MONOGRAPH OF THE GENUS ALLIUM. 101 
Bulbus ovatus, albus, simplex. Scapus nudus, teres, pedalis, gracilis. 
Folia linearia, apicem versus attenuata, acuta, subtus carinata scapum 
sequantia. Spatha diphylla, acuminata, interdum fere longitudine pedi- 
cellorum. Pedicdli filiformes a unciam ad biunciam longi. Umbella 
pauciflora, laxa. Perianthium album, magnitudine AUii striati : laciniis 
ellipticis, obtusis, linea media erubescenti carinatis. Stamina perianthii 
fere dimidio breviora. Filamenta subulata, alba. Pistilla longitudine 
staminum. 
Obs. This is a very distinct plant from Allium fragrans 
and striatum^ the leaves being attenuated towards the apex, 
and acute. This may, after some further investigation, 
prove to be the Ornithogalum bivalve of Linn^us, which 
is now referred to All. striatum. 
139. All. odoratissimum, foHis lineari-subulatis, spatha 
tri- vel quadriloba, umbella subfastigiata multiflora, peri- 
anthii laciniis ellipticis obtusis. 
Allium odoratissimum, Desf. Fl. Atl. i. p. 289. t. 83. Poir. Encycl. 
Suppl. p. 267. Spreng. Sys. ii. p. 40. 
A. Africanum, Dietr. ex Steudel Nomencl. 
A. desertorum, Forsk. Flora ^Egyptiaco-Arabica, p. 72. * Rauch 
Nomen. p. 74. ? 
Hab. in arenis deserti prope Cassam et Tozzer. Desf. Desertis 
Kahirinis. Forsk. 
Bulbus ovatus, tunicis externis fuscis, porosis, obductus. Scapus te- 
res, glaber, pedalis et ultra. Folia Narcissi jonquili, subcarnosa, gla- 
bra, angustissime linearia, subulata, scapo multo breviora. Spatha tri- 
vel quadriloba; 7o5is ovatis, acutis, longitudine dimidii pedicellorum. 
Pedicelli fere unciam longi, tenues. Umbella subfastigiata, multiflora 
laxa. Perianthium album magnitudine Allii fragrantis : laciniis ellipticis, 
obtusis. Stamina perianthii fere dimidio breviora. Filamenta subulata, 
alba, basi dilatata. Antherce oblongse. Pistilla longitudine staminum- 
Ovarium trigonum, (album). Stylus brevis. Stigma subcapitatum. 
* " Foliis caulinis teretibus; anther is subulatis, umbella capsulifera. Corolla albo-m- 
tescens ; Idnea media obscuriori est e minoribus." Forsk. 1. c. 
