394 ON DASYLIRION AND BEAUCARNEA. 
thium corollinum, campanulatum, 6-partitum, albidum, segmentis oblongo- - 
ligulatis imbricatis flore expanso szepissime fa leato-reflexis. Stamina 6, 
inclusa vel exserta, filamentis filiformibus — glabris, — oblongis 
vmm versatilibus bilocularibus. Ovarium rudimentare. Fm. Peri- 
anthi aris. Stamina abortiva, inclusa. ‘Diane tri ide. rum, sessile 
ia, ovulis in loeulo 2 prope basin axis collateraliter insertis ; 
stylus brevissimus ; stigma peltatum, trilobatum. Capsula membranacea, 
solitariis oblongis vel globosis duris turgidis ascendentibus. Testa 
branacea, obscure brunnea vel MEE Embryo centralis, in 
axi albuminis cornei ex apice ad basin inis egrediens ices 
caudice pira elongato basi tuberoso vel hemispheric, foliis angustis 
uri tis haud spinoso-marginatis, paniculis amplis th rsoideis, 
rim densifloris vel laxifloris, bracteolis membranaceis persistentibus, 
pedicellis articulatis, floribus parvis inconspicuis 
Clavis a 
Leaves flat, 1-1 inch broad, not bordered, minutely serrulate, much re- 
curve 
es green, an inch broad. 
Panicle lanceolate. Veins prominent longifolia. 
Panicle lanceolate. Veins ; rM k . 2, recurvata. 
Leaves glaucous, half an inch stricta. 
Leaves flat, an inch broad, not Mia, ‘bordered 
with atin: red line sa dehiscent thread 
Leaves narrow 1—1 inch broad, tines channelled 
down the face, serrulate, not 
Caudex a low hemispherical mass, goien nume- 
rous rosette: 
Caudex an elongated trunk, bearing a ‘solitary 
rosette, rarely forked . 
Leaves splitting into a tuft of fibres at the apex 6. erumpens. 
Leaves entire at the 
Leaves stiff, channelled down the face. Scape 
very short. Panicle dense 7. Hartwegiana. 
Leaves flat, oe Scape as long as the 
= wr 
Bigelovii. 
Hookeri. 
P 
lax pan 8. Lindheimerin 
1. B. LONGIFOLIA, Baker Yucca longifolia, Karwinski in Schult. pe 
Veg. vii. 1715.  Dasylirion longifolium, Zuccarini in Otto and Dietr. 
mum. Gartenzeit. 1838, no. 33, p.258; Kunth, Enum. v. 41 ; Morren 
elg. Hort. xv. p. 321, t. 20-1. ulinia Karwinskiana, 4 
= , vol. xiv. p. 319; caudice elongato bas: — 
a iis lineari-ensiformibus planis 4—5 pedes longis, supra basin gue 
2s wer ridibus immarginatis venis exsculptis apice pits ied 
rie sın panieulam lanceolato-thyrsoideam dispositis, ramulis superne 
ensifloris, pedicellis elongatis, staminibus 
bre : 
a of. Mexico, first brought into notice by Karwinski pole! y bres 
aware that it has ever been flowered in this country, but the caprin is v 
e Zuccarini, and there is a full description by Prof. Morren, ber 
figure the male panicle, i in the ‘Belgique Horticole,’ from a specimen 
