GLOSSARY AND INDEX. 203 



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

 of the petiole, 58. 



Digynous (flower), having two pistils or stj'les, 105. 



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



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



Dimorphism, 117. Dimorphous, Dimorphic, of two forms, 117. 



Dimcious, or Diuicous, with stamens and pistils on different plants, 85. 



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



Diplo-, Greek for double, as Diplostemonous, with two sets of stamens. 



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



Discoidal, or Discoid, belonging to or like a disk. 



Discolor, of two different colors or hues. 



Discrete, separate, opposite of concrete. 



Disepalous, of two sepals. 



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

 flower, or Coreopsis, as opposed to the ray or margin ; a fleshy expansion of the 

 receptacle of a flower, 113. 



Disk-flowers, those of the disk in Composita?. 



Dissected, cut deeply into many lobes or divisions. 



Dissepiments, the partitions of a compound ovary or a fruit, 108. 



Dissilient, bursting in pieces. 



Distichous, two-ranked. 



Distinct, uncombined with each other, 95. 



Dithecous, of two thecae or anther-cells. 



Divai-icate, straddling; very widely divergent. 



Divided (leaves, &c), cut into divisions down to the base or midrib, 55. 



Dodeca, Greek for twelve ; as Dodecagynous, with twelve pistils or styles, Dode- 

 candrous, with twelve stamens. 



Dodrnns, span-long. 



Dolabriform, axe-shaped. 



Dorsal, pertaining to the back (dorsum) of an organ. Dorsal Suture, 106. 



Dotted Ducts, 148. 



Double Flowers, where the petals are multiplied unduly, 79. 



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



Drupaceous, like or pertaining to a drupe. 



Drupe, a stone-fruit, 120. Drupelet or Drupel, a little drupe. 



Ducts, the so-called vessels of plants, 134. 



Dumose, bushy, or relating to bushes. 



Duramen, the heart-wood, 142. 



Dwarf, remarkably low in stature. 



E-, as a prefix of Latin compound words, means destitute of; as ecostate, without 



rib or midrib; exalbuminous, without albumen, &c. 

 Eared, see aunculate, 53. 



Ebracteate, destitute of bracts. Ebracleolite, destitute of bractlets. 

 Eburneous, ivory-white. 



Echinate, armed with prickles (like a hedgehog). Echinulate, a diminutive of it. 

 Edentate, toothless. 



Effete, past bearing, &c; said of anthers which have discharged their pollen. 

 Effuse, very loosely branched and spreading. 

 Eglandulose, destitute of glands. 



Elaters, threads mixed with the spores of Liverworts, 165. 

 Ellipsoidal, approaching an elliptical figure. 

 Elliptical, oval or oblong, with the ends regularly rounded, 52. 

 Emarginate, notched at the summit, 54. 

 Embryo, the rudimentary plantlet in a seed, 11, 127. 

 Embryonal, belonging or relating to the embryo. 

 Embryo-sac, 117 



