Gasteria.] LILIACEZ (Baker). 291 
Dyck, Obs: 62; Aloe, sect. xxix. jig. 37; Kunth, Enum. iv. 548. 
A, Lingua var. brevifolia, Salm-Dyck, Cat. 17. 
Sovrn Araica: without locality. 
First described from the Vienna collections in 1815. 
10. G. disticha (Haw. in Phil. Mag. 1827, 352); leafy stem 
1-1} in. long; leaves 10-12, crowded, lorate, distichous, 4-6 in. 
long, 13 in. broad, 1 in. thick in the middle, flat on the face and dull 
green with copious, small, immersed, scattered white spots, deltoid- 
cuspidate and horny at the apex, denticulate below it, border 
never doubled in the type, clasping base with a white horny edge ; 
peduncle simple or branched; racemes 1-11 ft. long; pedicels 
4-3 in. long ; bracts minute, lanceolate; perianth 3-2 in. long, ball 
oblong, } in. diam. Baker in Journ. Linn. Soc. xviii. 186. 
G. denticulata, Haw. Suppl. 50. Aloe disticha, a, Linn. Sp. Plant. 
321 ; Roem, et Schultes, Syst. Veg. vii. 666; Kunth, Enum. iv. 546. 
A. Lingua, Thunb. Diss. No. 14, ex parte; Salm-Dyck, Aloe, sect. 
xxix. fig. 33. A. linguiformis, Miller, Gard. Dict. edit. viii. No. 13, 
ex parte; DC. Plant. Grasses, t. 68. 
Var. 8, minor (Baker in Journ. Linn. Soc. xviii. 187); leaves fewer, not 
more than 2-3 in. long, 1 in. broad ; peduncle simple ; raceme of fewer flowers. 
_ VaR, y, @. conspurcata (Haw. in Phil. Mag. 1827, 353) ; leaves longer, some- 
times a foot long; spots denser, smaller; tubercles of the edge less raised ; 
flowers rather larger. Aloe conspurcata, Salm-Dyck, Obs. 59; Aloe, sect. xxix. 
Jig. 31; Kunth, Enum. iv. 546. ‘ 
_ Van. 8, G. angustifolia (Haw. Syn. 88); leaf thicker than in the type, with 
the face slightly concave. Aloe angustifolia, Salm-Dyck, Obs. 57: Aloe, sect. 
xxix. fig. 30. A. Lingua var. angustifolia, Haw. in Trans. Linn. Soe. vii, 13. 
Var. ¢, G. angulata (Haw. in Phil. Mag. 1827, 354) ; leaves thicker than in 
the type, with one of the borders often doubled; spots sometimes aggregated 
into irregular bands ; perianth an inch long. G. longifolia, Haw. Syn. 88. Aloe 
angulata, Willd. in Ges. Naturf. Fr. Berl. Mag. v. 276; Salm-Dyck, Aloe, sect. 
xxix. fig. 29; Kunth, Enum. iv. 546. A. Lingua var. longifolia, Haw, in 
Trans. Linn. Soc. vii. 13. ; 
Soura Arrica: without locality. 
Cultivated in Europe from the beginning of the eighteenth century. 
11. G. sulcata (Haw. in Phil. Mag. 1827, 354); leafy stem 1}—2 in. 
long; leaves 10-12 in a distichous or slightly twisted rosette, 
crowded, lorate, 6-8 in. fong, 14-1? in. broad, rounded at the tip and 
with a small cusp, usually doubled at the borders and conspicuously 
tubercled, thicker in texture than in A. disticha, dull pale green, with 
copious, minute, scattered, immersed, sometimes indistinct spots, 
horny border of the base very narrow; peduncle simple, a foot or 
more long; raceme simple, a foot or more long; pedicels §~g in. 
long ; bracts small, lanceolate; perianth $ in. long, tube oblong, 
¢ in. diam, Baker in Journ. Linn. Soc. xviii. 187. Aloe suleata, 
Salm- Dyck, Obs. 54; Aloe, sect. xxix. fig. 32; Kunth, Enum. iv. 545. 
A. Lingua var. angulata, Haw. in Trans. Linn. Soc. vii. 13. 
Sourn Arrica: without locality. 
Introduced into cultivation before 1804. 
