1C 
Corolla valvate in the bud. Solanaceje. p. 265. 
Corolla imbricate in the bud. AtropaceyE. p. 266. f 
8. — Anthers united to the stigma. Asclepiadace®. p. 276. 
Anthers free from the stigma. 
Leaves with stipules, often 3-5 ribbed. GentianacEyE. p. 270. 
Leaves without stipules. 
Stigma with an hour-glass contraction. Corolla twisted in 
the bud. Apocynace.®. p. 274. 
Stigma without a contraction. Coralla valvate in the bud. 
LoganiaceyE. p. 273. 
9. — Fruit one celled, one seeded. SalvadoraceyE. 
Fruit spuriously two celled. PeantaginacEyE. p. 221. 
10. — Ovary four lobed. Flowers in nearly sessile cymes placed in 
the axils of opposite leaves. Labiatye. p. 243. 
Ovary not lobed. 
Ovary formed by one carpel. SelaginacEyE. 
Ovary formed by two .carpels. 
Fruit of four adherent achenes. VerbenaCEyE. p. 241. 
Fruit of two coherent achenes. SelaginacEyE. 
Fruit capsular or succulent. 
Placentas free, central. LentibulakiaceyE. p. 225. 
Placentas in the axis. 11 
Placentas parietal. 
Seeds winged. BignoniaceyE. p. 226. 
Seeds not winged. 
Leafless plants. Scaly parasites. OrobanchaceyE. p. 228. 
Leafy plants. 
Cotyledons minute. Radicle long. GesneraceyE. p. 228. 
Cotyledons large and fleshy. Radicle short. 
Fruit a drupe or capsule. Pedat.iaceyE. 
Fruit woody with a pulpy interior. CrescentiaceyE. 
11. — Seeds with albumen. Scrophui.ariaceyE. p. 229. 
Seeds without albumen. 
Seeds winged. BignoniaceyE. p. 226. 
Seeds without wings, attached to hard placental processes. 
AcantiiaceyE. p. 239. 
