APPENDIX. 251 



Corrections and Additions to Volume I. 



On page 11, vol. i, under Pereskia pereskia, add to illustrations : Garten-Zeitung 4 : 182. 

 f. 42, No. 5; Gard. Chron. iii. 20: f. 108; Stand. Cycl. Hort. Bailey 2: f. 714, as Pereskia 

 aculeata; London, Encycl. PI. ed. 3. 413, as Cactus pereskia; Mollers 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. i, 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; 

 Kngler and Drude, Veg. Erde 13 : f . 10, as Pereskia guatemalensis . 



On page 14, vol. i, under Pereskia sacharosa, add the synonym: Pereskia amapola 

 argentina Weber in Weingart, Monatsschr. Kakteenk. 14: 87. 1894. 



On page 17, vol. i, under Pereskia guamacho, insert: Illustration: Carnegie Inst. Wash. 

 269: pi. II, f. 92, 93. 



On page 20, vol. i, under Pereskia grandifolia, add to illustrations: Riimpler, Sukku- 

 lenten f. 128; Engler and Prantl, Pfianzenfam. 3^"*: f. 57, j; Bliihende Kakteen 3: pi. 137; 

 Watson, Cact. Cult. f. 6, in part; 222. f. 87; ed. 3. f. 63; Karsten, Deutsche Fl. ed. 2. 2: 

 456. f. 605, No. 9; Loudon, Encycl. PI. ed. 3. 1202. f. 17371; Van Geel, Sert. Bot. 4: pi. i, 

 as Pereskia bleo; Diet. 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. i, Pereskia zinniaeflora, add to illustrations : Watson, Cact. Cult. ed. i 

 and 2. 223. f. 88; ed. 3. f. 64; Diet. Gard. Nicholson 4: 586. f. 55. 



On page 21, vol. i, under Pereskia horrida, substitute for this name: 



Pereskia humboldtii nom. no v. 



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. i, at end of Pereskia, add: Pereskia recurvifolia and P. galeottiana 

 are two names marked with an asterisk by Lemaire (Cactees 95. 1868), indicating that 

 they are new. So far as we know they were never described. 



On page 24, vol. i, at end of Pereskia insert: 



Pereskia pflanzii Vaupel, Zeitschrift Sukkulentenk. i: 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. i, under Pereskiopsis chapistle, add to illustration: Smiths. Misc. 

 Coll. 50: pi. 43. 



On page 28, vol. i, under Pereskiopsis porteri, add the synonym: Opuntia rotundifolia 

 Brandegee, Zoe 2: 21. 1891. Not Pereskia rotundifolia De Candolle, 1828. 



On page 29, vol. i, under Pereskiopsis spathulata, insert: Illustration'-Mollers Deutsche 

 Gart. Zeit. 25: 488. f. 22, No. i, as Pereskia spathulata. 



