NATURAL ORDER OF PLANTS. 137 



8. ARALES. Flowers naked, or consisting of scales, 8 or 3 together or numerous, and then sessile 



on a simple naked spadix ; embryo -xile ; albumen mealy or fleshy. (Some have no albumen.) 

 41 Gen. ; 278 Sp. 



Natural Orders. 34. Pistiaceae, or Lemnads. or Duckweeds. 35 Typhaceae, or Typhads, 

 or Bulrushes. 36. Araceae, or Arads. 37. Pandanaceje, or Screwpines. 



9. PALMALES. Floweio perfect (with both calyx tmd corolla*, Sfasile on a branched scaly spadix ; 



embryo vague, solid ; albumen horny or fleshy. Sonr.c films are $ . 73 Gen. ; 400 Sp. 



Natural Orders. 38. Palmaceae, or Palme. 



10. HTDRALES. Flowers perfect or imperfect, usually sop-tttred; embryo axile, without albumen 



aquatics. (Some are $ .) 26 Gen. ; 48 Sp. 



Natural Orders. 39. Hydrocharidaceae, or Hydrocharads. 40. Naiadaceae, or Naiada. 4C 

 bis. Triuriuaceae, or Triurids. 41. Zoateract., or f eawracks. 



** Flowers furnished with a true, calyx und corolla, adherent to the ovary ; 5 . 



11. NAHCISSALKS. Flowers symmetrical; stamens 3 or 6. or more, all perfect; seeds with albumen. 



(Some Bromeliaccae have a free calyx ana corolla.) 163 Gen. ; 1238 Sp. 



Natural Orders. 42. Bromeliaceae, or Bromeliads. 43. Taccaceae, or Taccads. 44. Flaemo- 

 doracese, or Bloodroots. 45. Hypoxidaceae, or B ypoxids, 46. AmaryllidaceaD, or Amaryl- 

 lids. 47, Iridaceae, or Irids. 



12. AMOMALES. Flowers unsymmetrical ; stamens 1 to 5, some at least of which are petaloid ; 

 seeds with albumen. 39 Gen.; 427 Sp. 



Natural Orders. 18. Musacae, or Musads, 49. Zingiberaceae, or Gingerworts. 50. Maran- 

 taceae, or Marants. 



13. ORCHIDALES. Flowers unsymmetricsl ; stamens 1 to 3; seeds without albumen. 404 Gen.; 

 3035 Sp. 



Natural Orders. 51. Burmanniaceee, or Burmanniads. 52. Orchidacoae, or Orchids. 53. 

 Apostasiaceae, or Apostasiads. 



Flowers furnished with a Inie calyx and corolla, free from the ovary ; . 



14. XYRID ALES. Flower s half herbaceous, 2-3-petaloideous ; albumen copious. 24 Gen. ; 336 Sp. 



Natural Orders. 54. Philydracesa, or Waterworts. 55. Xyridaceae, or Xyrids. 56. Com- 

 melynaceae, or Spiderworts. 57. Mayaceae, or Mayacs. 



15. JUNCALES. Flowers herbaceous, dry, and permanent, scarious if coloured; albumen copious. 



(Some Callas have no albumen.) 27 Gun. ; 260 Sp. 



Natural Order*. 85. Juncaceae, or Rushes. 59. Orontiacese, or Orontiads. 



16. LILIALKS. Flowers hexapetaloideous, succulent, and withering; albumen copious. 171 Gen. ; 



Natural Ordert. 60. Gilliesiacess, or Gilliesiads. 61. Melanthacese, orMelanths. 62. Liliacea, 

 or Lilyworts. 63. Pontederaceae, or Pontederads. 



17. ALISMALES. Flowers 3-6-petaloideous, apocarpal ; albumen none. (Some Alismads are abo. 



lutely 93.) 14 Gen. ; 101 Sp. 



Natural Ot ders.64. Butomacese, or Butomads. 65. Alismaceae, or Alismads. 66. Junca- 

 cinaceaa, or Arrow-grasses. 



CLASS V. DiCTYOQBNS. 17 Genera; 268 Species. 



yatural Orders. 68. Dioscoreaceae, or Yams. 69. Smilacese, or Sarsaparillas. 70. Phile. 

 siacese, or Philesiads. 71. Trilliacese, or Parids. 72. Roxburghiaceae, or Roxburgh- 



