226 Systematik u. PflanzengeograpLie. 



Petals iisuallj not niuch longer than the sepals, scaled at 

 tlie base. Througli tiopical America. 128 Arten. 



18. Billberf/ia Thumb. Intlorescence panicled or spicate. Sepals 

 and flower-bracts not mucronate. Petals much longer than 

 tlie sepals, scaled at the base, with lilaments attached to their 

 base. — Tropical South America. 40 (46) Arten. 



19. Quesnelia Gaudicli. Inflorescence spicate, usually strobiliform. 

 Sepals obtuse. Petals twice as long as the sepals, with 

 stamens attached half-way up. — Brazil and Guiana. 

 12 Arten. 



Tribe II. Pitcairnieae. Fruit a 3-valved capsule. Seeds 

 not furnished witli a funiculus that split? up into fine threads. Leaves 

 with or without prickles. 



* Capsule free only near the tip. '*'■ 



20. Brocchinia Schultes f. Petals not longer than the sepals. 

 Leaves lorate, glabrous, entire. Guiana and Brazil. 3 Arten. 



21. Bakeria Ed. Andre. Petals much longer than the sepals. 

 Leaves ensiform, acuminate, lepidote. ■ — Columbia (im Text: 

 wahrscheinlich Brasilien). 1 Art. 



* * Capsule free, except near the base. 



22. Pitcairnia L'Herit. Petals much longer than the sepals. 

 Capsule septicidaily 3-valved. — Troughout tropical America. 

 130 Arten. 



* * * Capsule entirely superior. 



23. Puya Molina. Capsule locucidally 3-valved. Style longe, 

 entire. — Chili and Andes of Peru and Columbia. 14 Arten. 



***:■: Capsule septicidally 3-valved. Styles short. 



24. Cottendorßa Schultes fil. Flowers hermaphrodite. Leaves 

 long, thin, entire. — Brazil and Argentaria. 6 Arten. 



25. Dyclcia Schultes fil. Flowers hermaphrodite. Leaves thick, 

 rigid, margined with hooked pungent prickles. Brazil, Uru- 

 guay, Argentaria. 34 Arten. 



2Q. Hechtia Klotzsch. Flowers subioicous. Leaves as in 

 Dyckia. — Mexico, Texas. 7 Arten. 



Tribe III. Tillandsieae. Fruit always a 3-valved entirely 

 superior capsule. Seeds furnished with a long funiculus that breaks 

 up into filiform threads. Leaves always without marginal prickles. 



* Corolla gamopetalous. 



27. Sodicoa Andre. Calyx with a long tube. Leaves spaced 

 out. — Canada and Columbia. 7 Arten. 



28. Caraguata Lindl. Calyx with a short tube. Leaves reso- 

 lute. — Anthers free. — West Indies, Guiana, Andes. 

 39 Arten. 



29. Guzmania Ruiz et Pavon. Calyx with a sliort tube. 

 Leaves resolute. Anthers syngenesious. Tropical America. 

 5 Arten. 



* * Corolla polypetalous. 



30. Catopsis Grieseb. Appendage of the seeds large and flattened; 

 funiculus short. — Tropical America. 15 Arten. 



