STORES AGRICULTURAL EXPERIMENT STATION". 565 



Conical. Cone-shaped, largest at the base and tapering to the apex. 



Crown. The upper mass of branches. 



Cup-shaped. Shaped like a cup ; deeper than saucer-shaped. 



Deciduous. Falling- away ; said of trees that drop their leaves before winter. 



Decurrent. Said of ridges that run down from the leaf -scar. 



Deliquescent. Said of a tree with broad spreading habit as the Apple 

 (p.487). 



Dioecious. Said of plants such as the Willows and Poplars that have separ- 

 ate male and female individuals. 



Divergent. Said of buds that point away from the twig as in the Carolina 

 Poplar (fig.5). 



Downy. Covered with fine hairs. 



Drupe. A stone-fruit as in the Cherries with the seed enclosed in a stone 

 or pit which is surrounded by a fleshy portion. 



Egg-shaped. Shaped like an egg with the broadest part below the middle. 



Elliptical. Oblong with regularly rounded ends. 



Entire. Margin without indentations. 



Epidermis. The outermost layer of cells. 



Escape. A plant originally cultivated but now growing like a wild plant. 



Evergreen. With green leaves in winter, as the Pines and Holly. 



Excurrent. Said of a tree of erect habit of growth, such as the Spruce 

 (p.359) or Poplar (p.395). 



Fan-shaped. Shaped like an expanded fan. 



Fibro -vascular bundles. The strands containing the elements for the trans- 

 portation of fluids through the plant. They ultimately connect with the 

 veins of the leaves. 



Flaky (bark). With loose scales easily rubbed off. 



Flower bud. A bud containing an undeveloped flower or flower cluster. 



Fluted. With rounded ridges. '] 



Fruit. The part of a plant containing the seeds. 



Gland. A small protuberance, as on the leaves of the Arbor Vitae (p.377). 



Habit. The general appearance of the tree as seen at a distance. 



Habitat. The place where the tree naturally grows, such as swamps, sandy 

 plains, etc. 



Hairy. With long hairs. 



Head. The upper portion of a tree. 



Heartwood. The dead central portion of the trunk. 



Hoary. Grayish-white with a fine close down. 



Hybrid. A cross between two species or varieties. 



Internode. The portion of the stem between two nodes. 



Inversely triangular. Inverted triangular with the apex below. 



Involucre. The bracts surrounding the flower cluster. 



Juvenile. Youthful, said of the leaves formed in the early stages of devel- 

 opment. 



