142 FiiiLii Manual 



Dichotomous. Two-forked. 



Didymous. Twin-like. 



Diecious. Having the microsporangiatc or staniinatc ilowcrs 

 and the megasporangiatc or carpellatc flowers on sepa- 

 rate plants. 



Digitate. Diverging like the spread lingers. 



Dissected. Divided into many segments. ' 



Divided. Cleft to the base or to the midrib. 



Drupe. A simple usually indehiscent fruit with fleshy exocarp 

 and Iiony endocarp. 



Dwarf liranch. A highly specialized and reduced shoot on a 

 twig", as in the pine and larch. 



lunarginatc. Witii a notched apex. 



Embryo. An incipient plant in the seed. 



I'juhryo sac. The female gametophyte, contained in the ovule 



of seed plants. 

 End bud. The, bud at the end of tlie twig in case the terminal 



bud is self-pruned. 

 Endocarp. The inner layer of the pericarp. 

 Endosperm. The nourishing tissue developed around the 



embryo in the female gametophyte of the anthophyta. 

 Entire. Without teeth, serrations or lobes. 

 Ephemeral. Continuing for only a day or less. 

 Epigynous. Having the calyx, corolla, and andrccium above 



the ovulary. 

 Evanescent. Disappearing early. 

 Exocarp. The outer layer of the pericarp. 

 Exserted. Extending beyond surrounding organs or parts, 

 h^xtrorse. h'acing outwards. 



I'alcate. Scythe-shaped. 



fertile. Bearing spores or seeds. 



l'>rtilization. The conjugation of the male and female 



gametes, 

 h'etid. Ill-smelling. 

 I'^ilament. fhe stalk of an anther. 



I'lower. The modified spore-bearing branch of the seed plants. 

 l'\)liaceous. Leaf-like. 



I'^ollicle. A simple fruit dehiscent along one suture. 

 Fruit. Tlie ripe ovulary with the seeds and whatever parts 



are consolidated with it. 



