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Fig. 8. Coiled up embryo of Basella rubra: a, radicle; b, cotyledons.

Fig. 9. Vertical section of the seed of Mesembryanthemum crystallinum: a, albumen; b, radicle of the embryo.

Fig. 10. Anatomy of the grain, and germination of Scirpus supinus; after

Richard. — A, Vertical section: a, albumen; b, embryo.- B, The embryo extracted, enlarged, and halved vertically: a, cotyledon; b, radicle. — C, The seed germinating and halved: a, albumen; b, cotyledon; c, plumula ; • ¿, young root; e, sheath of the latter.

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Fig. 11. A, Seed of Ribes rubrum: a, chalaza; b, raphe; c, hilum. — B, The same, halved vertically, showing the minute embryo, with two spreading cotyledons lying at the base of the albumen: b, section of the raphe; c, hilum; d, albumen.

Fig. 12. Embryo of a species of Mammillaria; the cotyledons very small. Fig. 13. Embryo of Geranium Robertianum: a, radicle; b, line of union of the two cotyledons; c, one of the plaits in the latter.

Fig. 14. Section of the seed of Alisma Damasonium; after Mirbel: a, cotyledon; b, radicle; c, plumula.

Fig. 15. Part of the seed of Olyra latifolia; after Richard: a, albumen; b, back cotyledon; c, front ditto; d, radicle; e, plumula.

Fig. 16. Embryo of Ruppia maritima; after Richard: a, plumula; b, cotyledon.

Fig. 17. Vertical section of the seed of Pekea tuberculosa; after Richard: a, radicle; b, collet; c, cotyledons.

Fig. 18. Embryo and ruminated albumen of Eupomatia laurina (a vertical section); after Ferdinand Bauer.

Fig. 19. Spiral twisted embryo of Cuscuta europæa.

Fig. 20. Half the embryo of a bean (Vicia Faba); after Mirbel: a, one of the cotyledons; b, plumula; c, radicle; d, scar from which the other cotyledon has been cut.

Fig. 21. Germination of Lachenalia serotina: a, albumen; b, cotyledon; c, plumula; d, radicle.

Fig. 22. Germination of Calla æthiopica; after Mirbel: a, exterior elongation of the cotyledon; b, seed; c, front leaf of the plumula; d, radicle.

Fig. 23. Germination of Allium Cepa : a, albumen; b, embryo elongated beyond

the testa.

Fig. 24. The same further advanced: a, seed; b, base of the cotyledons; c, radicle or young root; d, plumula.

Fig. 25. Germination of Baptisia australis; after De Candolle: a a, cotyledons. Fig. 26. Germination of Cercis Siliquastrum; after De Candolle: a a, cotyledons. Fig. 27. Thecæ, or Sporangiola, of Erysiphe adunca; after Greville.

Fig. 28. Sporules of Phascum crassinervium; after Greville.

Fig. 29. Asci, or Theca, of Sphæria tubæformis; after Greville.

Fig. 30. Thecæ of various Lichens; after Von Martius.

Inder.

In this Index the numbers refer to the pages. Those numbers which are preceded by a *
indicate the page where the subject referred to is most copiously treated of; the other references
are either incidental or less important.

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Anabices, 81.

Anatropous, 215.
Anastomosing, 466.

Anastomozans, 466.
Anceps, 449.
Andræaceæ, 265.

Andrœceum, 172. 181.
Androphorum, 173.
Androus, 174.
Anfractuosus, 487.

Angienchyma, 7.
Angiocarpians, 232.
Angular, 449.

* 461.

Animalcules, spermatic, 558.

Anisobrious, 254.
Anisodynamous, 254.
Anisos, 474.

Anisostemonous, 474.

Annexus, 490.

Annotinus, 476.

Annual, 328.

Annulatus, 468.

Annulus, 260. 267. 275.

Anther, 172. 175.

Antheridia, 266. 269.
Anthers, 516.

Anthracinus, 478.
Anthesis, 152.

Anthocarpi, 235. 241.

Anthocyane, 434.
Anthodium, 157.

Anthophore, 211.
Anthoxanthine, 434.
Anticus, 178. 488.
Antidromal, 160.

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Argenteus, 477.
Argo, 477.
Aril, 226. 248.
Arista, 149.
Aristatus, 458.
Armeniacus, 479.

Arseniate of potash, 424.
Articulated, 490.

Articulatus, 466.
Arrangement, 491.

Arrectus, 485.

Arrow-headed, 457.

Ascending, 220. 256. 319. *486.
Ascelli, 276.

Ascens, 496.

Asci, 270. *272. 274. 276.

Ascidium, 141.

Ash-grey, 477.
Ash-greyish, 477.

Asimina, 237.
Asparagi, 72.
Asper, 60. 469.
Aspergilliformis, 466.
Aspergillus, 466.
Assurgens, 486.
Ater, 477.

Atractenchyma, 7.

Attachment, mode of, 489.
Atratus, 478.
Atropous, 215.

Atrovirens, 479.

Attenuatus, 458.
Aulæum, 166.
Aurantiacus, 479.
Aurantius, 479.
Auratus, 478.

Aureus, 478.

Auriculatus, 457.

Autocarpien, 224.
Avenium, 131.

Awl-shaped, 456.

Awn, 149.
Awned, 458.

Axes, accessory, 96.
Axe-shaped, 449.

Axil, 73. 112.

Axillary, 112. *490.

Axis, 153.

Axis, appendages of the, 110.

Axis, ascending, 69.

Axis, descending, 108.

Bacca, 227, 228, 229. 231. 235. *240.

Bacca sicca, 231.

Bacca, spurious, 230.

Bacilli, 78.

Baccate, 232. *473.

Baccaularius, 237.

Badius, 478.

Balausta, 235. *241.

Bale, 149.

Banded, 481.

Band-shaped, 455.

Barbatus, *60. 470.
Barbs, 60.

Bark, 85, 86. 88. 310.

Basal, 490.

Base, 127. 224.
Basidia, 276.

Basi bracteolatum, 147.

Basigynium, 194.

Basinervia, 133.
Bassorin, 557.

Beaked, 450. *459.
Beard, 149.

Bearded, 60. 175. *470,
Bell-shaped, 452.
Bellying, 455.

Berried, 473.

Berry, 227. 240.
Bi, 495.

Biconjugato-pinnatus, 464.

Biconjugatus, 465.
Bicornis, 450.

Bidentate, 461.

Bidigitato-pinnatus, 464.

Bifariam, 493.

Bifarius, 492.

Biferus, 475.

Bifidus, 461.

Bifoliolate, 464.

Biforines, 43.

Bifurcate, 175.
Bigeminate, 465.
Bigeners, 349.
Bijugus, 138. *465.
Bilobus, 461.
Bimestris, 476.
Binatus, 464.

Bini, 495.

Binodal, 160.

Bipartitus, 462.
Bipennatiparted, 138.
Bipennatisected, 138.
Bipinnate, 465.

Bi-polymorious, 152.

Biserrate, 461.

Biserialis, 493.

Biternate, 465.

Bitten, 109. 460.

Black, 478.

Blades, 112.

Bladdery, 454.

Blastema, 250. 270.

Blastus, 253.

Blatt, 112.

Bletting, 356.

Blotched, 481.
Blue, 479, 480.

Blunt, *459, 460.

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Bouton, 152.
Brachialis, 474.
Brachiate, *72. 488.
Brachium, 474.
Bracteæ, 515.

Bracts, 146. 152. 330.
Bractlets, 147.

Branched, 465.

Branches, 71.
Brick-colour, 480.
Bright brown, 478.;
Bright red, 480.
Bristle pointed, 458.
Bristles, 60.

Bristly, 468.

Brown, 478.

Brown red, 480.
Brunneus, 478.

Brush shaped, * 453. 466.

Buckler-shaped, 447.
Bud, scales of, 76.
Bulb, 74. 76.

naked, 78.
solid, 77. 81.
tunicated, 77.

Bulbilli, 78.
Bulbotuber, 81.

Bulbulus squamosus, 78.
Butterfly-shaped, 168.
Byssaceous, 466.

Cachrys, 227. 241.
Caducous, 328. 476.
Cæruleus, 480.
Casious, 471.

Cæsius, 480.
Cæspitose, 492.
Catonium, 149.
Calamus, 84.
Calathis, 157.
Calathium, 157.
Calcar, 169.
Calcareus, 477.

Caloric, disengagement of, 330.
Calybio, 239.

Calycinalis, 149.
Calyculus, 147.
Calyptra, 266.

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Chalk-white, 477.

Capsule, 175. 227, 228, 229, 230. Channelled, 449.

235. *238. 260. 263. 266.

spurious, 230.

Carbonic acid in seeds, 359.

Carbonic oxide, 387.

Characters of classes, 526.

of genera, 526.

of orders, 526.

-, specific, 526.

Carcerular, 232.

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Chartaceus, 471.

Chestnut-brown, 478.
Chlorine, 361. 386.
Chloro, 479.

Chlorophyll, *46. 429. 433.
Chromule, *46. 429.

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