GLOSSARY. 213 



Diaphanous : transparent or translucent. 



Dichlamydeous (flower) : having both calyx and corolla. 



Dichtitornons : two-forked. 



Diclinous : having the stamens in one flower, the pistils in another j p. 89, 



fig. 176, 177. 



Dicdccous (fruit) : splitting into two cocci, or closed carpels. 

 Dicotyledonous (embryo) : having a pair of cotyledons ; p. 16, 137. 

 Dicotyledonous Plants, p. 150, 182. 

 Didi/mous: twin. 

 Didynamous (stamens) ; having four stamens in two pairs, one pair shorter than 



the other, as in fig. 194, 195. 

 Diffuse : spreading widely and irregularly. 

 Digitate (fingered) : where the leaflets of a compound leaf are all borne on the 



apex of the petiole; p. 65, fig. 129. 

 Digynous (flower) : having two pistils or styles, p. 116. 

 Dimerous : made up of two parts, or its organs in twos. 

 Dimidiate : halved ; as where a leaf or leaflet has only one side developed, or a 



stamen has only one lobe or cell ; fig. 239. 

 Dimorphous : of two forms. 

 Dioecious, or Dioicous : where the stamens and pistils are in separate flowers on 



different plants ; p. 89. 



Dipetalous : of two petals. Diphyllous : two-leaved. Dipterous : two-winged. 

 Disciform or Disk-shaped : flat and circular, like a disk or quoit. 

 Disk : the face of any flat body ; the central part of a head of flowers, like the 



Sunflower, or Coreopsis (fig. 224), as opposed to the ray or margin; a 



fleshy expansion of the receptacle of a flower ; p. 125. 

 Dissected : cut deeply into many lobes or divisions. 

 Dissepiments : the partitions of an ovary or a fruit ; p. 119. 

 Distichous : two-ranked ; p. 73. 

 Distinct : uncombined with each other ; p. 102. 

 Divaricate : straddling ; very widely divergent. 



Divided (leaves, &c.) : cut into divisions extending about to the base or the mid- 

 rib; p. 62, fig. 125. 



Dodeca- (in Greek compounds) : twelve; as 

 Dodecdgynous : with twelve pistils or styles. 

 Dodecandrous : with twelve stamens. 

 Dolabriform : axe-shaped. 



Dorsal: pertaining to the back (dorsum) of an organ. 

 Dorsal Suture, p. 117. 

 Dotted Ducts, p. 148. 



Double Flowers, so called : where the petals are multiplied unduly ; p. 85, 98. 

 Downy : clothed with a coat of soft and short hairs. 

 Drupe: a stone-fruit; p. 128, fig. 285. 

 Drupaceous : like or pertaining to a drupe. 

 Ducts : the so-called vessels of plants ; p. 146, 148. 

 Dumose : bushy, or relating to bushes. 

 Duramen: the heart-wood, p. 153. 

 Dwarf: remarkably low in stature. 



