5^6 



Manual of botany 



Archegoniophore. Any special part of 



the gametophyte on whicli archego- 



11 ia arise 

 Arche^orium. The cell or cells which 



by division give rise to the mother 



cells of the spores 

 Archicarp, 70, 82 

 Aril. A third iategumeut which grows 



completely or partially over the seed 



springing from its base 

 Ascending sap, 416 

 Ascidia. Tbe pitchers of such plants as 



Sarraceuia, Nepenthes, &c. 

 Ascocarp, 83 

 Ascogouium, 83 

 Ascospores, 87 

 Ascus, 82 



Asexual reproduction, 513 

 Ash of plants, 436 

 Astely=schizostely 

 Asymmetrical floicers. Those which 



cannot be divided into similar halves 



by any vertical section 

 Autcecious, 90 

 Auxiliary cells, 51 

 Ausospores, 41 

 ^^■(7. The angle formed by the junction 



of leaf and stem 

 Azygospores, 55, 78 



Basidia, 90 



Easidiospores or basidiogonidia, 92 



BicoUaterdl bundles. Those wliich have 

 a strand of bast both before and be- 

 hind the strand of wood 



Bye-products of metabolism, 461, 464 



Ccuhicous sepals. Those which become 

 detached from the flower when the 

 flower-bud opens 



Callus. The material which is developed 

 upon the surface of sieve-plates. Also 

 applied to the tissue which gz'ows over 

 and covers wounds made in a stem or 

 root 



Campylolropous ovul'-. One whose nu- 

 cellus is curved so that the micropyle 

 is placed close to the hilum 



Capillitium, 77 



Capitulum (of Chara), 63 



Carpogonium, 82 



Carpophore. The part of the axis of the 

 flower which is between or above the 

 carpels, and to which they are at- 

 tached 



Ca-rposporaugla, 51 



Caruncles=strophioles 



Catabolisra, 433, 460 



Caudicles. The stalks of the pollinia in 

 the Orchidaceie 



t oil- wall, composition of, 421 



Chalaza. The point at which the vas- 

 cular bundle reaches the ovule 



Chemiotaxis, 499, 500 



Ciilamydospore, 78 



OhlorophyU, 440, 462 



Ghloroplasts. The chlorophyll corpus- 

 cles, 434 



Ohlorotic plants, 463 



Chorisis. An increase in the number of 

 the parts of a floral whorl due to the 

 division or spUttiug of its primary 

 members 



Olu:omatophores=chromoplasts 



Chromoplasts. Small protoplasmic bodies 

 found in ceiiaiu cells and containing 

 coloui's other than green 



Cilia. Yibratile filaments of protoplasm 

 found on zoospores, gametes, &o. Also 

 applied to the inner row of teeth of 

 the peristome of mosses 



Ciliary motion, 507 



Circumnutation, 476 



Cirrhus. A tendril 



Cladode. A branch which in shape I'e- 

 sembles a leaf 



Cleistogamy, 521 



Cleistothecium, 83 



Coeuobium, 54 



Ccenocyte. A plant body in which the 

 constituent protoplasts are not sepa- 

 rated from each other by cell-walls. 

 Usually a common cell-wall invests 

 the whole 



Coliesion. The condition of union or 

 freedom of the separate members of 

 the whorls of the floral leaves 



Cohorts, 6 



CoUenchyma. A parenchymatous or 

 prosenchymatous tissue, the cells of 

 which are thickened at their angles 



Columella, 77, 118 



Comose. A term applied to seeds \\hichi 

 bear a tuft of hairs 



Conceptacles. Depressions iu the surface 

 of the thallus of certain algse iu 

 which the reproductive organs are 

 borne, 43 



ConjugcUion. The fusion of two similar 

 gametes, 517 



Coriaceous. Leathery— applied to leaves 



Cormophyte. A plant which possesses 

 stem and leaf 



Corona, i A cup-shaped body formed by 

 the lateral union of scales borne upon 

 the perianth leaves at the junction of 

 claw and limb, as in the Daffodil 



f'lyptostomata, 45 



Crystalloids, 451, 452 



Cupule. The involucre of the female 

 flower of the Oak, Hazel, &c. 



Cushion. The centx-al thick region of 



the prothallus of the fern, 136, 137 

 Cystocarp, 32, 51 

 Cytase, 465, 457 



Beduplication, A doubling of the nulU' 



ber of parts of a floral whorl 

 Defljiitive nucleus, 182 

 Diageotropism, 494 

 Diaheliotropism, 493 

 DiaJysiely. A variety of polysteJy iu 



