ANALYSIS OF THE ORDERS 139 



82. Leartess and without verdure. *Broomrapes. 82 



82. Leaves only at base. Fls. spurred. * Butterworte. 81 



82. Leafy .... 38. Fruit 4 or 5-cellcd. fedaliads. 84 



33. Fruit 2-celled.... 34. 



34. Corolla convolute in bud. Acanths. 87 



34. Corolla imbricate in bud. Fiywortt. SO' 



34. Corolla plicate in bud. * Nightshades. y4 



C. ORDERS OF THE APETALOUS EXOGENS. 



I Plant* ni-ioaceous, the flowers not in aments (except in the Hop, 115) 8. 



1 Plants woody, shrubs or trees 22. 



2. Flowers with a regular calyx or calyx-like involucre 8. 



2. Flowers naked, having neither calyx nor corolla. . . .20. 



3. Calyx tube adherent to the ovary, limb lobed, toothed, or entire 8. 



3. Calyx free from the ovary, sometimes inclosing it 4. 



4. Ovaries several, entirely distinct, each 1-styled, 1-seeded. * Order 1 



4. Ovary one only, simple or compound 5. 



5. Style or stigma one only. . . .6. 



5. Styles or stigmas 2-12 7. 



6. Ovary 1-ovuled, bearing but one seed 11. 



6. Ovary many-ovulcd, bearing many seeds.... 12. 

 7. Ovary 1-3-ovtiled, 1-3-seeded. . . .13. 

 7. Ovary 4- oo-o vuled, 4- oo-seeded .... 17. 



8. Stamens 1-12, as many or twice as many as the stigmas 9. 



8. Stamens 2-10, not symmetrical with the 1 or 2 stigmas 10. 



9. Stigmas and cells of the ovary 1-4. * Order 52 



9. Stigmas and cells of the ovary 6. * Birthicorta. 100 



10. Ovary many-seeded. Styles 2. * Order 57 



10. Ovary 1 or 2-seeded. Style 1. Scmdalworts. 108 



11. Flowers perfect. Calyx 4-lobcd. Stamens 1-4. * Order 47 



11. Flowers perfect. Calyx entire, funnel-shaped, colored. * Marvelworts. 101 



11. Flowers imperfect. Calyx lobed, green. Nettleivorts. 115 



12. Stamens 4, opposite the sepals. * (Loosestrifes.) Order 51 



12. Stamens 5, alternate with the sepals. * Order 78 



18. Fruit 3-6-seeded, with 3 (often cleft) stigmas. Spnrgeworts. 112 



18. Fruit 1-seeded.... 14. 



14. Stipules sheathing the stem*. * Knot-grasses. 102 



14 Stipules none 15. 



15. Calyx with ^carious bracts outside. * Amaranths. IOC 



15. Calyx double. Climbing. * Mexican Vine. 105 



15. Calyx naked.... 16. 



16. Leaves alternate. *ffoosefoots. 105 



16. Leaves opposite. 3. * Order 21 



