LINNEAN CLASSES AND ORDERS, 



WITH THEIR RESPECTIVE GENERA,* 



Defined and arranged chiefly according to essential/ and artificial 

 characters, with notices of the species belonging to anomalous 

 classes, at the end of each Class, and Order. N. O. Natural 

 Order. 



First Class. MONANDRIA. 1 Stamen. 



Order I. MONOGYNIA. 1 Pistil. 



(^Divisions) * Seed one. 



Hippu'ris, (^Mare's-tail.) Calyx a slight border crowning the ger- 

 men. Corolla none. Seed inferior, (a small one-seeded nut. 

 H.) N. O. Haloragese. Hygrobieee. Rd. Hippurideae. — 

 Page 1. Valeriana rubra, one-stamened ; its genus in Triandria. 

 Alchemilla arvensis. See its genus, in Tetrandria. 

 * * Seeds several. 



Chara, {Chara,^ referred to Cryptogamia by many botanists. 

 Calyx none. Style none. Anther stalkless, round. Berry many- 

 seeded. N. O. Characeee. — Page 1. 

 Some species of Salix, (JVillow^ belong to this Class. 



Order II. DIGYNIA. 2 Pistils, 



Calli'TRICHE, (^Water-Starwort,) is under Monoecia in H. Calyx 

 none. Petals or Bracteas, two, inferior. Seeds four, apparently 

 naked, compressed. Some of the genus, with stamens and pistils 

 on separate flowers. N, O. CaUitrichineee. Part of Haloragese. 

 Lindl. — Page 2. 



' See Gaertner's fine work, and Baxter's Plates. 



2 In the body of the Flora, the Genera are placed in a series of natural 

 affinity. The essential characters " comprehend the distinctions requisite to 

 discriminate each genus from every other." 



