220 GLOSSARY. 



Insertion : the place or the mode of attachment of an organ to its support ; p. 72. 



Intercellular Passages or 5/wzces, p. 143, fig. 341. 



Internode : the part of a stem between two nodes ; p. 42. 



Interruptedly pinnate: pinnate with small leaflets intermixed with larger ones, 



as in Water Avens. 



Intrafoliaceous (stipules, &c.) : placed between the leaf or petiole and the stem. 

 Introrse: turned or facing inwards, i. e. towards the axis of the flower; p. 113. 

 Inverse or Inverted: where the apex is in the direction opposite to that of the 



organ it is compared with. 

 involucel: a partial or small involucre; p. 81. 

 Inrolucellate : furnished with an involucel. 

 Involucrate: furnished with an involucre. 



Involucre : a whorl or set of bracts around a flower, umbel, or head ; p. 79. 

 Involute, in vernation, p. 76 : rolled inwards from the edges. 

 Irregular Flowers, p. 91. 



Jointed: separate or separable at one or more places into pieces; p. 64, &c. 



Keel: a projecting ridge on a surface, like the keel of a boat; the two anterior 



petals of a papilionaceous corolla; p. 105, fig. 217, 218, k. 

 Keeled: furnished with a keel or sharp longitudinal ridge. 

 Kernel of the ovule and seed, p. 122, 136. 

 Kidney-sJiaped: resembling the outline of a kidney ; p. 59, fig. 100. 



LaMlum : the odd petal in the Orchis Family. 



Labiate: same as bilabiate or two-lipped; p. 105. 



Laciniate: slashed ; cut into deep narrow lobes (called ladniaz). 



Lactescent: producing milky juice, as does the Milkweed, &c. 



Ldcunose : full of holes or gaps. 



Lcevigote : smooth as if polished. 



Lamellar or Lamellate : consisting of flat plates (lamellce}. 



Lamina : a plate or blade : the blade of a leaf, &c., p 54. 



Lanate : woolly ; clothed with long and soft entangled hairs. 



Lanceolate : lance-shaped ; p. 58, fig. 86. 



Lanuginous : cottony or woolly. 



Latent buds : concealed or undeveloped buds ; p. 26, 27. 



Lateral: belonging to the side. 



Latex: the milky juice, &c. of plants. 



Lax: loose in texture, or sparse ; the opposite of crowded. 



Leaf, p. 49. Leaf-buds, p. 20, 27. 



Leaflet: one of the divisions or blades of a compound leaf; p. 64. 



Leaf-like: same as foliaceous. 



Leathery : of about the consistence of leather ; coriaceous. 



Legume: a simple pod, dehiscent into two pieces, like that of the Pea, p. 131, 



fig. 303; the fruit of the Pea Family (Leguminosce) , of whatever shape. 

 Legumine, p. 165. 



Leguminous : belonging to legumes, or to the Leguminous Family. 

 Lenticular : lens-shaped ; i. e. flattish and convex on both sides. 



