BICOTTLEDONES. Ivii 



*** Corolla hypogynous. Stam. eptpetahui. 



t Cor. nearly or qviite regular. 



48. AquifoUacetE. Sep. free. Cor. 4 — 6-parted. Stam. 

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



tree 2.S1 



49. Oleacecp. Cal. 4-fid, or 0. Cor. 4-cleft, or 0. Stam. 



2. Anth. attached by back. — Trees and ahriibs 232 



50. Apocynacece. Cal. 4— 5-fid. Cor. 4 — 5-lobed. Stam. 

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



2 follicles. — Prostrate. Herbaceous 2,?.3 



61. Gentianacea. Cal. 4r— 8-fid. Cor. 4 — 8-fid. Stam. 

 4 — 8. Anth. versatile. Ovary 1-celled, of 2 carpels . . 2:53 



52. Polemoniacece. Cal. 5-parted. Cor. 5-lobed, regu- 

 lar. Stam. 5. Ovai-y S-celled. Stig. 3-fid 237 



53. ConvolvidacecB. Sep. 6, free or connate. Cor. 5- 

 parted. Stam. 5. Ovary 2— 4-celled. Stig. 2 237 



64. Boraginacece. Cal. 5-parted. Cor. 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 239 



55. Solanacecs. Cal. 5-parted. Cor. 5-parted. Stam. 5. 

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

 capsule 246 



03. PlantaginacetB. Cal. 4-parted. Cor. 4-parted, 

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

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

 cal. 3-parted, cor. urceolate, stam. hypogynous.) 288 



tt Corolla more or less irregular. 



56. OrohanchaeecE. Cor. 2-lipped. Stam. 4, didyna- 

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

 Root-parasites 248 



67. , Sarophulariaceee. Cor. 2-lipped or personate or 

 nearly regular. Stam. didynamous or rarely 2 or 5. 

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

 seeded 251 



58. Labiates. Cor. 2-lipped or nearly regidar. 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 . . 265 



