232 



THE CACTACKAK. 



Opuntia — continued, 

 leptarthra, loi 

 leptocarpa, i66, 167 

 leptocaulis, 47. 48, 49. 73, 213 

 leptocaulis brevispina, 47 

 leptocaulis laetevirens, 48 

 leptocaulis longispina, 47 

 leptocaulis major, 48 

 leptocaulis stipata. 47 

 leptocaulis vaginata, 47 





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leucacantha, 174, 175 



leucacantha laevior, 175 



leucacantha subfcrox, 175 



leucantha, 175 



leucophaea, 96 



leucostata, 214 - 



leucosticta, 174 



leucotricha, 151, 174, 175 



leucotricha fulvispina, 174 



ligustica, 128 



lindheimeri, 44, 148, 160, 164, 165, 166 



lindheimeri cyclodes, 147 



lindheimeri dulcis, 165 



lindheimeri littoralis, 165 



lindheimeri occidentalis, 146 



tinguiformis, 160, 163 



littoralis, 147, 160, 164, 165 



lloydii, 69^ 63 , 

 longiclada, 161 , 

 longiglochia, 214 

 longispina, 95 

 lubrica, 118, 119 



106, 163 



lucens, 149- 



lucida, 214 



liirida, 173 



inacateei,'i26, 133, 220, 221 



macdougaliana, 169, 170, 171 

 mackensenii, 137, 138, 139 



cracahtha, 187, 202, 203, 204, 205 



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macrocalyx, 118, 122 



macrocentra, 140, 141, 176 



macrophylla, 214 



macrorhiza, 126, 127, 128, 130, 131, 139, 166 



maculacantha, 134 



maelenii, 134 



magenta, 142, 146 



magna, 64 



magnarenensis, 147 



magnifolia, 34 



maihuen, 41 



maldonadensis, 75 



mamillata, 67, 68 



maritima, 162 



maxillare, 77 



maxima, 177, 180, 181 



media, 199, 200 



mediterranea, 128 



megacantha, 178, 181, 182, 185, 186 



megacantha lasiacantha, 182 



megacantha tenuispina, 184 



megacantha trichacantha, 186 

 megacarpa, 145 



megalantha, 169 



megalarthra, 192 



megarhiza, 137 



mendocienses, 65 



Opuntia — continued. 



mesacantha, 127, 132 

 mesacantha cymochila, 131 

 mesacantha grandiflora, 129 ' 



mesacantha greenei, 131 

 mesacantha macrorhiza, 130 

 mesacantha microsperma, 127 

 mesacantha oplocarpa, 131, 144 

 mesacantha parva, 127, 128 

 mesacantha sphaerbcarpa, 144 

 mesacantha stenochila, 132 

 mesacantha vaseyi, 146 

 metternichii, 176 

 mexicana, 34 

 ' micrarthra, 171 

 microcarpa, 144, 206 

 microdasys, 118, 120, 121, 122, 123, 136 

 microdasys laevior, 120 

 microdasys minor, 120 

 microdasys rufida, 122 

 microdisca, 133, 135, 136 

 microthele, 73 

 mieckleyi, 156, 158 

 militaris, 102, 104, 163 

 millspaughii, 202, 204, 206 

 minima americana, 102 

 minor, 139 .^ 



minor caulescens, 102 

 miquelii, 78 



missouriensis, 199, 200 

 missouriensis albispina, 199, 200 

 missouriensis elongata, 214 



missouriensis erythrostemma, 214 



missouriensis microsperma, 199, 200 



missouriensis platycarpa, 199, 200 



m^issouriensis rufispina, 199, 200 



missoiu-iensis salmonea, 214 



missouriensis subinermis, 199 



missouriensis trichophora, 195 

 modesta, 67 



mojavensis, 140, 145 

 molesta, 54, 60, 62, 66, 67 

 monacantha, 127, 156, 157 

 monacantha deflexa, 156 

 monacantha gracilior, 156, 157 

 monacantha variegata, 157 

 moniliformis, 33, 202, 206, 207, 208 

 montana, 214 



montevidensis, 107, i 

 monticola, 95 

 morenoi, 214 

 morisii, 128 

 mortolensis, 47 

 multiflora, 113, 114 



myriacantha, 150, 152, 214 

 nana, 127, 217 

 nashii, 106, 163, 202, 203 

 nelsonii, 172 

 nemoralis, 102, 104 

 neoarbuscula, 50 

 nigricans, 152, 153 

 nigrispina, 90, 97 

 nigrita, 183, 184 

 nopalilla, 38 

 oblongata, 173 



occidentalis, 140, 146, 147, 153, 163, 165 

 oligacantha, 89, 182 

 oplocarpa, 132 



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