SYNOPSIS OF THE GENERA TREATED OF IN THIS WORK, 

 ACCORDING TO THE LINN^AN SYSTEM; 



WITH REFERENCES TO THE NATURAL ORDERS. 



CLASS I.— MONANDRIA.— 1 Stamen. 

 Order I.— MONOGYNIA.— 1 Pistil 



Salicornia. Perianth single, turbinate, fleshy, obscurely lobed. - Style 

 bifid. Utricle compressed, enclosed in the enlarged perianth. Chenopodi- 

 acecB, p. 299. 



HippURis. Calyx with the tube adnate to the ovary ; the limb minute, 

 entire. Petals^one. Style received into the groove of the anther. Fruit 

 1-seeded. HaloragacecB, p. 113. 



Hemicarpha. Flowers glumaceous. Scales very numerous, deciduous. 

 Valve single, opposite the scale. Style 2-cleft. Achenium oblong. Cype- 

 racea^ p. 399. 



Order II.— DIGYNIA.— 2 Pistils. 



Callitriche. Flowers perfect*or imperfect. . Bracts 2, opposite, petaloid. 

 Calyx (corolla of some) inconspicuous. Petals none. Capsule compressed, 

 4-celled, indehiscent. Hcdoragacea, p. 113. 



Blitum. Perianth single, 5-cleft, baccate in fruit. Utricle compressed, 

 covered with the perianth. Chenopodiacece, p. 299. 



CLASS II.— DIANDRIA— 2 -Stomens. 



Order I.-M0N0GYNIA.~1 PistU. ._ 



* Perianth dovSle, inferior, 1-petalled, regular. 



LiGUSTRUM. Calyx minutely 4-toothed. Corolla 4-cleffc. Stigma 2-cleft. 

 Berry globose, 2-celled ; cells 1 — 2-seeded. Oleacece, p. 229. 



Chionanthus. Calyx 4-parted. Corolla deeply 4-parted ; the lobes long 

 and linear. Drupe 1-seeded. Oleacece, p. 229. 



** Perianth dmible, inferior, 1-pctalled, irregular. 

 Veronica. Calyx 4- rarely 5-parted. Corolla rotate, unequally 4-lobed; 

 the lower segments narrower. Capsule 2-celled, few-seeded. Scrophula- 

 riacecc, p. 264.^ 



Leptandra. Calyx 5-parted; segments acuminate. Corolla tubular; 

 border 4-lobed, a little ringent, the lower segment narrower. Capsule 2- 

 celled, many-seeded. ScropMdariacecE, p. 266. 



Gratiola. Calyx 5-parted, often with 2 bracts at the base. Corolla 

 tubular, sub-bilabiate ; upper lip entire or shortly bifid ; lower one 3-lobed. 

 Capsule ovate, 2-celled, 2-valved, the valves at length 2-cleft. Scrophula- 

 riacecB, p. 262. 



LiNDERNiA. Calyx 5-parted, naked at base. Corolla ringent ; upper lip 

 short, reflexed, emarginate ; lower one trifid, unequal. Capsule ovoid- 

 oblong, 2-celled, 2-valved ; dissepiment parallel with the valves. Scrophu- 

 lariacecB. p. 263. 



