878 



Index 



Pleurothallis (cont.) 

 powellii, 437 



praegrandis, 406 

 propinqua, 385 

 prorepens, 23 

 pruinosa, 438 

 psichion, 438 

 psilantha, 438 

 pubescens, 439 

 pulchella, 439 

 purpusii, 572 

 pusilla, 576 

 pyrsodes, 408 

 quadrifida, 439 

 quinqueseta, 440 

 racemiflora, 439 

 radula, 440 

 ramonensis, 440 

 rectipetala, 435 

 recula, 441 

 rhodoglossa, 44 1 

 rotundata, 577 

 rowleei, 442 

 ruscifolia, 442 (442) 

 saccata, 406 

 samacensis, 442 (443) 

 sanchoi, All 

 scandens, 341 

 scaphipetala, 443 

 scitula, 388 

 sclerophylla, All 

 segoviensis, 443 

 segregatifolia, 444 

 sempergemmata, 444 

 sertularioides, 445 

 setosa, 445 

 sicaria, 445 

 sigmoidea, 446 

 simmleriana, 446 

 simplex, 446 

 sororia, 415 

 speciosa, 341 

 spectabilis, 414 

 spectrilinguis, 447 

 standleyi, 570 

 stenostachya, 385 



var. lankesteri, 385 

 stevensii, 411 

 stonei, 447 

 strumosa, 447 

 subs errata, 474 

 testifolia, 448 

 tintinnabula, 448 

 tomentosa, 448 

 tonduzii, 449 

 trachy stoma, 578 

 trachytheca, 575 



triangulabia, 435 

 tribuloides, 449 

 tripterantha, 450 



tubulosa, 476 

 tuerckheimii, 450 

 turrialbae, 450 



ujarensis, 476 



uncinata, 45 1 



urbaniana, 397 



vaginata, 423 



valenzuelana, 331 



verecunda, 45 1 



villosa, 45 1 



vinacea, 443 



violaceorosea, 429 



vittariifolia, 419 



vittata, 439 



volcanica, 452 



wagneri, 452 



wercklei, 443 



xanthophthalma, 473 

 Pleuro thallopsis 



reichenbachiana, 475 



tubulosa, 476 



ujarensis, 476 

 Poa, 779 



acutiflora, 68 1 



amabilis, 681 



annua, 780 (780) 



chirripoensis, 780 



cilianensis, 682 



ciliaris, 682 



elongata, 682 



glome rata, 683 



hypnoides, 683 



maypurensis, 684 



mexicana, 684 



panicea, 718 



pectinacea, 684 



pilosa, 685 



pratensis,781 (780) 



prolifera, 685 



talamancae, 781 (780) 



tenuifolia, 686 



trivialis,781(780) 



vis cos a, 686 

 Poaceae, 598 (599) 

 Podosemum 



ciliatum, 725 



implicatum, 726 



stipoides, 808 



tenellum, 728 



tenuissimum, 728 

 Pogonia 



cubensis, 580 



debilis, 580 



micro sty loides, 335 



nitida, 580 



ravenii, 581 



wagneri, 580 

 Polycycnis, 452 



barbata, 453 (453) 



gratiosa, 453 



muscifera, 454 

 Polyodon 



distichum, 640 

 Polypogon, 781 



elongatus, 782 (782) 



monspeliensis, 782 

 Polystachya, 454 



cerea, 454 



concreta, 454 



costaricensis, 454 



foliosa, 454 (455) 



lineata, 455 



masayensis, 455 



minor, 454 

 Polytrias, 782 



amaura, 782 (782) 



praemorsa, 782 

 Ponera, 455 



adendrobium, 299 



feefcrii, 489 



bilineata, 490 



mesocopis, 495 



striata, 455 (456) 

 Pontederia, 827 



azure a, 824 



cordata 



var. sagittata, 828 



crassipes, 824 



limosa, 826 



paradoxa, 825 



rotundifolia, 827 (827) 



sagittata, 828 (828) 

 Pontederiaceae, 822 

 Ponthieva, 456 



brenesii, 457 



formosa, 457 



graciliscapa, 457 



maculata, 457 



maculata, 456 



racemosa, 457 



tuerckheimii, 457 (458) 

 Potamogeton, 830 



crispus, 830 



foliosus, 830 



illinoensis, 831(831) 



nodosus, 830 



paramoanus, 831 



pectinatus, 830 



pusillus, 831 



subsp. pusillus, 832 



ulei, 831 



