224 LETTER XLIX. 



Polypetalous Paiietose Exogens, 



Group 3. Parietose. 

 a. The Cruciferous Tribe (Brassicacese or Crucifcrae), 

 Plate IV. 1. 

 The Caper Tribe (Capparidacese), Plate XXIX. 2. 

 The Mignonette Tribe (Ilesedacese), Plate XXIX. 

 1. 

 h. The Violet Tribe (Violacese), Plate IV. 2. 

 The Frankenia Tribe (Frankeniacese). 



c. The Passion-flower Tribe (Passifloracese), Plate 

 V. 1. 

 The Turnera Tribe ( Turner acese). 



Group 4. Calycose. 



a. The Guttiferous Tribe (Clusiacese or Guttifera;). 

 The Tutsan Tribe (H}^ericaceae), Plate V. 2. 



b. The Tea Tribe (Ternstromiacese). 



c. The Maple Tribe (Acer acese). 



The Horse-chesnut Tribe (^sculacese), Plate 



XXXVI. 1. 

 The Soap-berry Tribe (Sapindacea)). 

 The Milk- wort Tribe (Polygalacese), Plate 



XXVIII. 2. 



d. The Rock Rose Tribe (Cistacese), Plate XXXII. 2. 

 The Flax Tribe (Linacese), Plate XXXIX. 1. 



Group 5. Syncarpous. 

 a. The Ly thrum Tribe (Lythracese), Plate XXX 11. 1, 

 The Mallow Tribe (Malvaceae), Plate VI. 1. 



