AM ARY LLI DACEJi. 57 
18. Bomarea. Mirbel. — Capsule dehiscent from the top. 
{Stalk twining.') 
Suborder 3. Agaves. — Schistandrous, not operculous. 
1. Dioscore^formes. — Spikes (I believe always) axil- 
lary. Obs. Veins of the leaves generally con- 
fluent; plants dioecious , climbing. 
19. Tamus. Linnaeus. — Fruit with outer coat valveless, 
middle coat pulpaceous, inner coat 3-valved 
bearing the dissepiments, 
^ Capsule valued; seeds flat, shelly. 
20. Testudinaria. Salisbury. — Filaments inserted in the 
base of the segments. 
21. Dioscorea. Linnaeus. — Filaments inserted in the 
disk. N. B. If that distinction does not hold 
good, testudinaria must probably fall into Dios- 
corea. The statements as to the fact are con- 
tradictory. 
£ Capsule one-seeded , with a long curved wing. 
22. Rajania. Linnaeus. 
§. 2. IxIjEformes. — Root bulbous. 
23. Bravoa. La Llave. ( Ccetocapnia. Link et Ot.) — In- 
florescence spiked ; flowers tubular. 
24. Ixiolirion. Herbert. — Flowers deep-cleft ; stamens 
perfect. 
(Tecophilea? Bertero. — Flowers deep-cleft; 
stamens three fertile, three abortive. I believe 
this to be a truly triandrous plant belonging to Iri- 
daceae .) 
§. 3. Agaviformes. — Semibulbous or stemmed. 
J Inflorescence spiked or branching. 
25. Fourcroya. Ventenat. — Perianth not tubed ; style 
strumous. 
2G. Agave. Linnaeus. — Perianth tubed ; style filiform. 
J Inflorescence umbellate. 
27. Doryanthes. Correa. — Perianth tubed. 
Third Division.— SCAPACEOUS. 
Scape succulent, spathaceous, not articulate below the spatlie. 
Suborder 4. Amaryllide^e. — S chistandrous, not operculate. 
Petaline filaments, unless equal, excelling. 
■f Cavae . — Scape hollow ; seeds compressed with a black 
shell, capsule 3- celled ‘3-valved. 
