9632 
9633 
9634 
9635 
9636 
9637 
9638 
9639 
9640 
9641 
9642 
9643 
9644 
9645 
9646 
9647 
9648 
9649 
9650 
9651 
9652 
9653 
9654 
9655 
9656 
9657 
9658 
9659 
9660 
9661 
9662 
9663 
9664 
9665 
9666 
9667 
9668 
9669 
9670 
9671 
9672 
9673 
9674 
9675 
I4I 
horizonthalonis Lemaire 
intertextus Engelim. 
dasyacanthus Engelm. 
Johnsoni Parry 
octocentrus Coult. 
Lecontei Engel. 
limatus Engelin. 
papyracanthus Engel. 
Parryi Engelm. 
polyancistrus Engelm. & Big. 
polycephalus Engelm. & Big. 
xeranthemoides Coult. 
pubispinus Engelm. 
Scheeri1 Salm. 
setispinus Engelm. 
Muhlenpfordtii( Fen. )Coult 
Sileri Engel. 
Simpsoni Engelin. 
minor Engelm. 
robustior Coult. 
sinuatus Dietr. 
Texensis Hoepf. 
uncinatus Gal. 
Wrightii Engelm. 
viridescens Nutt. 
Whipplei Engelin. & Big. 
spinosior Engelin. 
Wislizeni Engelm. 
albispinus ‘Toumey 
Cactus 
(Mammillaria) 
bispinus Coult. 
Brownii Toumey 
dasyacanthus(Engelm.)Kuntze 
echinus (Engelm.) Kuntze 
Goodrichti (Scheer) Kuntze 
Grahami (Engelm.) Kuntze 
Heyderi (Muhlenpf.) Kuntze 
hemisphaerica (Engelm.) 
Coult. 
lasicanthus (Engelm.) Kuntze 
denudatus (Engelm.)Coult. 
macromeris (Engelm.) Kuntze 
melacanthus (Engelin.)Kuntze 
micromeris (Engelin.) Kuntze 
Gregeil (Engelin.) Coult. 
Missouriensis (Sweet) Kuntze 
9676 
9677 
9678 
9679 
9680 
9681 
9682 
9683 
9684 
9685 
9686 
9687 
9688 
9689 
9690 
9691 
9692 
9693 
6694 
9695 
9696 
9697 
9698 
9699 
9700 
g7OI 
9702 
9793 
9704 
9795 
9706 
9797 
9708 
979 
9710 
g7II 
9712 
9713 
9714 
robustior (Engelin.) Coult. 
sunilis (Engelin.) Coult. 
Notesteinii (Britton) Rydb. 
phellospermus (Engelm.) 
Kuntze 
Potsii (Scheer) Kuntze 
radians (DC.) Knntze 
radiosus (Engelm.) Coult. 
Alversoni Coult. 
Arizonicus(Engelin. )Coult. 
chloranthus (Engelm.) 
Coult. 
deserti (Engelm.) Coult. 
Meo-Mexicanus (Engelm.) 
Coult. 
Scheerii (Muhlenpf.) Kuntze 
scolymoides (Scheidw.)Kuntze 
sulcatus (Engelm.) Coult. 
sphaericus (Dietr.) Kuntze 
stellatus Texanus (Engelm.) 
Coult. 
tetrancistrus (Eugelm.) Coult. 
tuberculosus (Engelin.) Kuntze 
viviparus Nutt. 
Wrightii (Engelm.) Kuntze 
Anhalonium 
Engelmanni Lehm. 
Lophophora 
Lewinii (Henn.) Thompson 
Wilhamsii (Lemaire) Coult. 
Opuntia 
acanthocarpa Engelin. 
angustata Engelin. 
arborescens Engelm. 
arbuscula Engelim. 
arenaria Engelin. 
basilaris Engelm. 
ramosa §. B. Parish 
Bernardina Engelm. 
Bigelovit Engel. 
bulbispina Engelm. 
Camanchica Engelm. & Big. 
chlorotica Engelim. 
clavata Engel. 
Davisii_ Engelm. 
echinocarpa Engelm. 
