hi class xxir. 



* * * * Flow-ers icith a ^-parted perianth. 



Udora.— Spathe MM, "1 flowered. Stamens 9,4 of them inferior.— Submerged 



Aquatics. 354 



Order X. Monodelpiiia. — SStamens united by tlieir fila- 

 ments. 



'* F lowers in a hind of short ament : ovules naked on the 

 scales. Evergreen trees or shttfbs. 



Taxus.— Scales empty at the base of the naked cupshapod b-rry. 3 44 



J-cnipercs. — Scales of the fertile amenta- 3 to 6, forming a sort cf drupe. 313 



CLASS XXII. TOLYGAMIA. 



* Stamens 1 to 3. Flowers glumaccous. 



GkasuKEA.— Noe. 45 Andropogon. 42 Pantcum. "43 SjEQiiru. 



* * Stamens 2. Flowers toilh a calyx or naked. 



Fil-v^inus.— Pruit a 1 to 2-seeded samara.— Trees. Leaves pinnate. 205 



Callitiu cue.— Fruit nut-like, 4 lobed, 4 celled, i -seeded. ■ 314 



***£tew«w3 to 8. 



Chenopcdiace^:.— Calyx herbaceous, inclosing the achenium. 298 



Ui_vu~.— Samara reuuded, broadly ringed. Calyx 4 to 9-cleft— Trees. £11 



&XXXS.— Drupe free from the 5 to 6-parted calyx. Styles 2.— Irces or large. 



shrubs. 312 



NrsSA.— Drupe coherent with the calyx^tube. Style 1:— Trees, Kith smooth and 



shining leaves* 3C9 



BifcUSSOKETiA. — Style lateral. Cvcrles Icc^ming fiesl iv, club-shaped, promi- 

 nent. — An o-manttntub exotic tree, viith downy entire or lobed leaves. S36 



Glbditschia. — Sepal*, petals and stamens 3 to 6. — Trees, wit?t twice pinnate 



leaves. 95 



Panax. — Petals and stamens 6- Styles 2 cr 3. Fruit a 2 toG-ietded drupe. — 



Her js, with palfnutclg compound leaves. 143 



Tans. — Berry 2-ccHed, 4-steded. Stamens 4 to 5, opposite the petals'. 1 — S?trubs, 



climbing by tendrils, 74 



riUNOS. — Stainens.raosUy G. Corolla rotate, usually G-partcd. Fruit a drupe 



with 0' smooth nutlets. — Shrubs. 222 



Nemopakthcs — Calyx a minute ring. Petals 5, oblong linear. Stamens 5. 



Stigmas 3 or 4, sessile. Fruit a globose red berry. — Shrubs. 223 



Ftelea. — Samara winged all round, orbicular, 2-celled. — Shrubs. 67 



MiLANTHTUM.— Stamens 0, on the cla^s of the 6-partcd periauth. Styles- 3. — 



Leaves paralld-veiwd. 388 



Yeratsxm.— Stamens 6. Styles 3. — TUtoers dull colored. C87 



**** Stamens S to many. 



Diospyrus. — Berry 4 to 8-celled, 4 to 8-seeded. Stamens 8 and 16. — Shruts cr 



trees. 223 



Udqtla— Ovary 1-cellcd. Stamens 9. Spathe 2-oleft, axillary, 1-flowcred: — 



Submersed a(£uaii^. 354 



