OPUiNTIA. 



CACTEAE. 353 



berculorum oblusorum oblongorum parte suprema positis, oblongis, albo-tomen- 

 tosis; aculeis e parle infima areolae 4-6 majorib., 2-3 infimis brevibus, omnibus 

 albis, membrana subpellucida tunicalis. — Cer. lunicalus Lehm. Nov. act. nat. 

 cur. XVI. P. I. p. 319. — 0. furiosa Wendl. Cat, H. Herrnh. 1835. — Crescit in 

 Mexico, Brasilia? 



74. O. ROSEA DC. Revue p. 66. t. 15. — Prodr. UI. p. 471. — Pfeiff. I. c. 171. f — 

 Erecta rosea: cauie ramisq. luberculosis; tuberculis oblongis depressis, spiraliler 

 serialis, foiia caduca et aculcos reclos fasciculatos albos apice gerenlibus. — 

 Cacl. subquadriflorus Fl. Mcx. ic. ined. — Crcscit in Mexico. 



75. O. STAPELIA DC. Revue p. 117. — Pfeiff. 1. c. 171. — Ramosa, irregulariter 

 caespitosa arliculata, inlense viridis: articulls ovatis oblongisve; areolis parvulis 

 tomentosis ad axillas luberculorum; aculeis 5-6 rigidis stramineis selaceis, se- 

 niorib. epidermide sccedcnte exuviatis. — Crescit in Mexico. 



76. O. KLEIMAE DC. Revue p. 118. — Pfeiff. 1. c. - Erecta ramosa, cinereo-vlridis: 

 ramis erectis cylindricis tuberculatis; fasciculis ordine spirali sinistrorso dispo- 

 sitis; areola velutina; aculeis biformib., aliis setosis innumeris ex albido rufis, 1 

 maximo inferiore patenti-denexo gracili albido. — Crescit in Mexico. 



77. 0. DECIPIENS DC. Revue p. 118. - Pfeiff. 1. c. 172. f— Erecta ramosa viridis: 

 ramis patentib. cylindricis, basi attenualis; tuberculis paucis subspiraliler dispo- 

 sitis; areola parva; aculeis biformib., centrali maximo luteo tunicato patenti- 

 dellexo, caeteris 3-4 minimis seliformib. subradiantibus. — /J minor Hort. Dyck. 

 Crescit in Mexico. 



78. O GRACILIS Mart. mss. ex Pfeiff. I. c. — Caule ramisque cylindricis tenuibus 

 elongatis: areolis remolis, tuberculo suffultis, albo-tomentosis, superne fascicu- 

 lum minimum setarum brunnearum brevissimarum, inferne aculeum 1 rigidam 

 horizontalem pollicarem corneum, apice album, vagina flava involutum geren— 

 tibus. — ISum forsan 0. decipiens minorl — Crescit in Mexico. 



79. O. SALMIANA Parm. mss. ex Pfeiff. I. c. t — Pfclff. et Olto, Abbildng. u. Be- 

 schreibng. bluhend. Cacl. 1. 6. fig. l! t — Erecla ramosa, cinereo -laeteviridis: 

 ramis cylindricis eluberculatis; areolis subconfertis tomenlosis albidis, seniorib. 

 pulvinatim globosis, inferne aculeis 3-4 setaceis minulis rufescenlib. instruclis. 

 Crescit in Brasilia. 



80. 0. LEPTOCAULIS DC Revue p. 118. — Pfeiff. 1. c. 173. \ — Erecla ramosa: ra- 

 mis cylindricis erectis tuberculatis; fasciculis linea spirali sinistrorsa dispositis; 

 areola subtomenlosa; aculeis biformib., aliis circiler 3, inferiorib. setaceis nigres— 

 centib., palenli-deflexis, caeteris selosis confertis rufescentibus. — 0. virgala H. 

 Berol. — Mexico. 



81. O. RAMULIFERA S. Dyck, Hort. Dyck. p. 360. — Pfeiff. 1. c. 173. t — Erecta 

 ramosissima: ramulis gracilib., basi attenuatis subtuberculatis; areolis nudis con- 

 fertis; aculeis fulvo-brunneis, exteriorib. 6-8 subradiantib., centrali 1 validiore, 

 epidermide secedente tunicalo. — In Mexico. 



82. O. CLAVARIOIDES Olto mss. ex PfeitF. I. c. — Diffuso-ramosa: trunco tereti 

 inaequali suberecto; arliculis viridib. elongatis gracilib., cylindraceis v. obclava— 

 tis; areolls regulariter confertis albo-Ianuginosis; aculeis 8-10, navido-rubellis v. 

 albidis tenuissimis rectis, stellalim adpressis. — Cer. clavarioides Catal. Cact. Be- 

 rol. 1833. — Cer. sericeus, Opuntia microthele Hort. — In Mexico. 



83. 0. POEPPIGII Otlo mss. ex Pfeiff. 1. c. 174. — Humilis: irunco erecto tenui, 

 irregulariter cylindraceo, basi ligneo; ramis terelib. divergentib. viridib.; areolis 

 subconferlis albo-lomentosis: aculeis albis rigidiusculis, plerumq. 3, laleralib. 2 

 brevibus, medio erecto longiore. — In Chili. 



Species addendae. 

 §, 1. Caule non articulato. 



84. O. PLATYACANTHA S. Dyck mss. — Pfeiff. in Otto etDietr. Garlenztng. V. 371. t 

 — Humilis ramosa : ramls divaricatis cylindricis, parum tuberculatis nitide brun- 

 neis; areolis magnis immersis, tomento setaceo fulvescente aculeisq. diversifor- 



II. 45 



