WHITE LUPIN 439 



Each seed is roundish kidney-shaped about the size of a pea, 

 of whitish colour flecked with black spots and small streaks. 



The seeds are drilled in rows from 9 to 15 inches apart on a 

 clean seed-bed in May or June; ij to 2 bushels per acre are 

 needed. 



26. Blue Lupin {Lupinus angustifoUus L.) is an annual with 

 taller stems, more woody than those of the yellow species, and 

 hence not so suitable for fodder; the leaflets are narrow and the 

 flower spikes have fewer flowers and these are blue in colour. 

 The seeds are rough, about the size of a small bean seed and 

 generally buff coloured flecked with rusty spots. 



The White Lupin {Lupinus albus L.) is a South European 



species grown extensively in warmer parts of France, Spain 



and Italy for green manuring and for its seeds, which are used as 



food after the bitterness has been removed from them by steeping 



in water ; it requires a hot climate to ripen its seeds properly. 



Ex. 228. — The student should examine all the leguminous plants mentioned 

 which have not previously been dealt with in order to become practically 

 acquainted with the peculiarities of each species. Make a point of watching 

 their development as far as possible, and compare their flowers, fruits and seeds. 



SUMMARY OF THE GENERIC CHARACTERS OF LEGUMINOUS 

 FARM-PLANTS. 



1. Leaves pinnate, ending in tendrils (Fig. 33), except in the bean the 

 petiole of the leaf of which ends in a short bent point. Androecium di- 

 adelphous : legume two-valved, dehiscent. 



u. Free end of staminal tube cut off at right angles to its length ; style, 

 threadlike. Genus Vicia (Vetches and Bean). 



b. Free end of staminal tube cut off obliquely ; style flattened. 



(i) Style not grooved. Genus Lathyrus (Everlasting Pea), 



(ii) Style grooved, Genus Pisum (Garden and Field Pea). 



2. Leaves pinnate, witb two or more pairs of opposite and one single 

 terminal leaflet. 



a, Androecium diadelphous. 



Fruit indehiscent, but split transversely into one-seeded nut-like 

 joints (a lornentum). Genus Omithopus (SerradeUa). 



Fruit a one-seeded nut. Genus Onobrychis (Sainfoin). 



Fruit a long two-valved dehiscent legume. 



Genus Lotus (Blrd's-foot Trefoil). 



