
          90.

[crossed out: 69.] [added: 70.] Calamagrostis. Roth. (Species of
Arundo and Agrostis. Lin.) 
(Reed bent-grass.)

Calix 2-valved, 1-flowered, valves acute 
or acuminate. Corolla 2-valved, [added: mostly shorter than the calix], 
surrounded with a pubescence or long 
wool at the base, the dorsal valve 
with or without awn.

Flowers paniculate, panicles 
often contracted, sometimes conglomerately 
lobed. Calix mostly acuminated, generally 
exceeding the corolla. Glumes of 
the corolla often lacerate, [crossed out: mostly] [crossed out: usually] [added: generally] surrounded 
at the base with a woolly involucellum, [crossed out: exceed] sometimes merely 
pubescent near the base; the dorsal 
valve usually embracing the inner
one, and awned very often below the 
summit.

Species 1. [crossed out C. [Calamagrostis]] Mexicana.† [crossed out: 2. racene
of] (Apostis mexicana, Persoon)

†panicle erect, capillary branched, branches approximating, 
leaves glabrous, [crossed out: aspect?] with a scabrous 
margin; calix acuminate, nearly equal, 
much longer than the corolla; valves of the corolla 
unequal, the inner valve embraced by the outer, very 
small, and lacerate, the dorsal valve producing a 
straight [added: awn] from about the middle; woolly involucellum [longer than the corolla.]
        