﻿Trees of New York State ' 421 



Heart-shaped. Ovate with a roimded sinus at the base. 



Herb. A plant with no persistent stem above ground. 



Hirsute. Pubescent, ^\i\,h. rather coarse, stiff hairs. ' 



Hoary. Grayish white, with a fine, close pubescence. 



Hybrid. A cross-breed of two species. 



Hypcgynous. Borne at or below the base of the ovary. 



Imbricated. Overlapping like shingles on a roof. 



Impressed. Sunken as though by pressure. 



Incised. Cut sharply, irregularly, and more or less deeply. 



Indehiscent. Remaining persistently closed. 



Indeterminate inflorescence. One where the main axis is not terminated by a 



flower. 

 Indigenous. Native and original to the region. 

 Inequilateral. "With unequal sides. 



Inferior. Relating to an organ which arises or is situated below another. 

 Inflated. Bladdery. 

 Inflorescence. Flower-cluster. 

 Inserted. Attached to or gro\^'ing out of. 

 Internode. The portion of a stem between two nodes. 

 Intolerant. Incapable of recovery after suppression. 

 Introrse. Turned inward or toward the axis. 



Involucre. The whorl of bracts subtending a flower or flower-cluster. 

 Irregular. Not symmetrical ; said of a flower which cannot be divided into 



equal parts by more than one plane of symmetry. 



Keel. Tlie two anterior united petals of a papilionaceous flower. 

 Keeled. Carinate. 



Laciniate. Cut into deep irregular segments or lobes. 



Lamina. The blade of a foliage leaf. 



Lanceolate. Shaped like a lance-head; several times longer than wide, broad- 

 est above the base, and narrowed to the apex. 



Lax. Loose. 



Leaf. A green expansion attached to a stem in which the manufacture of 

 organic food takes place 



Leaflet. A single division of a compound leaf. 



Legume. A simple fruit dehiscing along two opposite sutures. 



Lenticel. Lenticular excrescences on young bark, providing aeration. 



Lenticellate. Bearing lenticels. 



Ligulate. Strap-shaped. 



Limb. The expanded portion of a gamopet^ilous corolla above the throat; the 

 expanded portion of any petal, or of a leaf. 



Linear. Much elongated Avith the sides nearly parallel. 



Lobe. A division of an organ, generally rounded. 



Locule. A cell of the ovarj-. 



Loculicidal. Dehiscent into a locule through the dorsal suture. 



Lunate. Orescent-shaped. 



Lustrous. Glossy; shining; possessed of a sheen. 



Lyrate. Pinnatifid with a large and rounded terminal lobe, the lower lobes 

 progressively smaller. 



