Natural Orders of .4 lgoles.
1. Diatomacar.—Cryetallino angular fragmentary bodies, brittle, and multiplying by spontaneous separation.
2. Conferraeou.—Venicimlar filimentary or membranous bodies, multiplied by zoospores generated in the interior, at the expense of their green matter.
3. Fecaenr.—C'ellular or tubular unsymmetrical bodies, multiplied by simple spores formed externally.
4. Ceramiaeect.—Cellulur or tubular unsymmetrical bodies multi plied by tetraspores.
5. Characecr.—Tubular symmetrically-branched bodies, multiplied by spiral-coated nucules tilled with starch.
Natural Orders of Fungales.
O. Ilymenomyeetes, or Agaricaee.c.—Spores generally quaternate on distinct sporophores; hymenimn naked.
7. Gasteromyeetes, or generally quaternate on distinct aporophores ; hymenium unclosed in a peridium.
S. Co:tie-ary-ears, or Credinacem—Spores single, often peptate ou more or less distinct sporophorce ; flocci of the fruit obsolete, or mere peduncles.
9. Ilyphomyeeles, or Botrytacem.—Spores naked, often septate ; thallus tloccoso.
10. Ascomyeetes, or Llelvelaccm.—Sporidia contained (generally eight together) in asci.
11. I'hysomyedes, or Macoracer.—Sporos surrounded by a vesicular veil or sporangium ; thallus floceose.
Natural Orders of Liehenales.
12. Graphidacem.—Nucleus breaking up into naked spores.
13. Collemacem.—Nueleue bearing asei ; thallus homogeneous, gela or cartilagiuous.
14. Farms/ince-ff.—Nucleus bearing mei ; thallus heterogeneous, pulverulont, or cellular.
Alliances of Aenon ENS.
Museales.—Cellular (or vascular) spore'cases immersed or calyp trate, i. e. either plunged in the substance of the frond, or euch=ed within a hood, having the same relation to the spores as an involucre to a seed vessel.
Lyeopodales.—Vascular; spore-cases axillary or radical, one- or many-celled ; spores of two sorts.
spore-cases marginal or dorsal, one-celled, usually surrounded by an elastic ring ; spores of but one sort.
Natural Orders of .111useales.
• 1. Repot jar.
15. Meek:cm—Spore-cases valveless, without operculum or elaters. 1G. MareLantiacau.—Sporo-cases valveleas, or bunting irregularly, without opereulum, but with elaters.
17. Jangermanniame.—Spore-canen opening by a definite number of equal valves, without operculum, but with dater& 18. Equintaeece.--Spore-casen peltate, splitting on ono side, without opereulum, and with all dater to every spore.
2. Jlusci.
19. Andrceace
20. Br,yaectr.—Spore-cases valveless, with an operculum, without elates.
Natural Orders of Lycopodales.
21 Lyeopodicreem.—Spore-cases one- to three-celled, axillary, repro ductive bodies similar.
22. Alarsileacea.--Sporo-cases many-celled, radical (or axillary), reproductive bodies dissimilar.
Natural Orders of Filica/a.
23. Ophiogfessssceu.Spore-cases riuglosa, distinct, two-valved ; formed on the margin of a contracted loaf.
24. I'olypo/iarcu.—Spsnre-cases ringed, dorsal or marginal, diatinct, splitting irregularly.
25. Daturacers.-Spore-enses ringless, dorsal, connate, splitting irregularly by a ventral cleft.
(d.indley's Vegetable Kingdom ; Schlaidea's l'rineiples of Scientific Botany, translated by Dr. Lankester; lienfrey's Report on the Higher Cryptogamous Rants, at the Twenty-first Meeting of the British Association.)