LEGUMINOS^E 



431 



succulent ; stipules subulate, subacute, connate two-thirds of their 

 length on the side of the stem opposite to the leaf. 



No. 1. Oblong, obtuse, entire, minutely apiculate, 2-4 cm. long, 

 1-2 cm. broad. 



No. 2. Digitately trifoliolate ; lateral leaflets sessile, rotund, 

 minutely apiculate, 3 mm. long, 4 mm. broad ; terminal leaflet large, 

 rotund, elliptic, obtuse, 1'8 cm. long, 1-4 cm. broad. 



Branches from axils of cotyledons similar to the stem ; 1st and 

 2nd leaves also precisely the same. 



Hedysarum denticulatum, Eegel (fig. 279). 



Fig. 1 shows the embryo germinating and splitting open the 

 pericarp of a segment of the fruit. The radicle has pierced the lower 

 valve of the pericarp. 



Fig. 2. A case in which two segments have remained united. 

 One embryo is dead ; the other has forced open the pericarp of both 



FIG. 279. Sedysarum denticulatum, x 2. 



segments, and its radicle has pierced the lower valve, a frequent 

 occurrence. 



Fig. 3. Another segment of the fruit where the radicle has already 

 advanced considerably through the wall ; the two halves of the fruit 

 have just commenced to split open. 



Fig. 4. Another mode of germination similar to what occurs in 



