APPENDIX. 251 
CORRECTIONS AND ADDITIONS TO VoLUME I. 
On page 11, vol. 1, under Pereskia pereskia, add to illustrations: Garten-Zeitung 4: 182. 
f. 42, No. 5; Gard. Chron. m1. 20: f. 108; Stand. Cycl. Hort. Bailey 2: f. 714, as Pereskia 
aculeata; London, Encycl. Pl. ed. 3. 413, as Cactus pereskia; Méllers Deutsche Gart. Zeit. 
23: 256. f. 15, as Pereskia godseffiana. 
Also insert: Pereskia longispina rubescens Pfeiffer and P. longispina rotundifolia Salm- 
Dyck were given by Walpers (Repert. Bot. 2: 283. 1843) as synonyms of P. aculeata, but 
they were not described. 
On page 12, vol. 1, under Pereskia autumnalis, add to distribution: Common in Salvador 
where it is much planted for hedges. 
Also add to illustrations: Monatsschr. Kakteenk. 25: 35, as Pereskiopsis autumnalis; 
Engler and Drude, Veg. Erde 13: f. 10, as Pereskia guatemalensis. 
On page 14, vol. 1, under Pereskia sacharosa, add the synonym: Pereskia amapola 
argentina Weber in Weingart, Monatsschr. Kakteenk. 14: 87. 1894. 
On page 17, vol. 1, under Pereskia guamacho, insert: Illustration: Carnegie Inst. Wash. 
269: pl. 11, f. 92, 93. 
On page 20, vol. 1, under Pereskia grandifolia, add to illustrations: Riimpler, Sukku- 
lenten f. 128; Engler and Prantl, Pflanzenfam. 3": f. 57, J; Blithende Kakteen 3: pl. 137; 
Watson, Cact. Cult. f. 6, in part; 222. f. 87; ed. 3. f. 63; Karsten, Deutsche FI. ed. 2. 2: 
456. f. 605, No. 9; Loudon, Encycl. Pl. ed. 3. 1202. f. 17371; Van Géel, Sert. Bot. 4: pl. 1, 
as Pereskia bleo; Dict. Gard. Nicholson 3: 75. f. 81; Monatsschr. Kakteenk. 15: 81. 
Also add synonym: Cactus grandiflorus Link, Enum. Hort. Berol. 2: 25. 1822. 
On page 21, vol. 1, Pereskia zinniaeflora, add to illustrations: Watson, Cact. Cult. ed. 1 
and 2. 223. f. 88; ed. 3. f. 64; Dict. Gard. Nicholson 4: 586. f. 55. 
On page 21, vol. 1, under Pereskia horrida, substitute for this name: 
Pereskia humboldtii nom. nov. 
Cactus horridus Humboldt, Bonpland, and Kunth, Nov. Gen. et Sp. 6: 70. 1823. Not Salisbury, 1796. 
Pereskia horrida De Candolle, Prodr. 3: 475. 1828. 
On page 24, vol. 1, at end of Pereskia, add: Pereskia recurvifolia and P. galeottiana 
are two names marked with an asterisk by Lemaire (Cactées 95. 1868), indicating that 
they are new. So far as we know they were never described. 
On page 24, vol. 1, at end of Pereskza insert: 
Pereskia pflanzii Vaupel, Zeitschrift Sukkulentenk. 1: 56. 1923. 
Tree about 15 meters high, with verticillate branches, not very spiny; leaves thick, ovoid, 
narrowed at base, 4 cm. long by 2 cm. broad; flowers solitary at apex of leafy branches; corolla 3 
cm. long, rose-colored. 
Type locality: Vicinity of Laguna Santa Isabel, Bolivia. 
Distribution: Bolivia, but known only from type locality. 
Pereskia verticillata Vaupel, Zeitschrift Sukkulentenk. I: 55. 1923. 
Erect shrub, 2 meters high, very spiny, with verticillate branches; leaves thick, lanceolate, 5 cm. 
long by 1.5 cm. broad; flowers borne at apex of leafy branches; corolla 1.5 cm. long, rose-colored. 
Type locality: Vicinity of Laguna Santa Isabel, Bolivia. 
Distribution: Bolivia, but known only from type locality. 
On page 27, vol. 1, under Pereskiopsis chapistle, add to illustration: Smiths. Mise. 
Coll. 50: pl. 43. _ 
On page 28, vol. 1, under Pereskiopsis porteri, add the synonym: Opuntia rotundifolia 
Brandegee, Zoe 2: 21. 1891. Not Pereskia rotundifolia De Candolle, 1828. 
On page 29, vol. 1, under Pereskiopsis spathulata, insert: Illustration: Mollers Deutsche 
Gart. Zeit. 25: 488. f. 22, No. 1, as Pereskia spathulata. 
