466 COMPOSIT# (Harv.) [Landtia. 
and Magalisberg, Burke § Zey.! Zey./ 962. Winterberg, Mrs. F. W. Barber! 531. _ 
Old Ant Hills, Featherston’s Kl. P. McOwan, 117. Bigarsberg, Gerr. § MeK, 1041. 
(Herb. D., Hk., Sd.) 
Much larger than H. Thunbergii, with greatly longer peduncles and a very different 
involucre. Leaves 3-10 in. long, 13-4 in. wide. Pedunc. 12~18 in. long, even where 
the leaves are but 3-4in. Heads 2 in. across, with many long, yellow, concolourous 
rays, 
4, H. lanata (Less.! Linn. 6, 90); leaves scabrous above, white-woolly 
beneath, oblong or obovate, acute or obtuse, tapering to the base, sub- 
petiolate, subentire or crenate ; pedunc. 2-3 times longer than leaves, 
hirsute ; outer inv. sc. lanceolate, hairy; achenes silky over the whole 
surface; pappus-scales lance-linear, obtuse or subacute, but not taper- 
pointed. Less. Syn. p. 36. H. Lessingit, DC. 1. c. 494. 
Has. Platteklip, on Table Mt. Cape, Bergius, E. § Z./ Zey./ 966. (Hb. Sd., Hk.) 
Rootstock thick and woody. ‘Leaves radical, 2~3 inches long, 3-1} in. wide, very 
white beneath, thickish. Pedunc. 2-6 inches high. Rays white above, dark purple 
beneath. £. § Z.’s specimens were confounded by DC. with Arctotis acaulis, var. B; 
besides the generic characters, they are easily known from that species by the invol. 
CXXVIII. LANDTIA, Less. 
Heads radiate ; ray-fl. ligulate, female ; disc-fl. 5-toothed, perfect. 
Recept. nude, flat. nv. sc. imbricate in few rows, many-nerved, the 
outer acuminate, inner scarious, obtuse. Filaments smooth! Achenes 
wingless, 4-sided, sulcate, hairy at base. Pappus uniseriate, of many 
delicate, diaphanous, nerveless, obtuse scales. DC. Prodr. 6, p. 494- 
Stemless perennials, with the habit of Haplocarpha (from which genus this chiefly 
differs by its smooth filaments), Scapes shorter than the leaves. Name in honour of 
Rev. M. Landt, who wrote on the Nat, Hist. of the Faroe Islands. 
Upper surface of leaves and nerves beneath hirsute ... ... (4) hirsuta. 
Upper surface of leaves and nerves beneath quite glabrous... (2) nervosa. 
1. L. hirsuta (Less. Syn. 37); leaves hirsute, with jointed hairs above 
white-woolly beneath, and hirsute on the nerves; outer inv. sc. pilose 
DO. 1. ¢. 495. Also Arctotis echinata, DC.! l.c. 486. Landtia media,. 
Drege! in Hb. Hk. 
Has. Cape, Thunberg/ Caffirland, Z.¢@Z.! (Herb. D., Hk., Sd.) 
Leaves radical, tapering at base into a petiole, elliptic-oblong, irregularly toothed, 
repand or subruncinate, the teeth mucronate, green and very hairy above ; penni- 
nerved, with woolly interspaces beneath, 4-6 inches long, 14-24 in. wide. Pedune. 
hirsute, much shorter than leaves. Heads small, few-fl.; outer iny. se. lanceolate- 
acuminate, hirsute ; inner glabrous, obtuse. Rays yellow. 
2. L. nervosa (Less. Syn. 38); leaves quite glabrous and smooth 
above, thinly tomentose-canous beneath and smooth on the nerves ; 
outer iny. se. glabrous. DC. l. c. 495. Also L. media, DC./1.¢. Per- 
dicium nervosum, Th. Cap. 689. Leria nervosa, Spr. 
Has. Cape, Thunberg! Cape, Mundt! Katberg, E. § Z., Drege? (Hb. Hk., 84.) 
Similar to the last, except in pubescence ; very distinct-looking, but perhaps ® 
mere local var. 
‘ : CXXIX. ARCTOTHECA, Wendl. 
Heads radiate; ray-ft. ligulate, neuter; disc-fl. 5-toothed, perfect. 
