332 CACTEAE. 



CEREUS. 



* * * A-h-angularcs. 



Caiilo creclo simplici vcl basi ramoso, 4-5-sulcalo; areolis nudis v. lanuginosis. 



09. C. J.\M.\C.\RL' S. Dyck, Ilort. Dyck. p. 330. — PfciCr. I. c. 98. t - Ereclus gran- 



dis cacsius v. coerulcus, 4-5-angularis: costis comprcssis ol)rcpandis; sinu lato; 



aculeis fulvis ex arcola lata griseo-tomenlosa, cxtcriorib. 7-9 radiantib., ccntra- 



libus 4 validis rigidissimis. — C. glancus Ilort. — In Brasilia. 



70. C. GI,.\L'CL'S S. Dyck, llorl. Dyck. p. 335. — Pfeiff. I. c. 98. — Ereclus glauces- 

 cens 5-angularis: coslis compressis; sinu lato profundo ; areolis confcrlis; aculcis 

 brevib. validiusculis flavicantib. c lomcnlo albido, exteriorib. 0-8 radiantib., ccn— 

 tralibus 3 vix longioribus. — Crescit ? 



71. C. LIVIDUS Pfeiff. in Otto ct Dictr. Allgcm. Gartenztng. 1835. no. 48. p. 380. — 

 Pfeiff. Enum. diagnost. Cact. 98. t — Ercctus robiislus plumbacco-viridis 5-an- 

 gularis: sinubus profundc incisis; costis comprcssis , vix undulatis; cristis obtu— 

 salis; areolis remotis lalis sublanuginosis, juniorib. fuscis, serius cinereis; aculeis 

 rectis rigidis brunneis (juniorib. apice luleis), ccnlralib. 3 validis, exteriorib. 5-7 

 breviorib. patentib., nonnullis saepius abortivis. — C. Peroleltii Uort. — In Ura- 

 silia et La Guayra, 



72. C. LAETEVIRENS Otto mss. ex Pfeiff. 1. c. 99. — Erectus simplex 4-angularis, 

 caesius, tandem laetissimc viridis: sinubus planis; coslis obtusis, vix obrepandis; 

 areolis convexis tomcnlosis subconfertis; aculeis brunneis gracilib. inaequalib., 

 centralibus 4, exlerioribus 10-12. — Nec C. laelevirens S. Dyck. — Crescit ? 



73. C. GRANDIS Ilaw. Suppl. p. 76. — Pfeiff. 1. c. 99. t — 3Iagnus exacte tetrago- 

 nus, simplex erectus: aculeis saepe uncialib. divaricanter fcrc intertexlis, — Num 

 Pilahaijis forte adscribendus? — In Brasilia. 



74. C. TETRAGONUS Haw. Syn. p. 180. — Pfeiff. I. c. 99. t - Ereclus longus 4-go- 

 nus viridis ramosissimus: ramis e basi et laterib. Irunci verticaliter adsccndentib. 

 4—, rarius 5-, rarissimc 3- vel 0-gonis; sinubus planis; coslis compressis trans- 

 versim plicalis; areolis approximatis, vix albo-Ianuginosis; aculcis gracilib. fuscis 

 inaequalib., exteriorib. 7-8, ccntrali 1 vix longiore. — Cacl. tetragonus L. — Uorl. 

 Kew. (ed. 2.) IIL p. 170. — Cactus tetragonus Vell. Flora Flumin. V. t. 23! 



p. minor S. Dyck, Hort. Dyck. p. 337. — Cacl. penlagnnus Willd. — Caulc te- 

 nuiore ct humiliore, saepe pentagono. — In Amcrica calidiori. 



75. C. VIRENS DC. Revue p. 116. — Pfeiff. 1. c. 99. t — Ereclus simplex 5-anguIa- 

 ris: sinubus acutis, landem planis; costis rolundalis; areolis subrcmotis fulvis, vix 

 prominentib. lanuginosis; aculeis 4-5 subulatis fulvis brevissimis deorsum spec- 

 lantib., centrali 1 horizonlali fusco rigido. — C. exerens Lk. — Cer. affinis H. Be- 

 rol. — Mexico. 



76. C. SUBLANATUS S. Dyck, Hort. Dyck. p. 337. - Pfeitf. I. c. 100. t — Ereclus 

 Iaetevirens4- (rarius5-)angularis: costis latis; areolis confcrtis parvulis, tomento 

 fulvo , lanaq. persistenle longa grisea instructis; aculeis exleriorib. 7 radiantibus, 

 minutis, binis supremis sacpe abortivis, centrali 1 ereclo valido. — Crescit ? 



77. C. TILOPHORUS Pfeiff. in Olto ct Dietr. Allgcm. Garlenztng. 18;j5. p. 380. — Pfciff. 

 Enum. diagn. Cacl. 100. — Erectus viridis 5-angularis: costis obtusis ad areolas 

 subinflatis repandis; sinubus lalis; areolis subrcmotis, floccis lanac albae deflucn- 

 tib. inslructis; aculcis fulvis reclis, exleriorib. 0-8, centrali 1 longiore. — Species 

 dubia. Descriplio spcciminis junioris, — C. retroflexus Hort. — Crcscit ? 



§. 3. Polylophi. Caule humili carnoso flaccido subramoso tuberculato, 

 tuberculis in costas 5-8 confluentibus. 



78. C. CINERASCENS DC. Revue p. 116. — PfeiCf. I. c. 101. t — Simplex erectus 

 griseo-viridis: costis 7-8 oblusis tubevculosis; sinu anguslo ; areola .iuiiiore con- 

 vexa velutina; aculeis 14 albis setaceis rigidis, exteriorib. 10 radiantib., ccntralib, 

 4 erecto-divergentib, longiorib., saepe fuscis. — Cer. Deppei H. Bcrol. — Horl. 

 Dyck. p. 338. — Jamacaru Pison. Hist, nat. p. 100? — In Mexico. 



/5. crassior DC. — C. aciniformis H. Berol. — Fasciculis magis distantibus, 

 caule crassiore. 



