350 4. SALVIA ERAZILIENSIS. [CL. II. 



Habitat in Brasilia. 



Caulis herbaceus, quadrangularis, glaber, nodosus. Folia 

 opposita, longe petiolata, petiolis sesquipollicaribus, angulatis, 

 glabris, ovata, acuminata, basi cuneata, insequaliter obtuse 

 serrata^ nervoso-venosa sesquipollicem longa, supra pollicem 

 lata. Racemi terminales, pubescentes. Flores subverticilla- 

 ti, ebracteati. Calyx puniceo-roseus, unguicularis, amplia- 

 tus, nervosus, pubescens, apice tridentatus. Corolla inclusa, 

 sordide rubra, bilabiata, labio superiori fornicato, inferior! tri- 

 lobo. Stamina duo, basi appendiculata. Pistillum apice fis- 

 sum. Achenia quatuor. 



Proximae ^S*. Megla, Cav., et S. galeata R. et P., sed difFe- 

 runt colore calycis, et corolla calycem excedente. 



CLASS III. 

 5. 



Poa trivialis, L. 



Gemeines Wiesen-, Vieh- oder Rispengras. — French, Pdttt- 

 rin rude. — Ital. La fienarola comune* — Engl. Roughish 

 Meadow-grass. — Swed. Angs-grds. 



This grass, although a very common one, may easily be 

 confounded with others which are nearly related to it. We 

 have, therefore, subjoined an exact description and compa. 

 rison of it with these others. 



From a fibrous, root there rises a round stalk, sharp to the 

 touch, about the length of an ell or arm. Where the leaves 

 rise from the sheath, a long ligula remains, (77.) The leaves 

 are small, and, at the same time, sharp to the touch. The 

 flowers are produced on a uniform, spreading panicle, the 

 subordinate stalks of which are horizontal, or even reflex, 

 and also sharp to the touch. The individual ears consist 



