2 3 2 



Tin; CACTACEAE. 



Cereu . ,'iilimn-il. 



iii.ii-iliinaldiac. 2i>_>. 203 

 tnacrocephalus, ^ i 



HlatTiigcilllIs 43, I (I), 136 



mai-rostibas, iSi, iSj 

 in IL;IIUS, 159 

 malletianus. 145 

 mallisonii, 219 

 marv.aiitrii'.is, .], 18, 224 

 marjjiiatus, 6<;, 74 

 iiiarginalii'. v.riiiiiuilus, 74 

 marginalus giblmsus, 74 

 mark-ill! , 209 

 marmoratus 2,5 

 martiaiius, j iy, 220, 221 

 martinii, 155, 190 

 inartinii perviridis, 155 

 maximiliani, 197 

 maxonii, 48 

 maynardae, 2 10 

 maynardii, 210 

 megalanthus, 2 1 2 

 melanacanthus, 17 

 melanotrichus, 68 

 melanurus, 109, 110 

 iiu-Iiicactus, 29 

 mcndory, 17 

 mcxicanus, 129 

 microsphaericus, 159 

 militaris, 73 



militaris californicus. 86 

 millspaughii, 45 

 minor, 218 

 minutiflorus, 195 

 miravallensis, 213 

 rairbelii, 74 

 mixtecensis, 89, 90 

 moennighoffii, 219 

 mollis 44 



mollis nigricans, 44 

 monacanthus, 155, 190 

 monoclonos, 13, 41 

 monstrosus, 12 

 raonstrosus minor, 12 

 monstruosus, 12 

 montezumae, 143 

 monvilleanus, 173 

 moritzianus, 41, 42 

 inciritxianiis pfeilTcri, 42 

 multangularis, 19, 20, 30 

 multangularis albispinus, 20 

 mullangnlaris limcnsis, 20 

 multangularis pallidior, 19 

 multangularis prolifer, 20 

 multangularis rufispimis, 2 i 

 niyriacaulon, 209 

 myriophyllus, 14? 

 nanus, 19 



napok'cinis, iS.s, 187. 191 

 nashii, 151 



llfsillticlls, 120, 121 



neumannii, i KJ 

 iiicki-lsii, 32 

 niger, 44 

 niger gracilior, 44 



ncans, 44 

 nigripilis, 139, 140 

 nigrispinus, 17 



(.'rii-us continiii'il. 

 nitfiis, 132 

 nitidus, 123 

 nobilis, 44 



northumberlandia, 4 

 northumberlandianus, 4 

 nothus, 201 

 nuditlorus, i 13, 1 14 

 nycticallus, 200, 201, 216 

 nycticalus, 196, lyy 

 nyeticalus armatus, 199 

 nycticalus gracilior, 201 

 nycticalus maximiliani, 197, 201 

 nycticalus viridior, 201 

 nyriacaulon, 209 

 obtusangulus, 22 

 obtusus, 4, 13, 14, 15, 16 

 ocamponis, 184, 185 

 ochracanthus, 20 

 octogonus, 59 

 olfersii, 33 

 oligolepis, 225 

 olivaceus, 225 

 ophites, 21 

 orcuttii, 70 

 ovatus, 20 

 pachyrhizus, 4, 10 

 palmcri, 177 

 paniculatus, 82 

 panoplaeatus, 82, 137, 138 

 paradisiacus, 198 

 paraguayensis, 6, 7 

 parviflorus, 173, 176 

 parvisetus, 175 

 pasacana, 133 

 paxtonianus, 21, 22 

 pcanii, 201 



pecten-aboriginum, 70, 71 

 pellucidus, 79, 122, 153 

 penicillatus, 171 

 pentaedrophorus, 31 

 pcntagonus, 123, 195, 210, 213 

 pentagonus glaucus, 3 1 

 pentalophorus, 31 

 pentalophus radicans, 210 

 pentaptcrus, 213 

 pepinianus, 137 

 perluccns, 4, 13 

 pernambuccnsis, 4, 14, 15, 213 

 perotetti, 9 

 perrottetianus, 4, 6 

 pcruvianus, 3, 4, 5, n, 13, 135, 147 

 peruvianus alacriportanus, 6 

 peruvianus brasiliensis, 13 

 peruvianus cristatus, 12 

 peruvianus monstrosus, 12, 13 

 peruvianus monstrosus minor, 13 

 peruvianus monstruosus, 223 

 peruvianus monstruosus nanus, 12 

 peruvianus spinosus, 13 

 peruvianus tortuosus, 12 

 peruvianus tortus, 12 

 pfciffcri, 42 

 pfersdorffii, 1 17 

 phaeacanthus, 57 

 phatnospermus, 24 

 philip])ii, 105 

 piauhyensis, 49 



