140 
Brandegei Wats. 
chrysantha Engelm. 
compacta Aven Nelson 
congesta, “Te cs'G. 
decapetala (Pursh) Urb. & Gil. 
(IZ. ornata 'T. & G.) 
densa Greene 
Floridana Nutt. 
etacilenta © Lh ee'G. 
hispida Willd. 
integrifolia (Wats.) Rydb. 
(MZ. dispersa Wats.) 
involucrata Wats. 
laevicaulis (Dougl.) T. & G. 
leucophylla T. S. Brandegee 
Lindley: I. & G. 
lutea Greene 
micrantha T. & G. 
multiflora (Nutt.) A. Gray 
integra Jones 
Nelsoni Greene 
nitens Greene 
nuda (Parsh) T. & G. 
oligosperma Nutt. 
parviflora Heller 
perennis Wooton 
pumila T. & G. 
reflexa Coville 
Rusbyi Wooton 
tenerrima Rydb. 
Tweedyi Rydb. 
Torreyi A. Gray 
tricuspis A. Gray 
Wrightii A. Gray 
Eucnide 
9581 bartonioides Zucc. 
9582 lobata A. Gray 
9583 urens Parry 
Sympetaleia 
9584 aurea A. Gray 
DATISCACEAE 
Datisea 
9585 glomerata (Presl) B. & H. 
CACTACEAE 
Cereus 
9586 aggtegatus (Engelm.) Coult. 
Da49 
ye 
Siow 
9592 
2a es) 
9554 
9555 
9556 
9557 
9558 
9559 
9560 
9561 
9562 
9563 
9564 
9565 
9506 
9567 
9568 
9569 
9570 
9571 
9572 
9573 
9574 
9575 
9576 
9577 
9578 
9579 
9580 
9619 
Berlandieri Engelm. 
chloranthus Engelm. 
compressus Mill. 
ctenoides Engelm. 
dasyacanthus Engelm. 
Neo-Mexicanus Coult. 
dubius Engelm. 
Emory1 Engelm. 
Engelmanni Parry 
chrysocentrus Engelin. 
variegatus Engelm. 
enneacanthus Engel. 
Fendleri Engelm. 
giganteus Engelm. 
gonacanthus Engelin. 
Greggi Engelm. 
hexandrus Engel. 
Mohavensis Engelin. 
Zuniensis Engelm. 
monoclonus DC. 
octacanthus (Muhlenpf. )Coult. 
paucispinus Engelin. 
pectinatus centralis Coult. 
rigidissimus Engelm. 
spinosus Coult. 
polyacanthus Engelm. 
Poselgeri Coult. 
Roetteri Engelin. 
Roemeri Muhlenpf. 
Schottii Engelm. 
stramineus Engel. 
Thurberi Engelm. 
triglochidiatus Engelin. 
9587 
9588 
9589 
9590 
9591 
9592 
9593 
9394 
9595 
9596 
9597 
9598 
eee) 
9600 
g6o1 
9602 
9603 
9604 
9605 
9606 
9607 
9608 
9609 
g610 
QOII 
gb12 
9613 
9614 
9615 
9616 
9617 
9618 
Echinocereus 
9620 caespitosus Engelin. 
9621 castaneus (Engelm.) Heller 
9622 viridiflorus Engelin. 
9623 tubulosus (Coult.) Heller 
Echinocactus 
9624 bicolor Schottii Engelin. 
9625 brevihamatus Engelin. 
9626 cylindraceus Engelm. 
9627 Emoryi Engelm. 
9628 erectocentrus Coult. 
9629 hamatocanthus Muhlenpf. 
9630 brevispinus(Engelm.)Coult 
9631 longihamatus (Gal.) Coult. 
