MALACOCARPUS. 195 
We know this species from description and illustration only. 
Illustration: Martius, Fl. Bras. 4?: pl. 50, f. 2, as Echinocactus muricatus. 
Figure 207 is copied from the illustration above cited. 
_> 13. Malacocarpus linkii (Lehmann). 
Cactus linkii Lehmann, Ind. Sem. Hamburg 16. 1827. 
_> Echinocactus linkit Pfeiffer, Enum. Cact. 48. 1837. 
Oval to short-cylindric, 7 to 15 cm. high; ribs 13, obtuse; areoles somewhat sunken into the 
ribs, 8 mm. apart; spines weak, spreading; radial spines 10 to 12, white with brownish tips; central 
spines 3 or 4, brownish; flowers yellow, 2.5 cm. long, 5 cm. broad when fully expanded; inner perianth- 
segments broad, obtuse; scales of the ovary woolly and setose in their axils; stigma-lobes red. 
Fic. 208.—Malacocarpus linkii. Fic. 209.—Malacocarpus ottonis. 
Type locality: Cited as Mexico, but in error. 
Distribution: Southern Brazil. 
This species must be close to Malacocarpus ottonis and me two are often confused. 
iginal i i i er, that we believe they must be di: ; 
The original illustrations are so different, however, 
} inkii spinost 6 db. Cact. 301. 1846) is only a name. 
Ech actus linkii spinosior (Forster, Hand ct. 3 . ; 
The name Cereus linkii Lehmann appears 1n Pfeiffer’s Enumeratio ( 48. h 837) “s a 
synonym of Echinocactus linkii, but it does not occur thus where he cites it (Nov. ; 
Cereus) linkit. 
Nat. Cur. 16: 316. 1828) but as Cactus ( —— 
Illustration: Nov. Act. Nat. Cur. 16: pl. 14, as Cactus link11. 
Figure 208 is copied from the illustration cited above. 
\ 14, Malacocarpus ottonis (Lehmann). 
Sem. Hamburg 16. 1827. _ : 
. if J tenb. 3: 421. 1827. 
\Echinocactus tenuispinus Link and Otto, Verh. Ver, Belford rand nb. 3: 4° 32003 827 
Echinocactus tenuispinus minor Link _ Otto: ven an Be 
Echinocactus tortuosus Link and Otte, cor kat i ian 
Echinocactus ottonis Link and Otto, ot ae iao oa4. 
Opuntia ottonis G. Don, Hist. Dich’. . 3: 17? Pry 48. 1837. 
Echinocactus ottonis tenuispinus I feiffer, _ Cact. 48: TBS oy. Sp. 88. 1839. 
Echinocactus ottonis pallidior Monville in Lemaire, act Gere. Sp. 88. 1839. 
Echinocactus ottonis spinosior Monville in Lemat®, cat oer 1898. 
Echinocactus ottonis tortuosus Schumann, Gesamtb. 
Cactus ottonis Lehmann, Ind. 
