Tetr adynamia . 119 
Order I. Silicueosa. 
The plants belonging to this order have a roundish 
pod or pouch, which is sometimes called silicle, or little 
pod. 
Drab a Femes, Common Whitlow Grass. Silicle en- 
tire, with plain valves parallel to the partition ; stems 
naked; petals divided ; leaves lanceolate, rough, slight- 
ly gashed. Annual, and one of the earliest flowers of 
the spring ; is common on walls and dry pastures. 
Theaspi Bursa-Pasioris, Common Shepherds’ Purse. 
Silicle notched, obcordate, with valves margined, keeled; 
an annual plant, flowering through the summer, and 
everywhere common. 
Lunaria. Gen. char.^ -Silicle on a pedicle with 
flat valves ; style protruded. 
To this genus belongs a common plant in the garden, 
called Moonwort, Honesty, or Satin Flower, which last 
is derived from the silky appearance of the pod. 
Under this order are comprehended Crambe , Sea- 
Cabbage, or Kale; Lepidium, one species of which, Lep. 
Sativum, is the well-known Garden Cress ; Cochlearia s 
Scurvy Grass ; and Iberis , Candytuft, remarkable for 
the inequality of its petals, and familiar in flo wer gardens. 
Order II. Sieiquosa. 
This order is distinguished by the fruit being in the 
form of a long pod;- 
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