344 Litiacez (Baker). [ Haworthia. 
Var. 8, H. virescens (Haw. Revis. 52); leaves darker green, with a few white 
tubercles beneath in the line of the keel. Aloe virescens, Roem. et Schultes, Syst. 
Veg. vii. 687; Kunth, Enum. iv. 500. 
Sours Arrica: without locality. 
Introduced into cultivation early in the eighteenth century. Figured twice 
by Commelyn. 
27. H. scabra (Haw. Suppl. 58; Revis. 51); leafy stem very 
short; rosette of leaves about 2 in. diam.; leaves about 10, multi- 
farious, ovate, ascending, 14-2 in. long, 3-1 in. broad, {—} in. thick, 
dull green, flat or slightly concave on the face, rounded on the back 
and obliquely keeled towards the tip, rough all over with small 
crowded concolorous tubercles; peduncle simple, slender, under a 
foot long; raceme lax, few-flowered ; pedicels 3—1 in. long; bracts 
very small, ovate ; perianth § in. long; limb half as long as the tube. 
Baker in Journ. Linn. Soc. xviii. 207. Aloe scabra, Roem. et 
Schultes, Syst. Veg. vii. 644; Salm-Dyck, Aloe, sect. vii. fig. 1; 
Kunth, Enum, iv. 507. 
SoutH Arrica: without locality. 
Introduced into cultivation in England about 1818, probably by Bowie. 
28. H. sordida (Haw. Revis. 51); leafy stem short; rosette about 
4 in. diam.; leaves 10-12, multifarious, ascending, lanceolate- 
deltoid, very acuminate, 3-4 in. long, 1-1} in. broad, } in. thick, 
concave on the face, rounded on the back, dull green, slightly 
scabrous, especially beneath ; peduncle slender, simple; raceme lax, 
about 3 ft. long; pedicels short; bracts minute; perianth } in. 
long ; limb half as long as the tube. Baker in Journ. Linn. Soc. 
xvili. 207. Aloe sordida, Roem. et Schultes, Syst. Veg. vii. 644 ; 
Salm-Dyck, Aloe, sect. vii. fig. 2 ; Kunth, Enum. iv. 507. 
Sourn Arrica: without locality. 
Introduced into cultivation in England about 1820. 
29. H. icosiphylla (Baker in Journ. Linn, Soc, xviii. 207); 
leafy stem short; rosette 3 in, diam. ; leaves about 20 in a dense 
multifarious rosette, lanceolate-deltoid, 14-14 in. long, } in. broad, 
% in. thick in the centre,.slightly recurved, purplish-green, concave 
on the face, rounded on the back and keeled upwards, scabrous all 
over both surfaces with minute concolorous papille; peduncle 
simple, } ft. long; raceme drooping, lax, 3 ft. long ; lower pedicels 
3 in, long ; bracts deltoid, as long as the pedicels; perianth §-} in. 
long ; limb a third as long as the tube. 
SoutH Arrica: without locality. 
H. glabrata var. ceneuter. plants cultivated at Kew in 1872. Most rese 
30. H. Tisleyi (Baker in Journ. Linn. Soc. xviii. 208); leafy 
stem short 3 rosette of leaves 23-3 in. diam.; leaves 30-40 in @ 
dense multifarious rosette, lanceolate-deltoid, 1-1} in. long, § in. 
