16 MONOGRAPH OF THE GENUS ALLIUM. 
A. radice sobolifera, foliis gramineis, spica sphaerica, staminibus al- 
terne trifidis, Hall. Helv. ii. No. 1218. Monogr. No. 5. 
A. staminibus alterne trifidis, foliis gramineis, floribus sphaerice con- 
gestis, radice sobolifera. Hall. AIL No. 5. Opusc. p. 344, 
Hab. in Graecia, Helvetia, &c. Floret Jnlio. 
Caulis bipedalis ad tripedalis. Folia | ad ^-unciam lata, fere peda- 
lem longa. 
Obs. Many other authors, besides those quoted, who 
have mentioned Allium ampeloprasum, may also mean this 
plant, but it is now impossible to determine. 
14. All. rubicundum, nervis vaginae scabris, spatha uni- 
valvi caduca, umbella globosa, perianthii laciniis exteriori- 
bus ovato-oblongis, interioribus ellipticis apice rotundatis, 
staminibus perianthio aequalibus. 
Allium rubicundum, Niven in litteris. 
A. ampeloprasum, /3 rubicundum, Bot. Mag. No. 1560. 
A. margaritaceum, Moench ex Steud. 
Hab. in promontorio Bonae Spei. Floret Julio et Augusto. 
Bulbus basi multipartitus. Caulis erectus, teres, glaucus, 1 v. ses- 
quipedalis, fere infra medium foliosus. Folia pauca, linearia versus 
apicem attenuata, fere pedem longa, glauca, marginibus carinaque 
setoso-ciliatis. Vagina striata : nervis scabris. Spatha univalvis, cor- 
nuta, prope basin abrupte truncata, caduca. Umbella globosa, con- 
tertiflora. Pedicelli centrales perianthio multo longiores. Penan- 
thium rubro-marmoratum : laciniae sequilongae, externae ovato-oblon- 
gae, concavae, cum carinis scabris, intimae latiores, ellipticae ; apice ro- 
tundatae. Stamina perianthio aequalia. Filamenta basi dilatata, alba, 
alterna latiora, tricuspidata, omnia conniventia, post maturitatem re- 
flexa : setis longis tortis. Ovarium rhombeo-ovatum, sexstriatum. 
Stylus brevis, teres. Stigma obtusiusculum. Capsula obtuse trigona: 
loculis 2-spermibus. 
Obs. This plant was first discovered at the Cape of Good 
Hope by Mr Niven. It may be easily distinguished from 
any of its congeners, by its marbled flower, and the stamens 
being equal in length with the perianth, and more especial- 
ly by the nerves of the sheaths being setose. 
