Disk-shaped 



A DICTIONARY 



Dorsal 



DlSK' SHAPED, flat and more or 

 less circular; discoid. 



DISLOCATION, see Displace- 

 ment. 



DIsOPERCULATE, having lost 

 the operculum or lid. Com- 

 pare Deoperculate. 



DISPLACEMENT, the situation 

 of an organ out of its normal 

 position; dislocation; diremp- 

 tion. 



DISSECTED, cut deeply into 

 many lobes or divisions. Com- 

 pare Laciniate and Divided. 



DISSEMINATION, the natural 

 dispersiou of seeds. 



DISSEPIMENT, one of the double 

 walls separating the cells of a 

 syncarpous ovary; septum. 

 Compare False Dissepiment. 



DiSSlL'lENT, dehiscing with 

 elastic violence, as the pod of 

 Impatience. 



DlSSOglA TION, separation. 



DlS'TAL, pertaining to the apex 

 or outer extremity. Compare 

 Proximal. 



DlS'TANT, having larger inter- 

 vening spaces than usual. Op- 

 posed to Dense or Approximate. 



DlS'Tl€HOIJS, two-ranked, as the 

 leaves of grasses. Applied also 

 to leaves arranged like those of 

 the fir, which are turned in two 

 directions, though not inserted 

 oppositely in the same plane. 

 In this hitter sense Bifarious is 

 somewhat the better term. 



DISTINCT , when parts of the 

 same kind are unconnected; 

 opposed to Coherent. Com- 

 pare Free. 



DiSTRAC'TlLE, widely separated. 

 Applied mainly to anthers iu 

 winch the connective is devel- 

 oped so as to keep the lobes 

 wide apart, as in Salvia. 



DITRlCHdT'OMOUS, dividing into 

 two or three branches. 



DIUR'NAL, said of flowers which 

 open in the day and close at 

 night. 



DIUR'NAL SLEEP, see Parahe- 



LIOTROPISM. 



DIVAR'ICATE, diverging at a 

 wide augle. 



DIVERGENCE, see Angle of 

 Divergence. 



DIVERSLFLO'ROUS, having flow- 

 ers of two or more forms. 



DIVIDED, having incisions ex- 

 tending to the midrib. Com- 

 pare Cleft and Parted. 



D0DECA6'YN0US, having twelve 

 pistils. 



DODECAM'EROtJS, having the 

 floral organs in twelves; 12- 

 merous. 



DODECAN'DROUS, having twelve 

 stamens. 



DODECAPET'ALOUS, having 

 twelve petals. 



DOlAB RIFORM, having the form 

 of an axe or hatchet, as the 

 leaves of Mesembryanthemum 

 dolabriforme. 



DOMESTICATED, introduced 

 and found to thrive and repro- 

 duce itself under cultivation. 

 It does not necessarily imply 

 any change of character. 



DORMANT BUD, one which is 

 poorly developed and which 

 under ordinary circumstances 

 will not grow into a branch. 

 Often the first-formed buds on 

 a season's growth are of this 

 character; latent bud. 



DORMANT STATE, the condition 

 of a living plant during win- 

 ter, or other definite period of 

 cessation from active growth; 

 latent period. 



DORSAL, pertaining to the back, 

 or situated upon the back. The 

 dorsal surface of a leaf or other 

 foliar organ is the anterior, 



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