26 



TRIANDRIA DIGYNIA. 



CLASS III. 



206. TKI'STEGIS Nees. TRISTEGIS. (Treis, three, stege, a covering; three glumes.) Gram'mece. \ 



1770 glutinosa Nees clammy jUi A cu j jn.jl Ap 1822. S co Neesh.b.7 



207. SPORO'BOLUS R. Br. SPOROBOLUS. (Sporos, a seed, ballo, to cast forth.) Graminea:. 5. 10 



1771 Indicus R. Br. Indian jllii O cu 2 au.o Ap India 1773. S co SI. jam. 1. 73. 1 



1772 purpurascens Beauv. purpurascent * 

 .dgrostis purpurascens Sum. 



1773 tenacissimus Beauv. most tenacious 



1774 elongatus R. Br. elongated 



1775 diandrus Beauv. diandrous 

 Agrostis diandrus Retz. 



208. AIRO'PSISDew. AIROPSIS. 



1776 globosa Desv. globose 



1777 obtusata Desv. obtuse-valved 



1778 Candollej Desv. Decandolle's 



Poa crgrostidea Dec. Aira rtgrostidea Lots. 



1779 brevifolia R. & S. short-leaved W A cu 

 Alra brevifolia Ph. 



209. PERIBA'LIA Trin. PERIBALIA. 



1780 hispaniea Trin. Spanish 

 Alia, involucrata Cav. 



l|au.s Ap W. Indies 1806. S co 



Jac. ic. 16 



4. 6. 

 Thore j. 1.7.3 



Dec. ic. 1 



1 jnjl Ap Missouri 1818. S co 



(Periballo, to encompass.) 

 O un 1 jn Ap Spain 



Graminea!. 1. 

 1820. S co 



Cav. ic 44 1 



