80 



tenella. 



TRIANDRIA DIGYNIA. 



Poa. 



11. P. panicula siibverticillafa capillari, pedanculls flexuosiis, 



spiculis linearibus subsexfloris pedicdlatis, floribus 

 oblongis acutis minutis glabris, foliis bievibus planis 

 apice subulatis glabris,, vagiuis collo barbatis culmo 

 deciimbente. 



P. tenella. JVilld. sp. pi. 1. p. 3g5 ? 



In sandy fields : New Jersey to Carolina. © .July. v. v. ; 

 V. s. in Herb. LamLert. sub nomine P. piloses. 



12. P. panicula laxa patula, spiculis ovatis quadri-quinque- 



flovis pedicellatis, floribus oblongis subpubescentibus, 

 foliis glabris, vaginis collo nudo, culmo erecto glabro. 

 Mich.Ji. avier. 1 . p. 6S. 

 In Canada, Hudson's Bay,ar.d Lake Mistassins. Michaux. 



hirsuia. 



aquallca. 



parvijlora. 



iuhuerticllla- 

 ta. 



Erasroslis. 



13. P. panicula ramosissima capillari, spiculis sparsis longe 



pedicellaris subquinquefloris, floribus oblongis acutis 

 glabris, foliis culmo longioribus glabris, vaginis hirsu- 

 tibsimis, culmo erecto crasso. Mick Ji. amer. I. p. 68. 

 In sandy fields : New Jensey to Carolina, frequent. G • 

 July. V. V. 



14. P. panicula erecta semiverticillata : ramulis flexuosis, 



spiculis ovatis quinquefloris crassis, floribus obtusis 

 glabris septemnervibus, culmo erecto glabro tereli. 



P. aquatica. JFUld. sp. pL 1 . p. 385 ? 



In ditches, frequently in salt-marshes : Can,ada to Vir- 

 ginia. 1/. June— Aug. v. v. It approaches P. ay«a. 

 tica very nearly, but seems to difier in habitus and 

 other characters considerably. 



15. P. panicula diffusa capillari semiverticillata ramosissima 



spiculis pai vis subquadrifloris, floribus oblongis sub- 

 acutis exquisite striatis, foliis distichis culmum supe- 

 rantibus glabris, ligulis lanccohuis acuminatis, culmo 

 exerto vaginato. 



P. striata. Lam. encyd. 5. p. 84 ? 



In close copses and shady places : New York to Virgi- 

 nia. l/.July. v.v. About a foot high J. very slender. 



16. P. panicula laxa basi subverticillata, pedicellis elongatis, 



spiculis raris subquinquefloris, calycibns crassiusculis 

 subangulatis obtusis. Pers. ench. 1. p. g4. 



P. laxa. Lam.iUustr. 1. p. 183. 



Jn Virginia. Lamarck. +. 



17. P. panicula patente pyramidata, ramulis divaricatis, spi- 



culis lit::e3ribus deceuiiioris, floribus ovatis acutis tri- 



