64 



Discus. A disk, the middle part of a radiate compound flower, 



as the flowers of Class xix. 

 Disperma. Plants producing their seeds by twos, as in the 



Umbellatae, Class v. Order 2. 

 Dissectum folium. A Leaf cut into lascinia, or divisions. 

 Dissepimentum. Partitions of the fruit which divide the peri- 



carpium into cells. 

 Dissiliens si/iqua. Pods that burst with elasticity. 

 Distans verlicillus. When the whorles of flowers, in verticillate 



plants, stand at a great distance from one another. 

 Disticha folia. In two rows, when leaves all grow on two sides 



of the branches only, as in the Yew-tree. 

 Divaricati rami. Branches standing wide from each other in 



different directions. 

 Divergentes rami. Widening gradually. 

 Dodecandria. The eleventh Class in the Linnaean system. 

 Dodrans. The seventh degree in the Linnaean scale for mea- 

 suring the parts of plants, or nine Parisian inches. 

 Dodrantalis. Nine inches. 

 Dolabriforme folium. A leaf resembling an ax, as in Mesem- 



bryanthemum dolabriforme. 

 Oorsalis arista. An awn, or beard, fixed to the back or ex- 

 ternal part of the gluma. Ex. Sweet-scented vernal-grass, 



Class ii. Order 2. 

 Drupa. A pulpy pericarpium, without valves, containing a 



stone, as in the Plum and Peach, and the Rhamnus lotus, 



Class v. Order 1. 

 Drupaceae. A natural Order of plants in the Fragmenta methodi 



naturalis of Linnaeus. 

 Dumosae. A bush. A natural Order of plants in the Fragmenta 



methodi naturalis of Linnaeus. 

 Duplicata radix. A double root, a kind of bulbous root, 



consisting of two solid bulbs, as in some species of 



Orchis. 



