X. P. glaucumi {flavesccus] spica cylindracea, 

 involucellis bifloris fascicnlato- pilosis hispklis, 

 corollis hermapliroditis tiaiisversim iiiidulatis. 

 Host, gram, II. U lÖ- (in agris, cultis et hortis- 

 Jun. Jul.) 

 ß.'P. viride: spica cylindracea , involucellis bi- 

 floris fasciculato - pilosis hispidis, corollis her- 

 mapliroditis laeviusculis, vaginis foliorum pu- 

 bescentibus. liust, gram. II, t." 14. (in arvis 

 maxime arenosis , in agvis post niessem. Jul. 

 Aug.) 

 5. Crus galli : spicis alternis conjugatisque , spi- 

 culis subdivisis, glumis aristatis hispidis , rachi 

 quinquangulari. Host. gram. II. t. 19. (in hör- 

 tis, agris et cultis, Jul. Aug.) 



h, Panicum aristnrum: aristis longissimis. 

 Moris. hist. III. s. 0. t. 4. f. 15. (ad ripas Jau» 

 sae Jun.) 



c. Panicum muticum: aristis subnullis, (in 

 agris cum priore.) 

 4. F, miliaceumi paniculalaxa flaccida, foliorum 

 vaginis hirtis, glumis mucronatis nervosis, 

 Host, gram. II. t. 20. (in cultis. Jul, Aug.)j 

 20. PiiALARis. Calyx bivalvis uniflorus, valvulis 

 subaequalibus <;orolla majoribus. Corolla duplex; 

 exterior univalvis vel bivalvis; interior bivalvis. 

 Semen corolla interiori corticatum. 



i.Ph.canariensis: panicula subspicata ovata, glu- 

 mis calycinis navicularibus apice integerrimis, 

 corolla exteriori bivalvi. liest, gram. II. t. 38. 

 (circa domos in plateis frcqucns, Jun» Jul) 



