;V2s GAOTEAE. 



CEREIS. 



pressis siibcrpniilnlis; arcolis approximatis, paiillultim promineiilij». albidis, la- 

 nuginc parca; aculcis rcclis inacqualib. gracilib. fulvis, cxtcriorib. U-8 divaricalis, 

 ccnlralib. 2-3 longioribus. — Cacl. nifjcr Spr. Sysl. vcg. II. 49.5. — /9. gracilior 

 S. Dyck. — Trunco dimidio graciliore. — (Ircscil in America calida. 



29. C. .\i:UEUS S. Dyck mss. cx PfcilT. I. c. 83. — Ererlus atrovirens 7-8-angularis: 

 sinubus latis; coslis compressis valdc aculeatis; areolis approximalis magnis 

 convexis aurco-tomentosis, lana parca inslruclis; aculeis aurcis, exteriorib. 8-10 

 subacqualib., cenlralib. 3-4 multo longiorib., omnib. rcctis rigidis. — Crcscit ? 



30. C. LLTESCENS S. Dyek mss. ex Pfeiff. I. c. 84. — Erectus viridis 6-7-angularis: 

 sinubus subacutis; costis comprcssis subrepandis v. rectis; crista obtusiuscula; 

 arcolis subremotis, parum prominciitib., griseo-stramineis; lana parca alba; acu- 

 lcis exleriorib. 10 — 12 inaequalib. stramineis, ccntralib. 4-6 duplo longiorib. el 

 crassiorib., omnib. reclis rigidis lenuib. llavis. — Cer. aureus 13. pallidior llort. 

 Dyck. — Crescit ? 



31. C. aiORITZI.VNUS Ollo mss. ex Pfeiff. 1. c. — Erectus 7-8-angularis viridis, 

 apicc lanuginosus: sinubus latis acutis; costis obtusis vix repandis; areolis albi- 

 dis lanuginosis; aculeis gracilib. rectis rigidis flavidis, centralib. 3, exteriorib. 6-8- 

 Crescil in La Guayra. 



32. C. CRENUL.4TUS S. Dyck, Obs. bot. 1822. p. 6. — Pfciff. 1. c. 84. f — Erectus 

 cinerco - virens 9 — angularis: sinubus acutis; costis subcompressis crcnulatis; 

 areolis subconferlis magnis griseo-lomentosis, lanugine denuente instructis; acu- 

 lcis exteriorib. 9-12, supremis minimis, centrali 1 reliquis duplo longiore, omnib. 

 rectis rigidis, cinerascentib., apice nigris. — Cacl. Royeni Willd. — Cer. acro- 

 melas Indx. Cact. hort. Berol. 1833. — /?. griseus S. Dyck. — Colore trunci obscu- 

 riore, aculeisquc longioribus. — In America meridionali, Curafao. 



a3. C. ALBISPINUS S. Dyck, Observ. botan. 1822. p. 5. — Pfeiff. I. c. 85. t — Erec- 

 tus simplex (rarius basi ramosus) cinereo — virens 8-10-angularis: sinubus mox 

 obsoletis; costis obtusis; areolis approximatis griseo - tomentosis; aculeis rectis 

 rigidis gracilibus albis, apice nigricanlibus, exterioribus 10-13, centralibus 2-4 

 longioribus. — Ccr. octogonus, decagonus Hort. — In America meridionali. 



34. C. COERULESCENS S. Dyck, Hort. Dyck. p. 335. - Pfeiff. I. c. — Erectus atte- 

 nuatus coerulescens 8-angularis: costis obtusis; areolis approximatis; aculeis 

 selaceis e tomenlo nigro bicolorib., albis aut nigris, exleriorib. 12 radiantib., 

 centralib. 3-4, summo saepe validiore. — Cer. Aethiops Haw. Philos. Magaz. 1830. 

 p. 109? — Cer. Mendory Horl. — In Brasilia. 



35. C. AZUREUS Parm. mss. ex Pfeiff. 1. c. 86. t — Erectus attenuatus, pruina azu- 

 rea obducfrus, hucusque 6-anguIaris: costis obtusis repandis; sinu aculo; areolis 

 rcmotis, tomento brunneo lanaq. grisea inslructis; aculeis exleriorib. 8 radianlib. 

 albis, apice sphacelatis, centralibus 1-3 validioribus hrunneis. — In Brasilia. 



36. C. SPiMBARBIS Otto mss. ex Pfeiff. I. c. 8<). — Erectus 9-anguIaris: sinubus 

 aculis; costis oblusis obrepandis; areolis immersis magnis ovalib. albidis subla- 

 nuginosis; aculeis rectis rigidis cinereis, apice nigris, centralib. 2-4 crassiorib., 

 exterioribus 8 radiantibus. — In Chili ad Coquimbo. 



p. Glabri: Areolis nudis tomentosls, lanugine nulla. 

 a. Robusti. 



37. C. CHILENSIS Colla, PI. rar. hort. Ripul. app. 2. p. 342. - Pfeiff. L c. 86. - 

 Erectus crassus simplex 10-12-angularis yiridis: sinubus obsoletis; costis rolun- 

 datis; areolis remotis oblongis magnis; aculeis e lomenlo brevissimo cincreo 8-10 

 validis fusco -albidis rectis divaricatis, inacqualib., centralib. 1-2 validissimis 

 conicis rectis brunneis, basi latiore tomento insertis. — Cer. Coquimbanus Ilort. 

 non Molin. — Cer. Quintero H. Gotling. — Echinoc. pyramidalis, elegans et Cer. 

 subrepandus Hort. — In Chili. 



38. C. STELLATUS Pfeiff. in Olto et Dietr. Allgem. Gartenzlng. 1836. p. 258. — Enum. 

 diagnost. 87. — Erectus robustus 9-angularis laele viridis: sinubns acutis; coslis 

 compressis oblusis obrepandis; areolis approximatis immersis albo-lomentosis; 



