Aloe. | LILIACER (Baker). 
Leaves lanceolate or oblong-lanceolate; 
Leaves with a long pellucid awn 
Leaves thin without an awn... 
Leaves thick without an awn : 
Perianth 14-14 in. long: 
Leaves copiously tubercled on the 
back . 
Leaves smooth or slightly tubercled 
on the back “ 
Perianth 13-2 in. long... 
Stamens and style much exserted : 
Leaves linear. ty 3 a ne 
Leaves lanceolate ... 
Leaves ensiform 
oor 
see 
Group 2.° Brevicaules. 
the dense rosette of leaves; leaves not spotted. 
Leaves margined with prickles: 
Leaves without raised ribs on their face : 
Leaves very glaucous, 4-6 in. long, not 
distinctly lineate: 
Prickles not confluent ... eer 
Prickles confluent in a horny border ... 
eee 
808 
(7) aristata. 
(8) Boylei. 
(9) humilis. 
(10) pratensis. 
(11) virens. 
(12) Bowiea. 
(13) longistyla. 
(14) Ecklonis. 
Old saisied with a simple stem a few inches long below 
(15) brevifolia. 
(16) Serra. 
ve lineata. 
18) heteracantha, 
(19) striata. 
(20) serrnlata. 
(21) Saponaria. 
Leaves with very distinct vertical lines... 
Leaves with 1-2 raised ribs on their face 
Leaves entire... ion ss 
Group 3. Maculate. ola snide with a es stem below the dense rosette of 
very much spotted leaves. 
Leaves lanceolate or oblong-lanceolate : 
Prickles minute as ves oe 
Prickles larger ; racemes dense, capitate : ; 
Leaves 14-2 in. broad : awe < 
Teaves 24—4 in. broad : 
Prickles 3-4 in. long 
Leaf} in. thick i in the middle ae 
Leaf } in. thick in the middle... 
Prickles 4 in. long ro 
Prickles larger ; racemes elongated :| 
Lower pedicels 1-1} in. long... 
Lower pedicels about ¢ in. long: 
Leaf 24-3 i in. broad : 
Leaf 14-2 in. broad: 
Perianth much _ con- 
stricted aS se 
Perianth but little con- 
Leaves ensiform : 
Rosette of leaves dense : 
Perianth § in. long; tube short... fies 
Perianth an inch long ; 3 tube long... ove 
Rosette of leaves lax : 
Leaves 6-8 in. long, an inch broad.., 
Leaves 1-1} ft. long, 14-2 in. broad 
(22) latifolia. 
‘23) leptophylla. 
(24) macracantha. 
(25) obscura. 
ad grandidentata. 
27) Greenii. 
(28) gasterioides. 
(29) tricolor. 
(30) microstigma, 
(31) Monteiroi. 
(32) consobrina. 
(33) spicata. 
Group 4. Laxi gem Leaves of the mature plant laxly disposed on an elongated 
stem, not s' 
Leaves linear, 4-1 in. broad; stems sarmentose : 
Perianth ee 
(34) tenuior, 
