truxillensis 



vallicola, 1351 

 Crested fringed orchid, 5, 



700 

 Crested shield fern, 77 

 Crimson monkey-flower, 



1474 

 Crinum, 671 



americanum, 671 



bulbispermum, 671 



strictum, 673 

 striatum, 673 

 Traubii, 673 

 Croton, 1082 

 Crow-poison, 653 

 Crowfoot, 928 



family, 913 



white water-, 957 



yellow water-, 953 

 Crown-beard, 1659 

 Crucifer, 7 

 Cruciferae, 962 

 Cryptotaenia, 1223 



canadensis, 1223 

 Cucurbita, 1569 



Pepo, 1570 



texana, 1569 

 Cucurbitaceae, 1569 

 Cudweed, 1631 



lowland-, 1633 



purple-, 1632 

 Culantrillo, 63 

 Cupgrass, 283 



prairie-, 285 

 Cuphea, 1167 



carthagensis, 1167 



glutinosa, 1167 



petiolata, 1167 



viscosissima, 1167 

 Curled pondweed, 103 

 Curly dock, 802 

 Currant, 1008 



black-, 1010 



golden-, 1010 



Indian-, 1560 

 Cursed buttercup, 949 

 Cuscuta, 962, 1359, 1368 



arvensis, 1365 



campestris, 1365 



Cephalanthi, 1362 



compacta, 1369 



Coryli, 1367 



cuspidata, 1368 



denticulata, 1368 



glabrior 



glabrior, 1365 

 pubescens, 1365 



glandulosa, 1362 



Gronovii 



calyptrata, 1368 

 Gronovii, 1368 

 latiflora, 1368 



indecora 



indecora, 1367 

 longisepala, 1367 



obtusiflora 



glandulosa, 1362 



pentagona, 1362 



Polygonorum, 1362 



salina, 1365 



squamata, 1369 



umbellata, 1361 

 reftexa, 1361 



Warneri, 1361 

 Cutleaf coneflower, 1652 

 Cycads, 79 

 Cylindric-fruited ludwigia, 



1187 

 Cymodocea, 9, 120, 129 



filiformis, 4, 120 



manatorum, 120 

 Cymodoceaceae, 120 

 Cynanchum, 1349 



angustifolium, 1349 



paliistre, 1349 

 Cynoctonum, 1311 



Mitreola, 1311 



sessilifolium, 1311 

 Cynodon, 256 



Dactylon, 256 



maritimus, 256 

 Cynosciadium, 1246 



digitatum, 1246 



pinnatum, 1249 



pumilum, 1249 

 Cyperaceae, 341, 604, 606 

 Cyperus, 4, 9, 415, 416, 

 473 



acuminatus, 438 



albiflorus, 445 



albomarginatus, 426 



alternifolius, 447 



amabilis 



macrostachyus, 435 



arenicola, 443 



aristatus, 435 

 Runyonii, 435 



articulatus, 432 



bipartitus, 429 



brevifolius, 422 



cayennensis, 459 



compressus, 449 



cyrtolepis, 438 



densicaespitosus, 423 



diff'ormis, 435 



digitatus, 449 



dissitiflorus, 459 



Eggersii, 432 



elegans, 451 



major, 454 

 erythrorhizos, 447 

 esculentus, 456 



angustispicatum, 456 



macrostachyus, 456 

 ferax, 432 

 ferruginescens, 432 

 filicinus, 426 

 filiculmis, 451 

 flavescens, 426 



poaeformis, 429 

 flavus, 459 

 giganteus, 447 

 globulosus, 461 

 Haspan, 445 



americanus, AAl 

 hermaphroditus, 459 



angustior, 459 

 Houghtonii 



Bushii, 451 

 huarmensis, 459 

 in flex us, 435 

 Iria, 432 

 juncoides, 447 

 laevigatus, 420 

 lentiginosus, 457 

 macrocephalus, 432 

 melanostachys, 429 

 niger, 429 



capitatus, 429 



castaneus, 429 

 obesus, 459 

 ochraceus, 441 

 odoratus, 429 

 onerosus, 449 

 ovularis, 461 



cylindricus, 461 



robust us, 461 



sphaericus, 461 

 oxylepis, 454 

 Parishii, 451 

 phaeolepis, 445 

 polystachyos 



leptostachyus, 426 



paniculatus, 426 



polystachyos, 426 



texensis, 426 

 Pringlei, 459 

 pseudovegetus, 441, 443 

 reflexus, 438, 443 

 retrorsus, 461 

 rivularis, 429 

 rotundus, 454 

 rufescens, 445 

 seslerioides, 435 

 sesquiflorus, 423 

 setigerus, 456 

 speciosus, 432 

 strigosus, 457 



1748 



