14 
Leaves alternate. Campanulace^:. p. 209. 
Leaves opposite, in pairs. Caprieoliacea£. p. 169. 
Leaves iu whorls. Galiaceaa p. 173.f 
I, d. — COROLLIFLORAL EXOGENS. Stamens Hypogynous. 
Ovary a single carpel. Stigma with a covering. 
Brtjnoniaceas. 
Ovary composed of two or more carpels. 
Anthers opening by pores. 1 
Anthers opening by slits. 
Leafy resinous plants. RutacEvE. p. 81. 
Scaly parasitic plants. Monotropaceal. p. 212.f 
X. — Herbs. Seeds with a loose covering. Pyrolaceaj. p. 212. 
Shrubs. Seeds with an adherent covering:. 
Anthers two celled, with appendages. Ericaceae p. 210. 
Anthers one celled, without appendages. Epacri:dace.e. 
I, e. — COROLLIFLORAL EXOGENS. Stamens Perigynous. 
Flowers irregular. 10 
Flowers regular.. 
Ovary not divided into lobes. 1 
Ovary having three lobes or more. 
Flowers arranged in twisted cymes. Boragitcacee. p. 254. 
Arrangement of flowers straight. Nolanaceaj. p. 26G. 
X. — Ovary formed by one carpel. 9 
Ovary formed by two carpels. 5 
Ovary formed by three carpels. 4 
Ovary formed by more than three carpels. 
Stamens alternate with the divisions of the corolla. 2 
Stamens opposite the divisions of the corolla. 
Styles live, rarely three or four. Plumb aginacee. p. 222. 
Style one. 
