TRIANDRIA. TEIGYNIA* 89 



die of agriculture and the arts. With the exception of a 

 variety of the T. caniniim discovered in Soutli America, 

 this genus appears almost peculiar to Europe. 



1£2. LOLIUM. L. (Darnel.) 



Calix of one leaf, fixed to the rachis, many- 

 flowered. Flosculi distichally imbricated. >S'ee(Z 

 coated by the corolla. — Spike simple. 



Species. 1. L. peremie. 2. temiuentim. Introduced, 

 now naturalized. In this genus there are species which 

 sometimes produce an inner valve, in which case the Lo" 

 Hum approaches very near to Tnticwn. 



Order 3. — Trigynia. 



123. HOLOSTEUM. i. 



Calix 5-leaved. Petals 5, eroded, or biparted. 

 Capsule 1-celled, subcylindric, bursting at the 

 . summit. 



Leaves opposite; flowers axillary and terminal, in dl» 

 chotomous corymbs, in /T. vmbellatinn, umbellate, some- 

 times witli 4 or 5 stamens, and 4 styles. 



Species. 1. H. succidentinn. Probably nothing more 

 than Jlrenuria peploidef;^ which grows on the sea coast 

 of New-JersC; , as this Holosteumisunnui now be found. 



• A genus of but 5 species, of which there are 2 in the 

 West Indies, 1 in Malabar, and another in Europe. 



124. POLYCARPON. i. 



Calix 5 -leaved. Petals 5, very short, emar- 

 ginate and persistent. Capsule ovate, 1 -celled, 

 S-valved, 



|j Leaves opposite, or verticillate In fours, furnished with 



scariose stipules; flowers in a dichotomous terminal co- 

 rymb. 



Species. 1. P. tetraphyllmn. Around Charleston, 

 (South Carolina) abundant.— Ell jott. JProbably intro- 

 duced- 



12 



