U4 CLASSES. 



united by their filaments into one set.) 16th, Diadelphia, (stamens 

 united by their filaments into two sets ; flowers papillionaceous.) 17th, 

 Syngenesia, five stamens (united by their anthers; flowers compound) 

 18th, Gynandria, (stamens growing on the pistils.) 19th, Moncecia, 

 (stamens and pistils on different flowers of the same plant.) 20th, 

 Diozcia, (stamens and pistils on different flowers of different plants.) 

 21st, Cryptogamia, (Stamens and pistils invisible.) Three more classes 

 are added, or some of these last are differently arranged by some writers. 



The first 10 classes are thus founded on and named from the number 

 of the stamens; the llth and 12th on the number and insertion of the 

 stamens ; the 13th and 14th, on the number and relative length of the 

 stamens; 15th, 16th, 17th and 18th, on the connections of the stamens 

 by filaments or anthers ; 19th and 20th, on the position of the stamens 

 relative to the pistils ; and, 21st, on their being no visible stamens or 

 pistils. 



The orders belonging to each class with examples of flowers, or 

 plants, in which they may be seen, may be briefly stated as follows, 

 omitting the repetition of the names of the orders and the number of 

 the pistils, as both are the same in each class, less than 12. The 

 orders of the first 12 classes are according to the number of pistils, 

 and these are named by prefixing Greek numerals to the word gynia, 

 which signifies pistil. 



The orders in the first 12 classes are founded on the number of pis- 

 tils, as 1st, Mono-gynia, 1 pistil ; 2d, Di-gynia, 2 pistils ; 3d, Tri- 

 gynia, 3 pistils ; 4th, Tetra-gynia, 4 ; 5th, Penta-gynia, 5; 6th, Hexa- 

 gynia, 6 ; 7th, Hepta-gynia, 7 ; 8th, Octa-gynia, 8 ; 9th, Eenea-gynia, 

 9 ; 10th, Deca-gynia, 10 ; 13th, Poly-gynia, over 10 pistils. 



1st class, 2 orders ; 1st, Monogynia, 1 pistil, as ginger, marsh 

 samphire, hippuris, saltwort. 2d, Digynia, 2 pistils, as starwort, 

 blitum, etc. 



2d class, 3 orders ; 1st, (name of the order as 1st above,) as lilac, 

 jasmine, sage, olive. 2d, (same as 2d above,) as spring grass, catalpa. 

 3d, Trigynia, 3 pistils, as pepper. 



3d class, 3 orders ; 1st, as crocus, iris, or fluor-de-lis, cotton grass ; 

 2d, as wheat, oats, rye, sugar cane and other grasses ; 3d, as blinks. 



4th class, 4 orders (same number of stamens as in the 14th class ;) 

 1st, as teazel, plantain, dog- wood, innocence, or venus' pride, madder. 

 2d, as witch-hazel. 3d, as 4th, Tetragunia, 4 pistils, as holly, pond- 

 weed, etc. 



5th class, 6 orders ; 1st, as violet, primrose, currant, tobacco, potato, 

 coffee. 2d, as carrot, beet, hemlock, elm, coriander. 3d, as elder, 

 snow-ball, sumac. 4th, as grass parnassus. 5th, Pentagynia, 5 pis- 

 tils, as flax, sea-lavender. 6th, Polygynia, many pistils, as yellow- 

 root, mouse-tail. This class comprehends a 10th part of all known 

 plants. Plants with 5 stamens, with those that have anthers united, 



