320 
Mycologia 
Psathyrella disseminata, 1 66 
Pseudocymopterus montanus, 251, 
256; Tidestromii, 251, 256 
Pseudoperonospora, 194; Celtidis, 
194; Celtidis Humuli, 194; Erodii, 
194; Humuli, 194 
Pseudotsuga mucronata, 248 
Psoralea micrantha, 253, 256 
Ptilocalais graciloba, 256; major, 256 
Puccinia, 152, 153, 245, 285; acro- 
phila, 248 ; Actinellae, 248 ; Adoxae, 
248 ; Agropyri, 243 ; albulensis, 249 ; 
alternans, 242 ; Blaisdalei, 252 ; 
Caricis, 152; cinerea, 243; Circaeae, 
249 ; cirsii, 243 ; Clematidis, 243 ; 
Clementis, 249 ; commutata, 249 ; 
Crepidis-acuminatae, 243 ; curtipes, 
243 ; Douglasii, 244 ; effusa, 244 ; glo- 
bosipes, 249 ; graminis, 152 ; Grinde- 
liae, 250; Grossulariae, 250; Gutier- 
reziae, 244 ; Helianthellae, 244 ; Hol- 
boellii, 244; Koeleriae, 250; Men- 
thae, 244; modica, 252; monoica, 
241; monopora, 153; montanensis, 
244; Muhlenbergiae, 250 ; obliterata, 
250; Pentstemontis, 250; Poarum, 
244; Pruni-spinosae, 153; Pseudo- 
cymopteridis, 251; Rhodiolae, 251; 
rubigo-vera, 242; Rydbergii, 251; 
Sherardiana, 245; Sieversiae, 251; 
Stipae, 245; subnitens, 120, 241, 
245 ; tardissima, 251 ; triseti, 241 ; 
tumidipes, 252 ; turrita, 252 ; uni- 
porula, 153; variolans, 252; Ver- 
atri, 153; Violae, 245 
Pucciniastrum Myrtilli, 27, 28 
Pulvinula, 6; Constellatio, 18; haema- 
stigma, 17 
Pyrenula, 259 
Pyrola asarifolia incarnata, 256 ; ro- 
tundifolia uliginosa, 256; secunda, 
256; uliginosa, 257 
Pyropolyporus conchatus, 266 ; tex- 
anus, 267 
Pythiopsis, 289, 292 ; cymosa, 289, 
293, 294, 301 ; Humphreyana, 
292, 302 
Pythium, 55, 57; debaryanum, 65 
Quercus, 72, 135-137; alba, 150; coc- 
cinea, 112; Phellos, 112; rubra, 
1 12; velutina, 112 
Radicula sinuata, 257 
Ranunculus Cymbalaria, 257; digita- 
tus, 257; Eschscholtzii, 257; nivalis 
Eschscholtzii, 257; stenolobus, 257 
Red cedar, An enemy of the western, 
93 
Reseda, 198 
Review of the genus Pliytophthora, 
A. Studies in North American 
Peronosporales — V, 54 
Reviews, News, notes and, 150, 264 
Rhinanthus, 200 
Rhodopaxillus, 3 
Rhysotheca, 193; Borreriae, 193; 
Gonolobi, 193; Heliocarpa, 193; 
ribicola, 193 ; Viburni, 193 
Ribes, 130; aureum, 130; coloradense, 
246, 257 ; inebrians, 246, 257 ; longi- 
florum, 130, 131 ; oxyacanthoides, 
257; saxosum, 257; vallicola, 257 
Ricinus, 59 
Ridgway’s new color-book, Observa- 
tions on the use of. The color of 
the spores of Volvaria speciosa 
Fr., 29 
Roestelia Harknessianoides, 248 ; 
lacerata, 247 ; transformans, 228 
Roripa, 199 ; palustris, 199 
Rosa, 207, 243, 257 ; aciculata, 243, 
257; Fendleri, 257; grosse-serrata, 
257; Macounii, 257; Maximiliana, 
257; neomexicana, 243, 257 
Rubacer parviflorus, 257 
Rubus, 207 ; fruticosus, 207 ; parvi- 
florus, 248, 257 
Ruhlandiella, 104; hesperia, 104, 108 
Russula, 90, 91, 130, 163; albidula, 
91, 92; alutacea, 91 ; depallens, 91 ; 
emetica, 183; graveolens, 90; in- 
tegra, 91 ; meliolens, 91 ; rubes- 
cens, 91, 92; sanguinea, 92; squa- 
lida, 90 ; xerampelina, 90 
Rust fungi, A new book on the Brit- 
ish, 152 
Rusts, Notes on Uredinopsis mirabilis 
and other, 25 
Rusts of Utah, Host index of smuts 
and, 253 
Rusts of Utah, The smuts and — II, 
240 
Salix, 72; chlorophyla, 257; cordata 
lutea, 237; cordata Watsonii, 257; 
exigua, 257; Fendleriana, 257; 
flavescens, 257; glaucops, 242, 257; 
lasiandra caudata, 257; lasiandra 
Fendleriana, 257 ; lutea, 257 ; luteo- 
sericea, 257; monticola, 242, 237; 
Nuttallii, 237; pachnophora, 242, 
257; pentandra caudata, 23 7; pliy- 
licifolia, 257 ; schouleriana, 257 
Salpiglossis, 56, 59, 60 
Salsola Tragus, 257 
Saprolegnia, 285-287, 291, 299, 300; 
asterophora, 298 ; ferax, 298 ; mon- 
oica, 291, 298-300; torulosa, 299 
Sarcobatus, 120 ; vermiculatus, 243, 257 
Sarcoscypha albovillosa, 276 ; radicu- 
lata, 273 ; rhenana, 275 
