232 



THE CACTACEAE. 



Cereus — continued. 



macdonaldiae, 202, 203 

 macrocephalus, 31 

 maerogonus, 43, 130, 136 

 macrostibas, 181, 182 

 magnus, 159 

 malletianus, 145 

 mallisonii, 219 

 margaritensis, 4, 18, 224 

 marginatus, 69, 74 

 marginatus gemmatus, 74 

 marginatus gibbosus, 74 

 mariculi, 209 

 marmoratus, 23 

 martianus, 219, 220, 221 

 martinii, 155, 190 

 martinii perviridis, 155 

 maximiliani, 197 

 maxonii, 48 

 maynardae, 210 

 maynardii, 210 

 megalanthus, 212 

 melanacanthus, 17 

 melanotrichus, 68 

 melanurus, 109, no 

 melocactus, 29 

 mendory, 17 

 mexicanus, 129 

 microsphaericus, 159 

 militaris, 73 



militaris californicus, 86 

 millspaughii, 45 

 minor, 218 

 minutiflorus, 195 

 miravallensis, 213 

 mirbelii, 74 

 mixtecensis, 89, 90 

 moennighoffii, 219 

 mollis, 44 



mollis nigricans, 44 

 monacanthus, 155, 190 

 monoclonos, 13, 41 

 monstrosus, 12 

 monstrosus minor, 12 

 monstruosus, 12 

 montezumae, 143 

 monvilleanus, 173 

 moritzianus, 41, 42 

 moritzianus pfeifferi, 42 

 multangularis, 19, 20, 30 

 multangularis albispinus, 20 

 multangularis limensis, 20 

 multangularis pallidior, 19 

 multangularis prolifer, 20 

 multangularis rufispinus, 2 > 

 myriacaulon, 209 

 myriophyllus, 143 

 nanus, 19 



napoleonis, 185, 187, 191 

 nashii, 151 

 nesioticus, 120, 121 

 neumannii, 119 

 nickelsii, 32 

 niger, 44 



niger gracilior, 44 

 nigricans, 44 

 nigripilis, 139, 140 

 nigrispinus, 17 



Cereus — continued. 

 nitens, 132 

 nitidus, 123 

 nobilis, 44 



northumberlandia, 4 

 northumberlandianus, 4 

 nothus, 201 

 nudiflorus, 113, 114 

 nycticallus, 200, 201, 216 

 nycticalus, 196, 199 

 nycticalus 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 

 palmeri, 177 

 paniculatus, 82 

 panoplaeatus, 82, 137, 138 

 paradisiacus, 198 

 paraguayensis, 6, 7 

 parviflorus, 173, 176 

 parvisetus, 175 

 pasacana, 133 

 paxtonianus, 21, 22 

 peanii, 201 



pecten-aboriginum, 70, 71 

 pellucidus, 79, 122, 153 

 penicillatus, 171 

 pentaedrophorus, 31 

 pentagonus, 123, 195, 210, 213 

 pentagonus glaucus, 3 1 

 pentalophorus, 31 

 pentalophus radicans, 210 



pentapterus, 213 



pepinianus, 137 



perlucens, 4, 13 



pernambucensis, 4, 14, 15, 213 



perotetti, 9 



perrottetianus, 4, 6 



peruvianus, 3, 4, 5, 11, 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 



pfeifferi, 42 



pfersdorffii, 117 



phaeacanthus, 57 



phatnospermus, 24 



philippii, 105 



piauhyensis, 49 



