TRlANDUrA TRIGYNIA. iSi 



9. EuROP.i;us. 



E. spica erecta, spicu- [ Spike erect ; spikelets 

 fis bifloris aristatis, invo- [ 2 flowered, awned, as 

 lutro Isevi sequalibus. I long as the smooth invo- 

 Persoon, 1. p. 107. | lucrum, 



Sp. pi. 1. p. 470. 

 Mul)l. Cat. p. 14. 



y* 



E* 



'icmin. Linn. 



4. Hystrix. 



E. spica erecta ; spicu- I Spike erect ; spikelets 

 Es patentibus involucro expanding, destitute of 

 destitutis. Sp. pi. i. p. | an involucrum. 

 471. 



Muhl. Cat. p. 14. 



Spike composed of two spikelets at each tooth of the rachis. 

 f pikelets composeil of 4 flowers with long awns. Involucrum, 0, but 

 » its place 2 callous bodies. Linn. 



I bave had no opportunity of comparing my specimens with others- 

 « this species from the eastern hemisphere'; in ours the spikes are 



7 



Dr 



tlie^ 



Flowers June— August* 



TRIGlJ>rM. 



m 



PROSERPINACA. 



Calyx 3.partitus, supe- | Calyx S-pai^ted, siqie 

 ^OTolla 0. Kut 3 Jocu. Cmvlla 0. Kut 3-ca] 



laris 



Palustr 



led 



^- foliis 



lanVpni r ^ superioribus | Upper leaves lanceo. 

 ^^ceolatis, serralis, infe- } late, serrate, the lower 



