MONOGRAPH OF THE GENUS ALLIUM. 55 
Hah. in Caucaso. Floret Julio et Augusto. 
Allium saxatile, Marsh. Bieb. Casp. p. 167. App. No. 39. Cent. 
Plant, rar. Rossica, i. t. 29. HofFm. Hort. Mosc. ann. 1808, No. 97- 
Lam. Encycl. Suppl. p. 273. Bieb. in Annals Bot. ii. p. 437. FL 
Taur. Cauc. i- p. 264. Suppl. p. 260- Spreng. Sys. ii. p. 39. 
BulU oblongi, aggregati, tunicis externis fuscis vestiti. Caulis 
fere nudus, teres. Folia semicylindrica, striata, scabriuscula Spatha 
2-valvis, elongata, foliacea. Umhella subfastigiata, medio convexa. Pe- 
rianthium album : lacinice ovato-oblongse. Stamina subulata, perianthio 
multo longiora. 
Obs. Although All. moschatum^ Stellerianum^ tenuissi- 
mum, and circinatum, are said to have short spaths, yet 
nevertheless they agree in every other essential point with 
this division, and cannot with propriety be separated. 
However, it may be seen that they have leafy points at 
the extremities of their spaths, which at once shews that 
they belong to this division. 
RHIZIRIDEUM. 
Divisio VII. — Uinbella caps alif era, ante anthesin nutans. 
Spatha 2 vel 3-loba, brevis, marcescens. Stamina su- 
bulata. Scapi centrales vel laterales nudi. Folia di- 
sticha narcissina, Bulhi basi rhizomatosa repente. 
Sect. 1. — Stamina alterna latiora ; scapis teretihus. 
69. All. strictum, scapo subnudo, foliis anguste lineari- 
bus longis obtusis supra canaliculatis, spatha bivalvi, um- 
bella fastigiata confertiflora, perianthii laciniis externis cu- 
cullatis obtusiusculis intimis lanceolatis obtusis, staminibus 
alternis plerumque basi trifidis, perianthio aequalibus. 
