108 GLOSSARY 



Crenate. Applied to leaf margins with rounded teeth. 



Cyme. A broad, flattish, flower cluster, the inner or terminal flowers opening 



first, as in Euonymus. 

 Decussate. Applied to leaves arranged oppositely, but with one pair standing 



at right angles to the next pair (as in Veronica). 

 Digitate. Applied to compound leaves, in which the leaflets are borne at the 



end of the common stalk (as in horse-chestnut). 

 Dimorphic. Occurring in two forms on the same plant, e.g., leaves of many 



junipers, or applied to a species existing in two distinct forms, as Colletia 



spinosa. 

 Dioecious. Applied to plants which have male and female flowers borne on 



separate individuals. 

 Distichous. Applied to leaves arranged oppositely, and superposed in two 



ranks. 



Drupe. A fruit in which a hard stone is enclosed in a fleshy layer (plum). 

 Emarginate. Notched at the tip. 

 Entire. Not toothed or lobed (applied to leaf-margins, etc.). 



Fasciated. Applied to branchlets which have become united, several into one, 

 to form a broad, flat shoot. 



Fasciculate. Applied to a cluster of flowers each with its own stalk but all 



arising from the same point, say a leaf-axil 

 Fastigiate. Of close erect growth, e.g., the Lombardy poplar. 

 Glabrous. Smooth, without hairs or down. 

 Gland. A protuberance on leaves, young shoots and parts of flowers, sometimes 



on hairs or bristles, often secreting and viscid. 

 Glaucous. Covered with a white or blue-white bloom. 

 Habit. Manner of growth. 



Internodes. The spaces on a branchlet between the joints or nodes. 

 Involucre. Two or more bracts united below an inflorescence. 

 Lanceolate. Shaped like a lance-head ; applied to leaves several times longer 



than wide and broadest below the middle. 

 Lenticel. A corky or wart-like protuberance on young bark. 



Linear. Applied to narrow leaves, petals, etc., several times longer than wide, 



with parallel margins. 

 Limb. The expanded portion of a petal, as distinct from its stalk or claw. 



Lip, Applied to the upper and lower divisions of 'a corolla, as in the Labiate 



Order (lavender, etc.). 



Lobes. The primary divisions of a simple leaf or other organ (leaf of sycamore). 

 Midrib. The primary or central rib of a leaf; the prolongation of its stalk. 

 Monoecious. Applied to plants which have male and female flowers borne on 



the same individual. 

 Mucro. A small abrupt point or tip. 

 Node. The joint of a branchlet ; the place bearing bud or leaf. 



