4 ranks, the lowest only equaling the sepals; 

 scape-bracts more than half as long as the internodes ; leaves 



rounded and apiculate at least when young 7. Q. lateralis 



9. Floral bracts in 5-6 ranks, the lowest equaling the petals; scape- 

 bracts remote ; leaves acuminate 8. Q. blanda 



7. Inflorescence lax. 



ID. Sepals acute, to 23 mm. long; petals wholly dark blue. (Fig. 114.) 



9. Q. liboniana 

 10. Sepals obtuse, to 17 mm. long; petals green with only the apex blue. 



10. Q. morreniana 

 4. The floral bracts serrate, divided into a reniform base and a distinct nar- 

 rowly triangular blade. 



II. Inflorescence short, dense; sepals to 19 mm. long ii. Q. indecora 



II. Inflorescence elongate, lax; sepals 22-27 mm. long. 



12. Q. augusto-coburgii 



