IDENTIFICATION OP TREES. 481 



Collateral buds. Accessory buds at the side of the axillary bud as in the 

 Red Maple (fig. 102). 



Concave. Curved with the upper margin depressed. 



Cone. A fruit such as of the Pines with woody closely overlapping scales. 



Confluent. Said of bundle-scars, when the separate scars are so close to- 

 gether that they appear to form a single scar. 



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



Crown. The i;pper 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. 353). 



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. 100). 



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 eEE 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. 225) or Poplar (p. 261). 



Fan-shajjed. Shaped like an expanded fan. 



Fibro-vasctilar 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. 



Follicle. A pod which opens along one side only. 



Fruit. The part of a plant containing the seeds. 



Gland. A small protuberance, as on the leaves of the Arbor Vitae (p. 243). 



Glandular. Provided with glands. 



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. 



