ANALYSIS OF SUKJECTS. 9 



§7. OF THK NECTARY AND DISK. — 40. 



107, Definition, — o, Nectary — labellum — spur, —*, Disk — liypogynous — epi- 

 gyiious, — c, true character. 



§8. OF ESTIVATION. — CO. 



lOS, Definition — vernation,- a, illu.stration. 1, ^Estivation valvatc, — 2, Convo- 

 Inte,- 3, Quincuncial,- 4, Contorted, — 5, Alternate, — G, Vexillary, — 7, hidupli- 

 catc, — b, Supervolute. 



CHArTER VIII. — THE FRUIT.- 51. 



10!), Its importance — design, — a, utility, — d,m respect to time — defined. 110, 

 Analogous to ovary — changes, — a, examples. 



§1. OF THE rERJCARP.-52. 



Ill, Fruit consists of, — (7, naked seeds. 112, Pericarp defined — cpicarp — sar- 

 cocarp, — tf, illustration. 11-3, I'liysiology of growth, — 114, of ripening, — a, acidi- 

 fication, — /), maturitv. 115, Dehiscence — iiidehiscent— valves, — 1, Dehiscence 

 locnlicidal, — 2, Septicidal,- 3, SeptifVagal, — 4, Sunu-al,- -5, Circuni.scissile. IIG, 

 Forms of pericarp.— 1 , Capsule, — a, cells — columella. —2, Siliqne. — .3, Silicic. — 

 4, Legume. — 5, FnlliL-le. — G, Drupe.— 7, Nut— S, Caryopsis. — '.), Achcnium. — 

 lb. Samara. — 1 1, Pyxis. — 12, 1'ome. — 13, 1'epo. — 14, Beny — strawberry — black- 

 berry. — 15, Strobile. 



CIIAl'TER IX. — THE FRUIT. — 57. 

 §2. OF THE SEED. 



117, The seed defined, — «, its parts, US, integuments — tcs'a — mesospcrm — 

 cndoplein-a,- ff. Testa, its substance — surface — form — appendages, — A, Coma 

 distinguished. lliJ, Aril. 120, Hiluni. 121, Seed orthotropmis — anatropous. 122, 

 Albumen — where most abundant — where wanting. 12:3, Embryo — 124, its 

 part?, — (7, radicle, — A, plumule — its direction. 12.'), Cotyledon, — «, the number, 

 &c. 12G, Monocotvlcdons — endogens. 127, Dicotyledons — c.xogens distiu 

 guishcd. 12S, Cotyledons many — none. 12'J, Kmbryo.^, number of. — Spores 



§3. OF GERMINATION. — GO. 



130, The embrvo, its importance, — a, germination defined, — 1.31, tlie process ex ■ 

 plained. 1-32, 'Ihe cotvledons. 1.33, Conditions of perminatinn, — », heat — 6, 

 •water— r, o.Kygen — f/, darkness. 1.34, Duration of the vitality of seeds. Note, 

 Two examples of. 



H- OF DISSEMINATION.— GI. 



1.3.5, Remark — examples, Krigcron — a, Wings, hooks — /5, Impatiens — Streams 

 and oceans — Squirrels, birds. 



CHAPTER X. — THE ROOT. — 02. 



13G, Its definition— origin, — c, divisions. 1.37, Prone direction, — ff, horizontal 

 direction. 13S, Number and extent. 139, How distingnished from stems. 140, Ex- 

 ceptions — adventitious buds — subterranean stems. 141, Collnm — a, statioiun-y. 

 142, Parts of the root, — ct, caudcx — b, fibres — f, spongioles. 143, Forms of roots. 

 144, Ramose — a, analojrous to branchei? — illustration, — A, further illustration, — 

 c, extent of roots. 145,'Fusiform root — forked — tap root — jiremorse — napifonu. 

 14tj, Fibrous,- a, fascirnlatcd. 147, Tuberous —ct, palmare — i6, granulated. 148, 

 Use of fleshy roots. 149, Floating root. 150, Ki>iphytes — parasites. 



PHYSIOLOGICAL STRUCTURE AND FUNCTIONS OF THE ROOT. — GG 



1.51, Internal structure. 1-32, Fibrils, structure — function. 15.3, Growjtji of root. 

 1.54, Its most obvious function — most impor'anl one — a, illustration. 155, Activity 

 of absori)tion dependent on. 1.5G, Part which absorbs, &.c.—a, illustration, — 3, 

 transplanting. 157, Force of absorption, — a, illustration. 1.5S, Can=e of absorp- 

 tion — not capillarv .attraction, — a, experiment in philosophy — exosmosc — endos- 

 mose. 1-59, Requisite conditions, — ff, how they exist in the root, — application. 

 IGO, Use of absorption, — o, power of choice — illustration. 



