NOVA GRAMINUM GENERA. 21 
novem evadant. Glwna, quae in aquaticis gramini- 
bus funt mut\ca , in ficciori humo fiuqt fubarijiata, 
fcilicet acumine terminali, non vero dorfali. Glu- 
fna & calycina & corotiina, a?que ac involucra, in ma* 
ritimis excrefcunt & acumine rigido longiori ter- 
minantur. 
METHODUS GRAMINUM CALYCINA. 
L RACHIDEA, 
MANISURIS. S. N. Ed. xiii, pag.762. 
charact. Rachis articulata > comprejfa, unila- 
kssentia- teralis : calyce orUculato , operculato, con* 
1,1 s. vexo, marginato, florem bermaphroditum 
in cavitate articuli inclu&enu. 
charact. Rachis articulata, linearis, com- 
natvral. prefTa. Latere plano- altero Jongitudi- 
naliter per feriem unicam imbricata: 
flofculis hermaphroditis in ipfam cavi- 
tatem rachis iramerfis, valvulis arfte 
claufis. Margine rachis flofcnlis neutris* 
bifariis, alternantibus, exffcantibus. 
Flores Hermaphroditi Laterales;* 
.calyx, Gluma uniflora, bivalvis. Valvula exte* 
rior fubcartilaginea vel coriacea, opercu- 
lata, difco convexo, radio plano ad- 
pre(Fo, rotundata, integra vel apice .& 
lateribus emarginata. Valvula interior 
-83 i| 
