

38 



MISSOURI BOTANICAL GARDEN. 



Walt, should then stand as a synonym of P 



virgatum L. rather than of P 



Walter's rag 



amarum Ell 

 ion. Not P 



Both 



turn L., which is a north African plant. 



speciosum panicula longa erecta geniculata, ramis 4, 6, 



s. 8 verticillatis simplicibus brevibus, e 



12. 



singulis nodis radiatis ; flor. solitariis sub- 



sessilibus, fuscis, longitudine eorum re- 

 rnotis. 





No specimen. It 



his jnnceus Kunth. 





30. Cornucopiae? Involucr. 0. Calyx subtercs bival vis : 



valvulis oblongis acutis aequalibus. Cor. 



1-valvis, figura magnitudine etsitu valvulae 



glumae caiycis simillima. 

 hyemalis 1. culrno erecto, panicula diffusa verticillata, 



foliis augustis subteretibus. 



No specimen. Undoubtedly Agrostis hyemalis as re- 

 ferred by Michaux under Trichodium laxifiorum. 



[P. 74] perennans 2. culmis subdecumbentibus ; foliis latioribus; 



panicula longa diffusa, ramis trichotomis 

 verticillatis. Gramen undique laeve, sac- 

 charinum, aestatem sustinens, in hyeme 

 vigens, radicibus geniculisque se cito propa- 

 gans. Donum inaestimabile, Conditore ad 

 hanc diem reservatum, hoc aevum, me in- 

 strument, locupletatum ! 



No specimen. Michaux refers this to his Trichodium 

 decumbens {A. perennans Tuckerm.). As I have stated 

 elsewhere, this is the form of Agrostis perennans sepa- 





