106 



GRAMlNACEiE. 



[Endogens. 



Order XXIX. GRAMINACEiE.— Grasses. 



Gramina, Juss. Gen. 28. (1789).— Graminese, R. Brown Prodr. 168. (1810) ; Palisot de Bemiv. Agrostol. ; 

 Kiinth in Mem. Mus. 2. 62 ; Id. in N. G. et Sp. Humb. et Bonpl. 1. 84 ; Turpin in Mim. Mus. 5. 

 426 ; Trinius Fundam. Agrostol. ; Dumortier Agrost. Belg. ; Trinius Diss, de Gram. Unifl. et 

 Sesquif.; De la Harpe in Ann. Sc. 5. 335. 6. 21 ; Raspail in Ann. des Sc. 4. 271. 422. 5. 287. 433. 

 6. 224. 384. 7. 335 ; Nees v. Esenbeck Agrostol. Brasil. ; Kunth Enum. pi. vol. let 2; Endl. Gen. 

 xlii. Meisner, p. 414. 



Diagnosis. — Glumal EndogenSy ivith split-slieathed leaves, a one-celled ovary, and a 

 lateral naJced embryo. 



Evergreen herbs, occasionally having stems of considerable size and li^^ng for many 

 years. Rhizoma, fibrous or bulbous. Stem cylindrical, usually fistular and closed at 

 2 1 4 



LXXIII. 



Fig. LXXII.— 1. Locusta of Agrostis alba ; 2. paleas and stamens, &c. of the same ; .3. palese of Leersia 

 oryzoides ; 4. pistil, stamens, and hj'pogynous scales of the same : 5. locusta of Polypogon monspeliensis; 

 6. paleK, &c. of the same ; 7. locusta of Stipa pennata ; 8. rachis, bracteae, and florets of Cynosurus cris- 

 tatus ; 9^ locusta of Cynodon dactylon ; 10. paleae. and abortive floret of the same. 



Fig. LXXIII. — 1. Locusta of Corynephorus canescens ; 2. palea-, <fcc. of the same : 3. locusta of 

 Phalaris aquatica ; 4. locusta of Alopecurus pratensis ; 5. locusta of Aira caryophyllea ; 6. floret of the 

 same ; 7. locusta of Festuca duriuscula ; 8. locusta of Glyceria fluitans ; 9. floret of the same ; 10. locusta 

 of Eragrostis poi^formis. 



