CLASS XVIII, XIX. 159 
flat, chaffy ; egret 2-leaved, chaff-like, caducous.—(sunflower, jerusa- 
lem artichoke.) 
CLASS XVIII. GYNANDRIA. Stamens growing out of the pistil. 
Order 1. Monandria. One stamen. 
A. Anther adnate, sub-terminal, not caducous ; masses of pollen affixed 
by the base, and made up of angular particles. 
Or’cus. Corolla ringent-like, upper petal vaulted; lip dilated, 
spurred beneath: masses of pollen 2, adnate, terminal.—(orchis.) 
Order 2. Diandria. Two stamens. 
Cypripe’pium. Calyx coloured, 4-leaved, spreading ; corolla 0, (by 
some the calyx is called a corolla;) nectary large, hollow, inflated ; 
Style with a terminant lobe, and petal-like appendage on the upper 
side.—(lady’s slipper.) 
Order 5. Pentandria. Five stamens. 
Plants bearing seeds in follicles ; and pollen in masses called pollinia. 
Ascuz’pias. Petals 5, reflected; nectaries 5, concave, erect, con- 
taining little horns; each stamen with a pair of pendulous masses of 
pollen, suspended from the top of the stigma ; follicles smooth— 
(milk-weed, silk-weed.) 
CLASS XIX. MonacIA. Staminate and pistillate flowers on the 
same plant. 
Order 3. Triandria. Three stamens. 
Ty’pua. Ament cylindric, dense-flowered. Staminate flowers— 
calyx obsolete, 3-leaved: corolla 0; stamens 3 together, on a chaffy or 
hairy receptacle, united below into one. Pistiilate flowers—below the 
staminate; calyx 0; corolla 0; seed 1, pedicelled; the pedicels sur- 
rounded at the base with long hairs resembling an egret.—(cat-tail or 
reed mace.) 
Ca’rex. Aments imbricate (usually in cylindric spikes.) Stami- 
nate flowers—calyx scales single; corolla 0. Pistillate flowers—calyx 
scale single; corolla inflated, monopetalous, 2-toothed at the apex; ° 
stigmas 2 or 3; nut 3-sided, enclosed in the inflated, permanent corolla, 
which becomes an utriculous-like permanent aril. Sometimes diceci- 
ous.—(sedge.) 
Comprto’nia. Staminate flowers—ament cylindric, with calyx scales 
1 flowered; corolla 2-petaled or none; filaments 2-forked. Pistillate 
flowers—spike or ament ovate; corolla 6-petaled (the corolla may be 
called a calyx ;) styles 2; not oval, 1-celled.—(sweet fern.) 
Ze’a. Staminate flowers—calyx glume 2-flowered, awnless; corolla 
glume awnless. Pistillate flowers—calyx glume 2-valved (number of 
