a4 '  TRIANDRIA, DIGYNIA, 
character it is the form and proportion of the calix, being 
tumid and almost ventricose, nearly equal, and consi- 
- derably, sometimes, much larger than the corolla glumes; 
that there can be any genuine species of Milium produc- 
ing spikes is extremely doub‘ful, yet 4 and now 5 species 
with this anomalous habit are enumerated. One species, © 
the M. nigricans, is used as an artitle of diet in Peru. _ = 
Species. 1. M. inplieeepe ‘Fhe only genuine species. 
of this genus appear confined to Europe, those of the a 
West Indies producing spikes can have no distinct rela- 
tion to the genus Milium so nearly allied to Agrostis. 
68. AGROSTIS. L. (Bent-grass.) 
Calix 2-valved, 1-flowered, valves acute. 
Corolla 2-valved. Stigmata longitudinally his- 
pid or plumose. 
_. Flowers paniculate, spreading, with or without an awn, 
small. Corollaglumes smaller, equal to or exceeding the 
ae -@alix, in many species there are 2 minute hairy tufts near 
a the base of the inner valve. The 4. Bromoides, A. arun- 
; dinatea, A. Calamagrestis, and A. Mexicana, with seve- — 
ral single flowered species of Arundo ought with proprie- 
_ ty to be restored to the genus CaLamacGrosTis of Roth 
and Withering, aname, at least significant, to all who are 
nted with the species which it embraces, and much 
exceptionable than many others which have been 
yed in Natural Science. SE i 
Peres. §1.awned.—1. 4. Spica venti (introduced). 
Qitenuiflora. 3. pauciflora. 4. stricta: 5. canina (introduc 
ed.) 6. sericea. ( Stipa sericea, Mich._) 7: trichopodes, E. 8+ 
arachnoides, EB. (nearly related to the genus Trichodium). 
—§ 2. without awns.—9. decumbens. 10. vulgaris. 11. aspe- 
ra. 12. alba. 13. dispar. 14. juncea: 15. indican-16. clan- 
destina. 17. laterifora. 18. * brevifoliat 19. glauca. TE 
‘Culm solid and compressed, somewhat eat ‘osely branch- 
at the base, erect; leaves narrow subulate Mi erent: much. 
tes than the culm: panicle eee of alternate appressed 
ane interrupted racemes; calix.equal, shortly acuminate, much 
a shorter than the cotalls, vive ot the Sorelle glume nearly. 
Somewhat terete, coloured, the dorsal glume shortly mu 
» ' Ss. 
stem is not terete, 
beige 
inches deeply cleft, leaves: ee 
1, about a foot High, cali chafly, a 
