2 54 THE CACTACEAE. 



Add to illustration: Bull. Agr. Exper. Sta. N. Mex. 78: pi. 11, 12; North Amer. 

 Fauna 7: pi. 9; Pac. R. Rep. 4: pi. 17, f. i to 4; Stand. Cycl. Hort. Bailey 4: f. 2609. 



On page 57, vol. i, under Opiintia acanthocarpa, add to illustration: Stand. Cycl. 

 Hort. Bailey 4: f. 2606; Gartenwelt 11: 75. 



On page 57, vol. i, under Opuntia echinocarpa and 0. parryi, respectively, add the 

 synonyms: Cactus echinocarpus and C. parryi Lemaire, Cactees 88. 1868. 



On page 58, vol. i, under Opuntia bigelovii, add to illustrations: MacDougal, Bot. N. 

 Amer. Des. pi. 47: Shreve, Veg. Des. Mt. Range pi. 4; Contr. U. S. Nat. Herb. 16: pi. 10; 

 Stand. C3-CI. Hort. Bailey 4: f. 2607; Karsten and Schenck, Vegetationsbilder 4: pi. 40, b. 



On page 61, vol. i, under Opuntia cholla, insert: Opuntia chella (Index Kew. Suppl. 

 1 : 302) is a t3'pographical error for 0. cholla. 



On page 62, vol. i, under Opuntia versicolor, add to illustrations: Carnegie Inst. 

 Wash. 269: pi. 8, f. 81 ; pi. 9; MacDougal, Bot. N. Amer. Des. pi. 58; Plant World 9^'-: f. 50. 



On page 63, vol. i, under Opuntia imhricata, add the synonym: Cactus imhricatus 

 Lemaire, Cactees 88. 1868. Also add to distribution: Oklahoma. 



Insert: Rydberg (Fl. Rocky Mountains 576. 1917) reports this species from Utah 

 under the name of Opuntia arborescens ; we have seen no specimens of it from Utah. 



Insert: Cactus subqua3riflorus Mocino and Sesse (De Candolle, Prodr. 3: 471. 1828), 

 given as a synonjon of Opuntia rosea, doubtless belongs here. Schumann's reference, C. 

 quadriflorus, is incorrect. C. siibqiiadrifolius (Cactaceae 3: 65) is a clerical error. 



Add to illustrations: Diet. Card. Nicholson Suppl. 179. f. 195, as Opuntia decipiens; 

 Diet. Card. Nicholson4: 581. f. 52, as 0. rosea; Stand. Cycl. Hort. Bailey 4: f. 2608; Engler 

 and Drude, Veg. Erde 13: f. 28, in part; Gartenwelt 4: 159, as 0. arborescens; Bot. Jahrb. 

 Engler 58: Beibl. 129: 33. f. 10. 



On page 66, vol. i, under Opuntia tunicata, add to illustrations: Garden 13: 107,* 

 as Opuntia exuviata; Mollers Deutsche Gart. Zeit. 25: 476. f. 9, No. 7; Goebel, Pflanz. 

 Schild. i: f. 36, as 0. stapeliae; Contr. U. S. Nat. Herb. 10: pi. 17, f. a. 



On page 68, vol. i, under Opuntia fulgida, add to illustrations: MacDougal, Bot. 

 N. Amer. Des. pi. 57, as Opuntia mamillata; MacDougal, Bot. N. Amer. Des. pi. 87. 



On page 68, vol. i, under Opuntia spinosior, insert: This plant is sometimes found in 

 the trade as Opuntia arborescens spinosior (see Grassner). 



Add to illustrations: Emory, Mil. Reconn. App. 2. f. 10, as Opuntia arborescens; 

 Shreve, Veg. Des. Mt. Range pi. 2, a. 



On page 71, vol. i, under Opuntia vestita, insert: Illustration: Mollers Deutsche Gart. 

 Zeit. 25: 476. f. 9, No. 8. 



On page 73, vol. i, under Opuntia clavarioides, add to illustrations: Garden 13: 107, 

 as Opuntia clavarioides cristata; Rother, Praktischer Leitfaden Kakteen 106; jMollers 

 Deutsche Gart. Zeit. 15: 67; 25: 476. f. 9, No. 19; Thomas, Zimmerkultur Kakteen 59; 

 Wiener 111. Gart. Zeit. 28: f. 18; Monatsschr. Kakteenk. 32: 131. 



On page 73, vol. i, under Opuntia salmiana, insert: Extend range to central Argentina 

 and habit to rocky hillsides (according to W. B. Alexander). 



On page 75, vol. i, under Opuntia subulata, add to illustrations: Deutsche Gart. 

 Zeit. 8: 32, as Pereskia subulata; Haage and Schmidt, Haupt-Verz. Kakteen 1919: 169; 

 Goebel, Pflanz. Schild. i: f. 35; Mollers Deutsche Gart. Zeit. 25: 476. f. 9, No. 15. 



On page 78, vol. i, under Opuntia cylindrica, add to illustrations: jNIollers Deutsche 

 Gart. Zeit. 25: 476. f. 9, No. 12; Gartenwelt 15: 539; Rother, Praktischer Leitfaden 

 Kakteen 107; Cact. Joum. i: ido; Schelle, Handb. Kakteenk. 42. f. 4, as Opuntia cylin- 

 drica cristata; Wiener lUustr. Gartenz. 29: f. 22, No. 10; De Laet, Cat. Gen. f. 88; 

 ^Monatsschr. Kakteenk. 13: 71; Schelle, Handb. Kakteenk. 42. f. 3. 



*This illustration is very poor and is only tentatively referred here. If native to California, as one might infer 

 from the account which accompanies the illustration, it maj' refer to a form of Opuntia proUfera or O. echmocarpa. 



