104 PRACTICAL BOTANY. 



Innate anther : anther, fixed by its base to the very tip of the fila- 

 ment. 



Insertion : the place of attachment of an organ, of leaves, stamens, etc. 



Inserted : attached to. 



Interruptedly pinnate : pinnate with smaller leaflets among larger 

 ones, as in Agrimony, 



Introrse : turned inward ; a term applied to anthers, with their lines 

 of dehiscence turned toward the axis of the flower. 



Inverse, or Inverted : turned upside down. 



Involucel : a partial, or small involucre, as the little involucre at the 

 base of each umbellet of some compound umbels; also a whorl of 

 bractlets outside the calyx, as in Mallows. 



Involucellate : furnished with an involucel. 



Involucrate ! furnished with an involucre. 



Involucre : a set of bracts around a flower, umbel, or head. 



Labellum : the odd piece of the 3 inner perianth-leaves of an Orchid. 



Labiate : two-lipped, the same as bilabiate. 



Lactiferous: containing a milky juice. Lactiferous plants ^tq^ vf\i\\' 

 out exception, or in part, those of the Nyraphaceae (with milky 

 juice in the root-stocks only), the Papaveraceae, Anacardiaceae, Li- 

 guliflorous Composites, Campanulaceae, Lobeliacese, Sapotaceae, Con- 

 volvulaceae, Apocynaceae, Asclepiadaceae, Euphorbiaceae, and, final- 

 ly, Morus and Sagittaria. 



Lamina : the blade of a leaf, petal, etc. ; also a thin plate. 



Lanceolate : lance-shaped. 



Lateral : on the side. 



Leaflet : one of the divisions of a compound leaf. 



Legume : a simple pod, splitting open into two pieces ; the fruit of 

 the Leguminosse. 



Ligneous: woody. 



LiGULATE : furnished with a ligule. 



Ligule : a strap-shaped corolla in many Composites ; also a mem- 

 branaceous appendage on the leaf-sheaths of most grasses. 



Limb : the spreading portion, or open border of a calyx- or corolla- 

 tube. 



Linear : narrow and flat, with the margins parallel. 



Lips : the principal lobes of a 3-lipped corolla. 



Lobe : a segment of a leaf, corolla, etc., especially a rounded one. 



Loculicidal dehiscence : a splitting open through the middle of the 

 back of each cell of a pod. 



LoMENT : a pod, separating transversely into joints. 



