10 



CL. III. TRIANDRIA 



Calix. Corolla-, 



DIGYNIA. 



2 valv. 

 1 fl. 

 trunc 



2 valv. 

 1 fl. 



2 valv. 

 I fl. 



2 



valv. 

 1 



valv. 



f 2 ? 



< valv. V 

 ^brevi 



2 valv. 

 1 fl. 

 acut. 



|vahr.| 



55. PHLEtJM, 



pratense, ll 



56. AL0PECURUS, 



1. pratensis, % 



2. geniculates 11 

 t 3. Carolinianus, > 



Walt. £ 

 f 4. aristulatus, Mx, 



57. milium, • 



1. effusum, % 



2. ciliatum, 

 h. distichum, 



58. AGROSTIS, 



tenuiflora, 11 

 diffusa, % 

 sericea, } 

 {autumnalis) \ 

 stricta, > 

 (setaceaH.K.)5 

 filiformis, 1J. 

 Mexicana, 2/ 7 

 lateriflora M. \ 

 setosa, 

 racemosa 

 polypog^n W. 



decumbens? % ^ 



CATSTAIL GRASS", 



(timothy) 



FOXTAIL GRASS, 



meadow, 

 floating, 



Carolina, 



short-awned, 



MILLET GRASS, 



common, soft, 



fringed, 



two-rowe$ 



BENT GRASS, 



slender-flowered, 

 spreading, 



M L 



W.J 



2 valv. 

 I fl. 



I valv.l 



10. 



11. 



12. 

 13. 

 14. 

 15. 



16. 



17. 



18. 



alba, 



vulgaris, H 



sobolifcra, lj. 

 juncea, 



involuta, 11 



clandes:ina, 2/ 



Virgin ica, 11 



Indica, % 



glauca, % > 

 aiundo glauca 5 

 pungens, 



shining, 



upright, 

 thread -form. 

 Mexican, 



stoloniferous, 

 creeping, 

 white, (herds- 1 

 grass) | 

 (red top) 

 slender-branched, 

 rush-like, 

 inwards-rolled, 

 hidden, 



Virginian, barren, 

 (blackseed grass J 

 Car. S 



59. TRICHODIUM, 



1. laxiflorum, % 



2. decumbens. 11 

 3. 



glaucous, 



sharp-pointed; 



loose-flowered, 

 decumbent, 



I, scabrum, 2/1 



agrostis, > rough, 

 scabrajWilld. J 



Habitat. Fructun, 

 Temjms Jlore?idi. 



semen 1, subrotund. 



Pens. fl. Jun. 

 C semen 1, ovatum tec- 

 \ turn. 



Pens. fl. Jun. 



N. Angl. Miss. Car. 



Car. 

 Can. 



Csem. 1, subrotundum, 

 I tectum villos. 



Pens. 

 N. Caes. 

 Car. 



sem. 1, subrotundum 



Pens. fl. Jul. 

 Pens. fl. Aug. 



N. Caes. fl. Sept. Oct. 



N. Angl. Car. 

 Penns. fl. Sept. 

 Pens. fl. Sept. 



Pens. fl. Sept, 



Pens. fl. Jun, 



Pens. Conn. fl. Jun. 

 Car. 



N. Caes. Pens. fl. Jun. 

 Pens. fl. Aug. 

 Pens. fl. Oct. Car. 

 Pens. fl. Oct. 

 Pens. fl. Sept. 

 Pens. fl. Sept. 



Georg. Car. 



Pens. fl. Jim. N. Ang. 

 Car. 



semen I, 



Pens. fl. Maio. Che- 



rok. Virg. 

 Virg. Car. Cher. 



Pen. fl. Jul. Aug,Virg< 



