14 



CL. III. TRIANDRIA. 



DIGYNIA. 



Calix. Corolla. 



2 val v. ^ 2 3 74. 

 plurifl. $ valv. > 



2 valv ") 

 lfl. $ 



1 valv. 75, 

 o arist. 



1 valv 

 multifl 

 recept 



.j-2val. 7 



2 valv. in 



receptac.C.2 valv. 77. ELYMUS 

 multiflor. ) 



ARUNDINARIA Mx 



(ludolfia Willd.) 



1 . tecta Walt. 



2. gigan tea Walt. 



ARISTIDA 



1. dichotoma 



2. oligantha 



3. stricta 



4. lanosa 



6. LOLIUM 



1. perenne % 



2. temulentum© 



1 



CANE 



maiden cane 

 large 



ARISTIDA 



forked 

 few-flowered 

 upright 

 Coolly 



DARNEL 



red, (rye grass) 

 bearded 



LYME GRASS 



1. arenarius 2/ 



2. Philadelphicus^ 



3. Canadensis s. % 



4. Virginicus 2/ 



5. striatus 2/ 



6. Europasus % 



7. villosus 21 } 

 (giganteus ?) 



8. hystrix. % 

 asprella hys 



trixWilld 



9. ciliatus 

 10. glaucifolius % 



2 valv. 1 



recept. j-2 val. 78. 

 mul 



sea, sand- 

 Philadelphian 

 Canadian 

 Virginian 

 striated, (wild rye) 

 wood- 

 woolly 



fringed 



glaucous-leaved 



Habitat. JPructus, et 



Temfius Jlorendi, 



sem 1, maximum nu< 



dum. 

 Car. Missis. 

 Car. Miss. 



sem. I, nudum. 



Pens. fl. Sept. Car. 

 Pen. fl. Sept. Car. Xllin. 

 Georg. 

 Car. 



sem. 1, compres.nud. 



Pens. fl. Maio. 

 Pens. N. Angl. ft. Jul 



sem. 1, tectum. 



fl Maio. 

 Pens. fl. Jul. . 

 Pens. fl. Jul. 

 Pens. fl. Jul. Ceorg. 

 Pen. fl. Aug.Ten.Cher. 

 Virg. Missis. 



Pens. fl. Jul.Virg. 



Pens. fl. Jul. 



Car. Cher. 

 Pens. 



ept. V 

 iltifl.J 



2 valv. I 

 recept. } 



2 val. 79. 



1-2 1 



valv. V- 1 

 recept. J valv ' 



3 part. 



HORDEUM 



jubatum 



TRITICUM 



1. repens 



2. caninum 



80. ROTTBOELLA 



dimidiata 



PROSERPINACA 



1. palustris 



2. pectinata 



sem. lj oblong, tectum. 

 N. Angl. fl. Jul. 



BARLEY 



% long-bearded 



WHEAT 



C N Anel. Missoui 

 % couchgrass | virg. fl. Jun. Delaw 



% bearded wheatgrass Delaw. 



sem. 1, nudum. 



Missouri 



ROTTBOELLA 



trailing 

 TRIGYNIA. 



PROSERPINACA 



spear-leaved 

 fine-leaved 



sem. 1. 



Car, 



semen 1, triquetrum, 

 C Pens, N. Caes. Car. fl, 

 I Sept. 



Pens. NXaes. Car. 



