iECHMEA. 33 



Panicle large, lax, tripinnate . . . Sp. 3-9. 



Panicle lax, spicate, bipinnate . . . Sp. 10-16. 



Panicle dense, cylindrical, bipinnate . . Sp. 17-26. 



Panicle dense, deltoid, bipinnate . . Sp. 27-36. 



Subgenus 3. Pironneava (Gaudich.). — Inflorescence panicled, 

 with the flowers crowded into dense strobiliform spikes, so that the 

 ovary is flattened on the side next the rachis. 



Panicle bipinnate ; spikes crowded on the . 



main axis Sp. 37-43. 



Panicle bipinnate ; spikes spaced out on 



the main axis Sp. 44-54. 



Panicle tripinnate . . , . . Sp. 55-56. 



Subgenus 4. Androlepis (Brong.). — Inflorescence a panicle 

 with multifarious branches ; rachis not brightly coloured. Ovary 

 terete. Flower-bracts small or obsolete. 



Flowers spicate .... Sp. 57-59. 

 Flowers racemose . . . Sp. 60. 

 Flowers corymbose . . . Sp. 61-66. 



Subgenus 5. Lamprococcus (Beer) — Inflorescence a panicle 

 with bright red axis and branches. Flower-bracts usually nearly 

 obsolete. Sepals small, ovate, not mucronate. 



Inflorescence a peduncled panicle . Sp. 67-71. 

 Inflorescence a central capitulum . Sp. 72. 



Subgenus 6. Platy^chmea Baker. — Inflorescence a panicle with 

 distichous branches. 



Flower-bracts adnate to the rachis by their 



edges at least halfway up . . . Sp. 72-78. 



Flower-bracts free from the rachis, with a 



deep hollow in it opposite each flower . Sp. 79-81. 



Flower-bracts free from the non-excavated 



rachis Sp. 82-86. 



Subgenus 7. Pectinaria Benth. — Inflorescence a dense simple, 

 rarely 2-3-nate spike. Ovary terete. Flower-bracts ovate acumi- 

 nate, pectinate Sp. 87-90. 



Subgenus 8. Pothuava (Gaudich.) — Inflorescence a simple 

 spike. Ovary subterete. Sepals small, coriaceous, mucronate. 



Spike very dense, globose . . Sp. 91-92. 

 Spike dense, oblong . . . Sp. 93-102. 

 Spike dense, cylindrical . . Sp. 103-110. 



