APPENDIX. 289 
Add to illustrations: Schumann, Gesamtb. Kakteen f. 15, as Cereus tephracanthus. 
On page 193, vol. 11, under Malacocarpus concinnus, add to illustrations: Succulenta 3: 
22, 48, as Echtnocactus concinnus. 
On page 193, vol. 111, under Malacocarpus scopa, add to illustrations: Rother, Prak- 
tischer Leitfaden Kakteen 107, as Echinocactus scopa cristatus; Kaktusy 26, as Echinocactus 
scopa; Kaktusy 27, as E. scopa cristata; Kaktusy 28, as E. scopa rubra. 
On page 195, vol. m1, under Malacocarpus linki1, insert: Echinocactus ottonts linkii 
Hortus (Forster, Handb. Cact. ed. 2. 554. 1885) is given as a synonym of E. linkiti. 
On page 196, vol. 111, under Malacocarpus ottonts, add to illustrations: Succulenta 3: 56, 
as Echinocactus ottonts tenuispinus; Rother, Praktischer Leitfaden Kakteen 34, as E. ottonis. 
On page 198, vol. 11, under Malacocarpus erinaceus, add to illustrations: Watson, 
Cact. Cult. 98. f. 32, as Echinocactus corynodes. | 
On page 200, vol. 11, under Malacocarpus mammulosus, add to illustrations: Rother, 
Praktischer Leitfaden Kakteen 30, as Echinocactus submammulosus. 
On page 202, vol. 11, under Malacocarpus haselbergti, add to illustrations: Succulenta 
3: 31, as Echinocactus haselbergit. 
On page 205, vol. m1, under Malacocarpus leninghausit, add to illustrations: Succu- 
lenta 3: 39, as Echinocactus leninghausit. 
On page 207, vol. 111, under Hickenta micro- 
sperma, add to illustrations: Succulenta 3: 71; 
5: pl. 1; Thomas, Zimmerkultur Kakteen 35, as 
Echinocactus microspermus. 
On page 237, vol. 11, insert the following: 
19. Cactus oaxacensis sp. nov. 
Globular to ovoid, 12 to 15 cm. thick, witha 
small, low crown only 2 to 3 cm. high and 3 to 4. cm. 
broad; ribs 11 to 15, prominent, usually rounded; 
radial spines 8 to 12, subulate, more or less recurved 
at first, reddish brown but grayish in age, 2 cm. long 
or less; central spines 1 or sometimes 2, erect or por- 
rect; flowers slender, about 2 cm. long, dark rose; 
filaments and style light yellow; fruit thick-clavate, 
2 to 4.5 cm. long, scarlet, shiny; seeds small, black. 
This plant was illustrated and mentioned 
in the place here cited (Cactaceae 3: 237. f. 
249) but was not given a specific name. Since 
then C. R. Orcutt reports finding it at Salina 
Cruz and Dr. B. P. Reko sends us a photograph 
and flowers obtained by him in 1923, while Dr. 
J. A. Purpus re-collected it in 1923 (type) and 
has sent us living plants. 
Illustration: Cactaceae 3: 236. f. 249, as Cactus sp. 
Figure 262 is from a photograph of the plant sent us by Dr. Reko. 
Fic. 262.—Cactus oaxacensis. 
On page 238, vol. 11, insert: Melocactus ellemeetit Miquel (Nederl. Kruidk. Arch. 4: 
336. 1858) and M. pachycentrus Suringar (Verh. Akad. Wettensch. Amst. II. 8: 28. 1901) 
have not been identified. 
On page 238, vol. m1, at end of Cactus add: Cactus aculeatissimus is listed by Stendel 
(Nom. 131. 1821) credited to Zeyher and cited by the Index Kewensis, but it has never 
been identified. 
Cactus tuna major is used by Roxburgh (Hort. Beng. 37. 1814). 
