PEA FAMILY 



"3 



very rugged, cork), fissured bark; h'lnvs 2 — 4 in. across, 5-lobed, 

 lobes obtuse; ;-(?rt7«c'.i erect ; linngs of sai/iani •oh\orig, horizontally 

 divergent, each i in. long.— Woods and hedges; common. — Fl. 

 May, June. 



The leaves of both species of Maple are commonly spotted with 

 round black patches produced by a parasitic fungus, Rhyttsma 

 acerinuin. 



lEK CA.MpiisTR]5 {C'^i'unon Maple). 



Ord. XXV. Legu.min'os.e. — The Pea Familv 



The second largest Order of Dicotyledons, containing nearly 

 7,000 species, ranging in size from minute herbs to huge trees, is 

 yet a very natural one. They have scattered and usually stipulate 

 leaves, which are seldom simple ; of the 5 more or less united 

 sepah, forming the inferior calyx, the odd one is anterior ; there 

 is only a single cai-pel, which usually forms a i-chambered <:>var}\ 

 ripening to a legume, or dry pod dehiscing down both sutures ; 

 and the seeds arc c.xalbuminous. Though agreeing in these 

 characters the Order as a whole is subdivided into three sub-orders, 

 only one of which, the Papilionacke, is represented by British 

 species. This sub-order is marked by the additional characters 

 that its flowers are monosymmetric ; that the eorolla of 5 petals is 

 papihonaceous : and that there are to stamens, either monadel- 

 I 



