APPMNDIX 463 



{Nunibers refer to paragraphs.) 



Indigenous. Native: that is, growing In a given region naturally, without the 

 agency, direct or indirect, of man: the term refers to distribution. 



Indusium. The scale-like covering of the fruit-dot of ferns. 425. 



Inferior. Said of the ovEiry when it is not free: below, in position. 169. 



Inflexed. Bent abruptly forwards or inwards longitudinally: opposite direc- 

 tion to reflexed. 61. 



Inflorescence. Mode of arrangement of flowers. 2256, 182. 



Innate, Said of an anther attached by its base to the filament. 162a. 



Insertion. Method of attachment, xx. 



Inter. Between. 



Intemode. The stem between the nodes. 46. 



Interrupted leaf. One which has small leaflets interposed. 101. 



Introrse. Said of anthers which face inwards, or towards the center of the 

 flower. 163. 



Involueel. A secondary involucre: a small involucre in a compound involu- 

 crate flower-cluster. 219a. 



In/volucre. A bract, or a whorl of bracts, subtending a flower-cluster or fruit. 

 174. 



Inovlute. Rolled inwards above, as the edges of a leaf or petal. 57, Fig. 62. 



Irregular. Said of flowers in which the parts or lobes of the perianth are of 

 more than one form or shape in the same series. 211a. 



Irregularly compound leaf. One which has leaflets of various and more or 

 less indefinite shapes and sizes. 102. 



Isomerous. All the parts in each of the four series in the flower of the same 

 number. 2116. 



Keel. The two connivent lower petals of a papilionaceous flower. 237. 



Key -fruit. A dry indehiscent winged fruit : samara. 319. 



Labiate. Lipped. 211, Figs. 180, 181. 



Iiamellus, Gill. 431. 



Lanceolate, lance-shaped. A leaf, or other expanded member, four to six times 

 as long as wide, with the widest part below the middle, and tapering both 

 ways. 128. 



Latent. Undeveloped: remaining dormant. 



Layer. A shoot or root, which, while attached to the parent plant, takes root 

 at one or more places, giving rise to new plants there. 459. 



Leaflet. One integral part of a compound leaf. 93, 98, 99. 



Legume. A simple pod which opens by both ventral and dorsal sutures. 306. 



Ligneous. Woody. 



Limb. The expanded part of a petal or sepal. 210. 



Linear. Very narrow : several times longer than broad, with the sides par- 

 allel. 131. 



