Xl CLASSES, DITISIOKS, AND OEDEKS. 



*** Corolla hypogynoua. Stam. epipetalous. 

 t Oor. nearly or quite regular. 



48. Aquifoliacece. Sep. free. Oor. 4 — 5-parted. Stam. 

 as many as and alternate with cor. -lobes. — An evergreen 



tree 237 



49. Oleaceee. Cal. 4-fld, or 0. Cor. 4-cleft, or 0. Stam. 



2. Anth. attached by back. — Trees and shrubs 288 



60. Apocynacece. Oal. 4 — 5-fid. Oor. 4 — 5-lobed. Stam. 

 4 — 5. Anth. attached by base. Ovaries 2, 1-celled. Fr. 

 2 follicles. — Prostrate. Herbaceous 238 



51. Gentianace<B. Oal. 4 — 8-fid. Oor. 4 — 8-fid. Stam. 



4 — 8. Anth. versatile. Ovary 1-oelled, of 2 carpels .... 239 



52. Polemoniacem. Oal. 6-parted. Oor. 6-lobed, regu- 

 lar. Stam. 5. Ovary 3-celled. Stig. 3-ad 243 



53. Convolvulacees. Sep. 6, free or connate. Oor. 5- 

 parted. Stam. 5. Ovary 2 — 4-ceUed. Stig. 2 244 



64. Boraginacete. Oal. 6-parted. Oor. 6-parted. Stam. 

 5. Ovary of 2, 2-parted carpels; each lobe 1-seeded. 

 Style from base of lobes, simple. — L. alternate, rough. 

 Fr. of 4 nutlets 246 



66. Solanacecs, Oal. 5-parted. Oor. 6-parted. Stam. 5. 

 Ovary 2- or sub-4-celled, many-seeded. Fr. a berry or 

 capsule 262 



63. PlantaginacecB. Cal. 4-parted. Oor. 4-parted, 

 scarious. Stam. 4. Ovary 2 — 4-celled. Caps, opening 

 transversely. (In Littorella the fi. are monoecious, fem.- 

 cal. 3-parted, cor. uvceolate, stam. hypogynous.) 254 



tt Corolla more or less irregular. 



66. OrohanchacefB. Oor. 2-lipped. Stam. 4, didyna- 

 mous. Ovary 1-celled. Caps. 2-valved, many-seeded. — 

 Eoot-parasites 264 



67. ScrophdariacecB. Cor. 2-lipped or personate or 

 nearly regular. Stam. didvnamous or rarely 2 or 6. 

 Ovary 2-celled. Style terminal. Caps. 2-ceUed, many- 

 seeded 268 



58. Labiates. Oor. 2-lipped or nearly regular. Stam. 

 didynamous or rarely 2 or 4. Ovary 4-lobed. Style 

 from between the lobes. Fr. of 1—4, small, nutlike, 1- 

 seeded parts. — L. opposite. Fl. cymose, in false whorls. . 271 



