loS 



FLOWER-LAND. 



up of several separate parts : you can pull them off 

 one by one, without tearing them. You will remem- 

 ber that these separate parts or leaflets of a corolla 

 are called petals* So that a corolla which is made up 

 of separate petals is called polypetalous.\ You have 

 already learnt about two particular kinds of poly- 

 petalous corollas : the " butter- 

 fly" flowers, which are called 

 papilionaceous J (Fig. 87 and 

 c f- P- 39)> arj d the cross bearers 

 which are called " cruciferous."^ 

 (Fig. 88.) 



Fig. 87. Papilionaceous. 



In describing the shape of a petal 

 you would use any of the terms which 

 would be useful, which you would use 

 in describing the shape of a leaf 

 (Ch.vi.). But I must also tell you that 

 the broad expanded part of a petal 

 is called the " limb" as distinguished 

 from the narrower and more stalk-like 

 portion which some petals have, and which is called 

 the " claw." A petal of the common pink gives you 

 a good example both of limb and claw (cf. Fig. 89.) 



Fig. 8b. Cruci- 

 ferous. 



* From the Greek " petalon " ; from " petao" I expand. 

 f From the Greek " polus" many, several ; and " petals." 



JFrom the Latin " papilio" a butterfly. There is another name for 

 these plants. Their natural order is called " Leguminoste," because 

 their fruit is a legume (Ch. xxv.). This is the name for the whole natural 

 order of which the British plants are " papilionaceoits. " 



From the Latin " crux " (crucis), a cross ; and "fero" I bear. 



