SYNOPSIS OP 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- 

 acea, p. 299. 



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

 entire. Petals none. Style received into the groove of the anther. Fruit 

 1 -seeded. Haloragacea, p. 113. 



HEMICARPHA. Flowers glumaceous. Scales very numerous, deciduous. 

 Valve single, opposite the scale. Style 2-cleft. Acnenium oblong. Cypc- 

 racetz, 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. Haloragacea, p. 113. 



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

 covered with the perianth. Ckenopodiacece, p. 299. 



CLASS IL DIANDRIA. 2 Stamens. 



ORDER I. MONOGYNIA. 1 Pistil 



* Perianth double, inferior, \-petalled, regular. 



LUSTRUM. Calyx minutely 4-toothed. Corolla 4-cleft. Stigma 2-cleft. 

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



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

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



** Perianth double, inferior, \-petalled, irregular. 



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

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

 riacea, 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. Scrophulariacece, 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- 

 , 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- 

 lariacea, p. 263. 



B2* 



