138 LESSONS IN BOTANY. 
14. Herbs. Ovary with 5 styles and but 1 seed. Leaduorts. 80 
14, Herbs. Ovary with | style and many seeds. * Primworts. 78 
14, Shrubs, trees. Ovary l-styled, 5-celled, l-seeded.  Soapworts. 77 
15, Style none. Drupe 4-6-seeded, ; Hollyworts. 74 
15. Style one. Drupe 4-seeded. Vervains. 88 
15. Style one. Capsule 3-5-celled, many-seeded. * Heathworts. 73 
16. Ovary 1, deeply 4-parted or 4-partible, forming 4 achenia. * Borrageworts. 90 
16. Ovaries 2, distinct, often covered by the stamens....18. 
16. Ovary 1, compound....17. 
17. Ovary 1-celled....20. 
VW. Ovary 2-6-celled....22. 
18. Stigmas united or connate. ..19. 
18. Stigmas distinct. Flowers minute, yellow * Bindweeds, 98 
19. Flower-bud with convolute pieces. * Dogbanes. 96 
19. Flower-bud with valvate pieces, * Asclepiads, 97 
20. Seeds several....21. 
20. Seed one. Corolla limb entire. * Order 101 
21, Leaves cleft and lobed. * Hydrophylls. 91 
21. Lvs. or Ifts. entire. Fis. not spicate. Gentianworts. 95 
21. Leaves entire. Flowers spicate. Libworts. 79 
22, Leaves opposite....23. 
22. Leaves alternate....24. 
23, Ovary 2-celled, * Loganiads. 85 
23. Ovary 8-celled. Plants not twining. .... 
24, Ovary 8-celled. Plants not twining. ' * Riles BD 
24, Ovary 2-celled, 2-6-seeded. Twining * Bindweeds. 98 
24. Ovary 2-celled, 4-seeded. Stem erect. * Borrageworts. 90 
24, Ovary 2-celled, many-seeded....25, 
25. Styles 2. * Hydrophylls. 91 
25, Style one. * Nightshades. 94 
26. Herbs. Corolla 4-parted, dry, scarious. Ribworts. 79 
26. Shrubs,...27. 
27. Corolla 5-parted, imbricate in bud. Jasmineworts. 98 
27. Corolla 4-parted, valvate or none. * Oliveworts. 99 
28. Ovary deeply 4-parted, forming 4 (or fewer) achenta....29. 
28. Ovary entire, of one piece....30. 
29. Leaves opposite. Stems square. * Labiates. 89 
29. Leaves alternate. Stems round. * Borrageworts. 90 
30. Ovary with 4 or fewer seeds, Leaves opposite. Vervains. 87 
80. Ovary with many secds, or more than 4....81. 
81. Trees or climbing shrubs. Seeds winged. * Bignoniads. 88 
81. Trees. Seeds wingless. * Paulownia, in Order 86 
81. Erect shrubs. Seeds wingless. * Heathworts. 78 
81. Herbs....32. 
