APPENDIX 455 



6. GLOSSARY 

 (Numbers refer to paragraphs,) 



Abrupt. Suddenly narrowed, as a leaf-blade to the petiole. 132. 



Abruptly pinnate. Said of a pinuately compound leaf which has all its leaf- 

 lets in pairs: no extra leaflet at the end. 100. 



AcauUscent. Stemless, or very nearly so: said of the entire plant. 



Achlamydeous. Lacking the perianth : naked. 1526. 



Acquired characters. Those characters or features which arise in any gen- 

 eration as the result of environment or of external stimuli. i23d. 



Acuminate, Long-pointed. 132. 



Acute. Sharp or pointed. 132. 



Adaptation. The fitness of any organ or organism to perform certain func- 

 tions or to live in certain conditions. 423a. 



Adnate. Said of an anther attached throughout its length to the filament 

 (162a) ; also applied to the union of the calyx-tube with the ovary. 



Adventitious. Said of buds, or of shoots, which appear in abnormal or unac- 

 customed places or numbers, rather than at nodes and in definite number. 

 233. 



Adventive. Said of introduced plants which grow spontaneously, but which 

 are not thoroughly naturalized. 



Estivation. The folding of the perianth in the bud. 63. 



Air-plant. Epiphyte, which see. 



Akene, achenium. A hard, dry, l-.seeded, indehiscent fruit, especially one in 

 which the pericarp very closely envelops the seed. 290. 



Ament. Catkin. 176. 



Amplexicaul. Clasping. 121, Fig. 108. 



Analogy. Similarity of function or use. 53c. 



AndrcBcium. Collective name for the stamens. lo2d. 



Androgynous. Staminate and pistillate flowers borne in the same flower- 

 cluster. 186. 



Anemophilous. Pollinated by wind. 273a. 



Annual. A plant which completes its entire life cycle in a single year. 486. 



Annulus. The ring upon the stipe of mushroom-like fungi, being the remains 

 of the veil. 



Anther. The enlarged part of a stamen, which bears the pollen. 144. 



Anthesis, Flowering. 2256. 



Anthotaxy. Inflorescence. 2256. 



Antitropic. Dextrorse. 501a. 



Apetalous. Lacking the corolla. 1526. 



Apical. Pertaining to the apex or top: in this book, said of pods which open 

 at the top. 309. 



Apocarpous. Carpels, or simple pistils, not united. 305. 



