590 



MEMOIRS OF THE NEW YORK BOTANICAL GARDEN 



187; Batesiana, 204; Bouvardiae, 202; 

 Calochorti, 181 ; Carnegiana, 182; Cha- 

 maesarachae, 201; Cladii, 504, 509; 

 claytoniata, 184; commutata, 203; con- 

 similis, 187; crassipes, 196; Crypto- 

 taeniae, 192; Cyniopteri, 190; deBary- 

 ana, 185; depressa, 199; Desmanthodii, 

 206; Dichelostemniae, 183; Dichondrae, 

 509; difformis, 203; Douglasii, 198; 

 effusa, 18S; fragilis, 199; gigantispora, 

 185; giliicola, 199; graminella, 180; 

 Holboellii, 188; Hohvayi, 181; imper- 

 spicua, 189; insignis, 197; intermixta, 

 204; investita, 205; Ipomoeae, 196; 

 japonica, 186; Jonesii, 190; Lantanac, 

 509; Lindrothii, 192; Ludwigiae, 189; 

 Mariae-Wilsoni, 184; melanconioides, 

 194; mellifera, 200; microica, 192; 

 Moreniana, 182; Musenii, 193; Nesaeae, 

 189; nocticolor, 197; nodosa, 182, 183; 

 obtegens, 176; opulenta, 195; orcgonen- 

 sis, 193; pagana, 181; Palmeri, 202; 

 plumbaria, 199; plumbaria phlogina, 

 199; Podophylli, 176, 178, 186, 187; 

 Polygoni-amphibii, 509; purpurea, 510; 

 Purpusii, 199; Richardsoni, 198; rufes- 

 cens, 202; Saniculae. 194; Seymourii, 

 193; sphalerocondra, 192; subangulata, 

 183; subcircinata, 206; subulata, 199; 

 superflua, 198; Swertiae, 195; tenuis, 

 205; Traversiana, 190; tumamocensis, 

 183; vertisepta, 201; Wilcoxiana, 199 



Pyrola, 481 



Pyronema omphalodes, 503, 506 



Pyrus, 245, 250, 524, 534, 535; Aucuparia, 

 170; Malus, 245, 250, 519, 524, 526; 

 Miyabei, 251, 252; sinensis, 245-247, 

 249; spectabilis, 250; Toringo, 250 



Pyrus Alalus, The nature of the inflores- 

 cence and fruit of, 519 



Pyxine Meissneri, 580 



Quercus, 493; Gambelii, 478, 487; mac- 

 rocarpa, 485, 489; rubra, 80; stellata, 

 84; undulata, 478 



Quinquelobus, 63 



Race of Phaseolus vulgaris, A tetracotyl- 



deonous, 229 

 Radium rays on plant life, Present status 



of the problem of the effect of, 153 

 Ratillesia, 271, 276, 281, 305 

 Ramalina denticulata, 580 

 Randia aculeata, 578 

 Ranunculus Flammula, 171 

 Reactions in Rhizopus nigricans, Chcmo- 



tropic, 323 . . 

 Recent exploration in southern Florida, 



475 . . . . , 



Reduction divisions in certain species of 



Drosera, Somatic and, 125 

 Reseda, 350, 358, 402, 404, 407, 417-419. 



427; lutea, 339, 340; odorata, 339-341 

 Reynosia uncinata, 575 



Rhacoma crossopetalum, 574 

 Rhizomorpha molinaris, 67, 68 

 Rhizophora Mangle, 509, 567, 576 

 Rhizopus, 324-326; nigricans, 325 

 Rhizopus nigricans, Chemotropic reactions 



in, 323 

 Rhododendron, 81, 480; maximum, 80 

 Rhus, 491; copallina, 84; trilobata, 485, 



486, 490 

 Ribes, 279, 306, 487; Gordonianum, 127; 



inebrians, 485, 486; odoratum, 485 

 Riccardia, 266 

 Robinia, 163; neomexicana, 486; squamata 



Rocky Mountain region. Vegetative life 



zones of the, 477 

 Roestelia, 246, 250, 252; koreaensis, 



245-249; Photiniac, 246, 250; solenoides, 



251 ; solitaria, 251 

 Rosa, 487; Carolina, 84 

 Rosellinia mammaeformis, 508; subiculata, 



508 

 Rozites gong>'lophora, 222 

 Rubus hispidus, 81; saxatilis, 170 

 Rudbeckia, 163 

 Rudbeckia hirta. Inheritable variations in 



the yellow daisy, 89 

 Rydberg, p. A. Vegetative life zones of 



the Rocky Mountain region, 477 

 Sabal, 510, 569; Blackburnianum, 506, 509 

 Sabbatia stellaris, 86 

 Sabina occidentalis, 493; monosperma, 



478, 487, 493; scopulorum, 478, 483, 



485, 486, 488; utahensis, 478, 487 

 Saccharum officinarum, 510 

 Saccobolus Kervcrni, 506 

 Salicornia ambigua, 571; europaea, 85; 



perennis, 571 

 Salix, 478, 483, 488; herbacea, 170 

 Salvia ballotaeflora, 201; mellifera, 200; 



micrantha, 577; scrotina, 577; Sessei, 



201; spathacea, 200 

 Sambucus, 481; canadensis, 81 

 Sanguisorba canadensis, 86 

 Sanicula, 192, 193; marilandica, 194 

 Saprolegnia, 256 

 Sarcobatus, 494 

 Sarcomphalus domingensis, 575 

 Sarcoscypha minuscula, 503, 506 

 Sargassum vulgare, 118 

 Sarracenia, 163, 307 

 Sassafras, 80, 163 



Saxifraga oppositifolia, 168; stellaris, 172 

 Scaevola Lobelia, 567; Plumieri, 567, 578 

 Schizandra chinensis, 29, 31 

 Schizoneura Carrerei, 77 

 Schizophyllum alneus, 511 

 Schoepfia obovata, 570 

 Scleropogon brevifolius, 490 

 Sclcrotium, 553; bataticola, 553; durum, 



554; Semen, 509 

 SEAViiK, pRiiu J. Bermuda fungi, 501 

 Secale, 346, 422; cereale, 346; montanum, 



346 



