Tas. 5201. 
YUCCA CANALICULATA. 
Channel-leaved Yucca, or Adam’s Needle. 
Nat. Ord. Litrace®.—Herxanpria MonoGynia. 
Gen. Char. Perigonium hexaphyllum ; foliola eequilonga, interiora latiora, cam- 
panulato-conniventia, ima basi connata, marcescendo-persistentia. Stamina 6, 
perigonii foliolis basi inserta; filamenta brevia, plana, apice latiora. Ovarium 
triloculare. Ovula in loculis plurima, horizontalia, biseriata, anatropa; stigmata 
3, sessilia, basi subconnata, apice patentia. Capsula oblonga, obtuse hexagona, 
subbaccata, vertice primum forata, demum loculicido-subtrivalvis, trilocularis, v. 
' septis secundariis incomplete sexlocularis. Semina plurima, biseriata, horizontalia, 
obovata, compressiuscula. Testa coriacea, nigra. Embryo axilis, dimidio albumine 
breviore, extremitate radiculari umbilico proxima.—Plante in America tropica 
cis equatorem et in boreali calidiore indigene ; caudice sepius arborescente, interdum 
hypogao; foliis in apice caudicis confertis, lineari-lanceolatis, crassis, rigidis, margine 
sepius spinuloso-serratis ; scapo ¢ foliorum centro bracteato, paniculato, Endl, 
, 
Yucca canaliculuta ; caule sesquipedali crasso, foliis densis bipedalibus lanceolatis 
erassis supra basin. latioribus sensim spinoso-acumiuatis rigidissimis insig- 
niter concavo-canaliculatis subtus asperis superne levibus marginibus in- 
tegerrimis rubro-subcartilagineis, panicula ampla compacta densiflora, flori- 
bus sulphureis, perianthio globoso, foliolis late ovatis acutis concavis acutius- 
culis basi subito angustis. 
We were much struck with the beauty of this Yucca in the 
cool greenhouse of W. Wilson Saunders, Esq., Hillfield, Reigate, 
in the summer of the present year. His flowering specimen 
had been purchased at the sale of the collection of the late Ro- 
bert Bevan, Esq., of Bury St. Edmund’s; name and locality un- 
known. A young plant of the same kind had been received by 
Mr. Saunders, from Paris. It appears to be quite undescribed, 
and is probably of Mexican origin. It belongs to the section 
“ foliis margine integerrimis,” and may rank next to Yucca 
gloriosa, Linn., differing however remarkably from that in the 
form and colour of the flowers, and still more in the singularly 
straight, rigid, very concavo-canaliculated foliage. We know of 
SEPTEMBER Ist, 1860. 
