TRIANDRIA. 411 



Class 3. Triamlria. Stamens 3. — Orders 3. 



\. Moiwpjma. Valeriana, Efigl. Bof. f.G^Sy 

 1,591 «nd 1531, is placed here because 

 most of its species have three stamens. 

 See Class 1. Here also we find the sword- 

 leaved plants, so amply illustrated in Cur- 

 tis's Magazine, Iris, Gladiolus, Lria, (Sec, 

 also Crocus, Engl Bot. f. 343, 344, 491, 

 and nimierous grass-like plants, K>cJiKnus^ 

 Cyperus, Scirpus, see FL Grccc. v. 1, and 

 EnglBot, ^.9.50, 1309, 54^2, 873, &c. 



2. Digynia. This important Order consists 

 of the true Grasses; see p. Vll . Their 

 habit is more easily perceived than de- 

 fined ; their value, as furnishing herbage 

 for cattle, and grain for man, is suffi- 

 ciently obvious. No poisonous plant is 

 found among them, except the Loliu?7i 

 iemulentunij Engl. Bot. f. 1124, said tp 

 be intoxicating and pernicious in bread. 

 Their genera are not easily defined. Lin- 

 nseus, Jussieu, and most botanists pay re- 

 gard to the number of florets in each 

 spikclet, but in Arundo this is of no mo- 



