DESCRIPTION Of PLATER ill 



PoA. P. dinantha^ n. m, 6 Spikclet m. c Flower, d P. debilis, n. ux 

 e Spikelct ni. / Flower. 



BRIZOPYRUM. a Bv spicatuni, ? , n, m. 6 Spikclet $ , n, m. c Spikelet 3 , u, 

 in, d Flower $ open, e A stamen of . 



GLYCERIA. a G. aquatica, n. m, b Spikelet m. c Flower, d G. Canadeoeis 

 u. 111. e Spikelet m. / A pale. 



BIUZA. a B. media, dim. b Spikelet n. m. c Flower. 



UNIOLA. a IL latifolia, spikelet n, m. 6 Flower, c Glumes, d tJ, gracilis, 

 n. in. e Spikelet m, 



PiiRAGMiTESv a P, communis, spikelet n. m> 6 A flower open, 



AIIUNDINARIA. a A. macrosperma, spikelet D. m. b Flower, c Same with 

 fruit 



LEPTURUS. a. L. paniculatus, dim. b Raceme n. m. c Spikelet in flower, m. 



HORDEUM. a II. jubatum, half size. 6 Spikelet n. m. 



ELTMUS. a E. Virginicus /J arcuatus, spikelet n. m. 6 E. Canadensis, spikelet 

 ti. m. c Flowers, d E. Hystrix, spikelet n. m. 



LOLIUM. a L. perenne, n, m. 6 L. temulentum, spikelet n. m. c Flower 

 open, m. 



V. 



TRITICUM. <t T. repens, a. m, b A flower, e T. vulgare, epikelct n. m 

 d Ovary, scales, and styles. 



LEPTOCIILOA. <t L, fascicillaris, branchj n. m> b Spikelet. e L filiforlnis. n. in. 

 d Spikelet, 



GYMNOPOGOJ*. rt G. r.icemosum) branch v n. m, 6 Glumes, c Pales, d G. fil- 

 ifurniis, branch, n. m. e Spikelet m. d Spikelet closed. 



CYNODON. <t C. Dactylon, dim. e Spikelet in flower, b Portion of spike. 

 d Glumos. 



ELEUSINE. rt E. Indica, n. m. 6 Spikelet 7m c Spikelct in fruit. 



SPARTINA. ft S. polystachia, branch, n. m. 6 Spikelet. c Flower without the 

 pales. 



BOUTELOUA. c B. curtipendula, n. m. a Spikelet. 6 B. hirsuta, spikelet. d The 

 abortive flower. 



TRIPSACUM, a T. dactyloides, 11. m., $ pistillate flowers. $ staminate flowers. 



UOTTBCELIA. i. R. rUgosa, n. m. c A joint of the spike with one sessile, fer- 

 tile spikelet, and one pedicelled, abortive spikelet. 



STENOTArrtRCM. r S. dimidiatum, tinder side of the spike. 



CxENinM. a C. aromaticum, n, m. 6 Spikelet in fruit. 



ERtANTHtfS. a K alopecuroides, a joint of the rachis and spikelet, 11. m. 

 6 Spikelet m,, in fruit, c E. brevibarbis, spikelet and joint of rachis, n. m. 



ANDROPOOON. a A. scoparius. several spikelets, n. m. b One spikelet, m., 

 with a joint of rachis, c A, Halei, 2 spikelets, n, m, d Spikefet, m., with a joint 

 of rachis. 



ZEA. a Spikelet, stamiuate, from the tassel 6 Spikelet, pistillate and fertile, 

 from the ear, with its long style. 



