APPENDIX II. 



termed the micropyle, through which in many plants the 

 pollen-tube finds its way to the embryo- sac. 



Internode, the space between two leaves or metamorphosed 

 leaves. 



Interpetiolar, said of stipules situated between the bases 

 of opposite leaves, and which are frequently more or less 

 connate so that each pair, made up of one from each leaf, 

 may resemble single stipules. 



Intrapetiolar, said of stipules when each pair of a single 

 leaf unite together within the axil of the leaf. 



Introrse, said of anthers which open towards the pistiL 

 Cp. extrose. 



Involucre, an assemblage or whorl of bracts or leaves 

 situated close beneath a flower or inflorescence. 



Irregular, un symmetrical, i.e., not being capable of divi- 

 sion into two similar halves by any plane parallel to the axis. 

 Sometimes also used for flowers in which some of the members 

 in the same whorl differ from others but in which the flower 

 can be divided medianally into two similar halves, see 

 zygomorphic. 



Isomerous, with the number of members in each whorl 

 the same. 



Isostemonous, with the stamens equal in number to the 

 normal number of its sepals or petals or (inihaplochlamydeous 

 flowers) to the tepals. 



-jugate, in composition in + + pairs e.g., multi-jugate = 

 in many pairs. 



Keel, the anterior petals in the PapilionaceaB ; a ridge 

 shaped like the keel of a boat as in the adjective keeled. 



Laciniate, irregularly cut into very narrow lobes. 



Lanceolate, shaped like a lance head. A lanceolate leaf 

 may or may not taper as much at the base as at the other end, 



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