M 



CRTPTOGAMOUB rLAWTM OF WORTH AMEB.XCA. 



2884 scolymoides, Scheidw. 



2885 sphffirica, Dietr. 



2886 strobiliformis. Schcer. 



2887 vivipara, Haworth. 



var. radiosa, Eu^. 



2888 Wrightii, Erig. 

 Anlialonium 



2889 fissuratum, Eng, 

 Echinocactns 



2890 bieolor, Galeotti. 



var. Schottii, Eng.. 



2891 brevihamatus, Eng.- 



2892 Californicus, Monv. 



2893 cylindraceus, Eng. 



2894 Emoryi, Eng. 



2895 horizonthalonius, Lem'e. 



var. centrispinus, Eng. 



2896 intertextus. Eng. 



var. dasyaeanthus, Eng. ' 

 2807 Johnsoni, Parry. 



2898 longihamatus, Galeotti. 



var. gracilispinus, Eng, 

 var. brevispiniis, Eng, 



2899 papyraeantlms, Eng, 



2900 Parryi, Eng, 



2901 polyancistrus, Eng. &Big. 



2902 polycephalus, Eng. & Big, 



2903 pubispinns, Eng. 



2904 Scheerii, Salni. 

 2906 setispinus, Eng, 



var. setaceus, Eng. 



2906 Simpsoni, Eng. 



var. minor, Eng. 



2907 sinuatus, Dietr. 

 * 29U8 Texensis, Hoepf. 



2909 uucinatns, Hoepf- 



var. Wrightii, Eng, 



2910 unguispinus, Eng. 



2911 viiidescens, Sntt. 



2912 Whipple!, Eng. & Big, 



var. spinosior, Eng. 



2913 Wislizeni, Eng. 



var. JLreContei, Eng, 

 Cereus 

 2.}14 adustus, Eng. 



2915 Berlandieri, Eng. 



2916 ca3spitosus, Eng. 



var. castaneus, Eng. 



2917 chloranthus, Eng. 

 2018 coiioideus, Bigel. 

 2919 ctenoides, Eng. 

 29ji0 dasyaeanthus, Eng. 

 29.21 dubius, Eng, 



2922 Emory i, Eng. '< 



2923 Engelmanni, Parry. 



var. variegatus, E. & B. 

 var, chrysoc6ntrus,E.&B. 



2924 enneacantlius, Eng. 



2925 Fendlei'i, Eng. 



2926 giganteus, Eng. 



2927 gonacanthus, Eng. & Big. 



2928 Greggii, Eng. , ^ 



var. transmontanus, Eng. 



29291 hexaedrus, Eng. & IB j, . 



2930 longisetus, Eng. 



2931 maritimus, Jones. 



2932 Mohavensis, Eng. & Big, 



var. (?) Zuniensis, E.&B- 



2933 MONocLosros, DC? 

 2t34 paucispiuus, Eng. 



2935 pectinatns, Eng. 



var. ('i')armatu9,Poselger- 

 var. (?)rigidissimus,Eng, 



2936 phceniceus, Eng. 



2937 polyacanthus, Eng. 



2938 princeps, Hort. Wurtzb. 

 2989 procumbens, Eng. 



2940 Bcetteri, Eng. 



2941 ruflspinus, Eng. 



2942 Schottii, Eng. 



2943 stramineus, Eng. 



2944 Thurberi, Eng. 



2945 TRIANGULARIS, Haworth? 



2946 triglochidiatus, Eng. 



2947 tuberosus, Poselger. 



2948 viridifiorus, Eng. 

 var, cylindricus, Eng. 



Opimtia 



2949 acanthocarpa, Eng. & Big. 



2950 angustata, Eng, & Big. 



2951 arborescens, Eng. 

 2962 arbuscula, Eng. 



2953 arenaria, Eng. 



2954 basilaris, Eng. & Big. 



2955 Bernardina, Eng. 



2956 Bigelovii, Eng. 



2957 Camanchica, Eng. & Big. 

 chlorotica, Eng. & Big. 



2958 clavata, Eng. 



2959 Davisii, Eng. & Big. 



2960 echinocarpa, Eng. & Big. 



var. major, Eng. 



2961 Emoryi, Eng. 



2962 Engelmanni, Salm. 



var. cyclodes, Eng.&Big. 

 var. occidentalis, Eng. 

 var. (?) littoralis, Eng. 



2963 Ficus-Inbica, Mill. 



2964 filipendula, Eng. 



2965 fragilis, Haworth. 



2966 fulgida, Eng. 



2967 fus.co-atra, Eng. 



2968 Grahami, Eng. 



2969 hystricina, Eng. & Big. 



2970 E:ieini», DC. 

 2671 leptooaulis, DC. 



var. brevispina, Watson. 



var. vaginata, Watson. 

 2972 macrocentra, Eng. 

 2978 mamillata, Schott. 

 2974 microdasys, Lehm. 

 2976 Missouriensis, DC. 



var. platycarpa, Eng. 



var. microspe.ma, Eng. 



var. albispina^v Eng. 



var. trichophora, Eng. 



