CLASSIFICATION OF PLANTS. XXVll 
In 1845, Lindley, John, published “The Vegetable Kingdom,” and the 
following is the arrangement adopted in his work. 
CLASSES. 
Asexual, or Flowerless Plants. 
Stems and leaves undistinguishable - - - 
Stems and leaves distinguishable . - - 
I. THatLocens. 
II. AcroGcens. 
Sexual, or Flowering Plants. 
Fructification springing from a thallus - - III. Rurzocens. 
Fructification springing from a stem; wood of stem 
youngest in the centre; cotyledon single; leaves 
parallel, veined, permanent; wood of the stem al- 
ways confused - - - - - 
Leaves net-veined, deciduous; wood of the stem, 
when perennial, arranged in a circle of central pith 
Wood of stem youngest at the circumference, always 
concentric; cotyledons two or more; seeds quite 
naked - - : - - - 
IV. Enpocens. 
V. DicryoGens. 
VI. GyMNOGENs. 
Seeds enclosed in seed-vessels - - - VIL. Exocens. 
Crass I. Taattoaens.—Alliances of Thallogens. 
1. Algales. 
2. Fungales. 
8. Lichenales. 
Crass Il. Acrocrns.—Alliances of Acrogens. 
4. Muscales. 
5. Lycopodales. 
6. Filicales. 
Crass III. Ruizocens.—Alliances the same as the Class. 
Crass IV. Enpogens. 
Flowers glumaceous; that is to say, cor Se inagig oa 2: rae cea 
sistin; herbaceous scales. 
sisting of im! colourless, or 
7. Glumales. 12. Amomales. 
Flowers or furnished ® | 13. Orchidales. 
ee ee PO Gee aotiched vith x tere calyx, 
ely. a: and corolla free from the ovary, $ 
8. Arales. 1 A. Xyridales. 
ib: yardie vise 
Voweis teesetiea with a true se | 16. Liliales. 
and corolla adherent to the ovary, 17. Alismales. 
11. Narcissales. 
Crass V. Dicrroarns.—Alliance the same as the Class. 
Crass VI. Gymnocens.—Alliance the same as the Class. 
Crass VII. Exocens.— Alliances of Exogens. 
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