332 LILIACcEm (Baker). [Apiera. 
6. A. congesta (Baker in Journ. Linn. Soc. xviii. 218) ; leafy stem 
4_] ft. long, 3 in. diam. including leaves ; leaves multifarious, lanceo- 
late deltoid, 13-13 in. long, an inch broad, flat on the face, rounded 
on the back, }—2 in. thick in the middle, irregularly keeled, scabrous 
on the edges, with spots or tubercles; peduncle simple, 1} ft. long 
including the lax raceme ; pedicels very short ; bracts deltoid-cuspi- 
date; perianth smooth, }-Sin, long. Aloe congesta, Salm-Dyck, 
Aloe, sect. ii. fig. 1. 
Sour Arrica: without locality, living cultivated plants! 
First described from living plants at Berlin in 1843. 
7. A. bicarinata (Haw. Suppl. 63); leafy stem 3-1 ft. long, 
13-1} in. diam. including leaves; leaves multifarious, lanceolate- 
deltoid, $-1 in. long, } in. broad, dull green, concave on the smooth 
face, } in. thick in the centre, rough with large tubercles with whitish 
tips arranged in indistinct, vertical, and transverse rows, and fur- 
nished with two indistinct keels towards the apex on the back; 
flowers not seén. Baker in Journ. Linn. Soc. xviii. 219. Aloe 
bicarinata, Roem. et Schulies, Syst. Veg. vii. 652; Kunth, Enum. 
iv. 496. 
Sovutn Arnica: without locality. 
Described from a drawing of Haworth’s type made at Kew in the year 1818. 
8. A. aspera (Willd. in Ges. Naturf. Fr. Berl. Mag. v. 274); 
leafy stem 4-6 in. long, about 1 in. diam. ineluding leaves; leaves 
multifarious, deltoid, }~$ in. long and broad, flat and smooth on the 
face, j-} in. thick, rounded on the back and rough with conco- 
lorous tubercles ; margins crenulate ; peduncle slender, simple, about 
a foot long including the raceme; lower pedicels }-3 in. long; 
bracts small, lanceolate-deltoid ; perianth } in. long, smooth. Haw. 
Suppl. 63; Baker in Journ. Linn. Soc, xviii. 218. Haworthia 
aspera, Haw. Syn. 90. Alve aspera, Haw. in Trans. Linn. Soc. Vii. 
6 ; Salm-Dyck, Aloe, sect. ii. fig. 2; Kunth, Enum. iv. 496. 
Var. B, major (Haw. Suppl. 63); more robust ; leaves 8-lin. long, not quite 
so thick, the face flat in the old ones, rather concave in the young ones ; tubercles 
either concolorous or tipped with white. Baker, loc. cit. 219. 
SourH Arrica : without locality, living cultivated plants! 
Introduced into cultivation by Masson about 1795. 
X. HAWORTHIA, Duval. 
_ Perianth oblong-cylindrical, with a straight tube and a bilabiate 
limb with six subequal oblong seas th three lower reflexing 
more than in the three upper. Stamens 6, hypogynous, shorter than 
the perianth; filaments filiform; anthers small, oblong, versatile, 
dehiscing introrsely, Ovary sessile, oblong-trigonous; ovules 
numerous, superposed; style subulate ; stigma capitate, Capsule 
