MONOGRAPH OF THE GENUS ALLIUM, 63 
80. AIL laxum^ scapo nudo, foliis linearibus subtus an- 
gulatis, spatha bi- v. tri-valvi, pedicellis breviore, umbelM 
laxa, perianthii laciniis ovato-lanceolatis acutis interdum 
emarginatis, staminibus alternis latioribus perianthio paulo 
brevioribus. 
Hob. in Sibiria. Floret Junio et Augusto. 
Planta Isete virens, sesqui- ad bipedalis altus. Umhella laxa. Pedi-. 
celli a semi ad unciam longi. 
81. All. serotinum, scapo nudo gracili, foliis anguste 
linearibus glaucescentibus subtus laevibus, spatha bi- v. tri- 
valvi, pedicellis breviore, umbella conferta globosa, peri- 
anthii laciniis oblongis obtusis, staminibus perianthio duplo 
longioribus. 
Allium serotinum, Schleich. Cat. 1821. 
A. confertum, Fish. Cat. 182L 
Hab. in Helvetia et Sibiria. Floret Augusto et Septembri. 
Planta glaucescens, pedalis ad sesquipedalis. Umbella conferta, glo- 
bosa. Pedicelli semiunciam longi. Antherce lutese. 
Obs. Allium angulosum, acutangulum^ and Lanuhiale^ 
have been regarded by some authors as varieties of the 
same ; but to this opinion, on examination, I cannot agree, 
as their habits, and also their characters, are widely distinct, 
considering that they belong to so natural and numerous a 
genus. 
Sect. 4. — Flores albidi ; stamina alterna latiora ; scapis 
angulatis 
82. All. albidum, scapo nudo foliis anguste linearibus 
subtus sulcatis altiore, spatha bivalvi brevi mucronata pe- 
dicellis breviore, umbella fastigiata multiflora, perianthii 
laciniis oblongo-lanceolatis obtusis cucuUatis, staminibus 
