334 
Mycologia 
Porto Rico based on collections by 
F. L. Stevens, Uredinales of, i6 
Potentilla monspeliensis, 15s; stri- 
gosa, IS5 
Producing heart-rot of apple trees, 
Fungi, 5 
Prospodium bahamense, 18; plagio- 
pus, 18 
Prunulus, 218; Abramsii, 220; adi- 
rondackensis, 220 ; alcaliniformis, 
220 ; argillaceus, 220 ; atribrunneus, 
220 ; atridiscus, 220 ; aurantiacus, 
220 ; aurantiidiscus, 220 ; avella- 
neigriseus, 220 ; avellaneous, 220 ; 
brevipes, 220 ; caesiialbus, 220 ; 
carbonicola, 220 ; cervinialbus, 220 ; 
cinchonensis, 220 ; cinereiavellan- 
eus, 220 ; collybiiformis, 220 ; cya- 
neobasis, 298 ; farinaceus, 220 ; 
flavicitrinus, 220 ; fuliginosus, 220 ; 
fumosiavellaneus, 220 ; fusipes, 220 ; 
gracillipes, 220 ; Grantii, 220 ; la- 
tericius, 220 ; Leaianus, 298 ; lepio- 
tiformis, 220 ; leucophaeus, 220 ; 
longipes, 220 ; ludovicianus, 220 ; 
magnus, 220 ; margarita, 220 ; mel- 
leidiscus, 221 ; minutissimus, 221 ; 
murinus, 221 ; myceliosus, 221 ; ni- 
veipes, 221 ; occidentalis, 221 ; 
ochraceicinereus, 221 ; paludicola, 
221; parvulus, 221 ; pectinatus, 221 ; 
plumbeibrunneus, 221 ; pubescens, 
221 ; roseipallens, 221 ; roseolus, 
221 ; rutilantiformis, 221 ; Sabali, 
221; scabripes, 221; subfumosus, 
221; subpulverulentus, 221; sub- 
tenuipes, 221 ; syringeus, 221 ; ten- 
uiculus, 221; testaceus, 221; tro- 
janus, 221 ; viridigriseus, 221 
Psathyrella disseminata, 54, 56, 252 ; 
impatiens, 54 
Pseudocymopterus montanus, 16 1 
Pseudomonas Citri, 112 
Pseudopeziza Medicaginis, 150 
Pseudotsuga taxifoli^, 92 
Psilopezia juruensis, 236, 237 ; num- 
mularia, 235-238 
Psilopeziza orbicularis, 237 
Psoralea micrantha, 168 
Ptelea, 136; trifoliata, 136, 141 
Pteridium aquilinum, 165 
Puccinia, 137; Absinthii, 156; Agro- 
pyri, 128, 129, 132, 133, 138, 139, 
141, 157; alternans, 132, 141, 157; 
amphigena, 126, 127; angustata, 
131, 132, 181; anomala, 139; apo- 
crypta, 138; Artemisiae, 156; 
Aristidae, 156; Asparagi, 156; As- 
perifolii, 133, 141 ; atro-fusca, 156; 
canaliculata, 25, 157; Cannae, 25; 
Caricis-Asteris, 158; Caricis-Soli- 
daginis, 158; Cenchri, 25; Cirsii, 
157; Cladii, 19; Clematidis, 157; 
Cordiae, 17; Cressae, 157; Crypt- 
andri, 157; Cynodontis, 20; Del- 
phinii, 157; Distichlidis, 136, 137, 
141 ; Dulichii, 130, 140; emaculata, 
127; Eleocharidis, 25; Ellisiana, 
158; Epilobii-tetragoni, 158; Erio- 
phori, 131, 132, 141 ; exitiosa, 18; 
extensicola, 130, 140, 158; farina- 
cea, 24; Gayophyti, 158; graminis, 
161, i8i; Grindeliae, 158; Gross- 
lulariae, 130, 141, 158; Helianthi, 
158; hemispherica, 159; Huberi, 
25; intermixta, 159; Jamesiana, 
134. 159; Kelseyi, 136; Koeleriae, 
159; lateritia, 25; levis, 25; lobata, 
159; luxurians, 160; Magnusiana, 
128; Menthae, 160; monoica, 160; 
montanensis, 137, 138, 139, 141, 
160; Muhlenbergiae, 160; obliter- 
ata, 157; obtecta, 161 ; opulenta, 
19; Oxalidis, 19; Philibertiae, 161; 
plagiopus, :8; poculiformis, 161 ; 
Prunispinosae, 16, 164; Pseudo- 
cymopteri, 161 ; punctata, 161 ; pur- 
purea, 16; Rhamni, 128; rubigo- 
verae, 129; Scirpi, 16; Seymouri- 
ana, 125, 130, 134, 135, 141 ; 
Sherardiana, 162; simillima, 127, 
128; simplex, 139; Sorghi, 162; 
Spegazzinii, 19 ; Sphaeralceae, 162; 
Spilanthis, 19; splendens, 162; 
Stipae, 162; subnitens, 135, 141, 
162; substriata, 25 ; Syndrellae, 25 ; 
Taraxaci, 163; tosta, 160; trans- 
formans, 18; tuberculans, 163; tu- 
midipes, 136, 141, 163; uniporula, 
130, 141 ; universalis, 163; Veratri, 
163; Violae, 163; Windsoriae, 13s, 
141 ; Xanthii, 17, 164 
Pucciniastrum Agrimoniae, 164; Myr- 
tilli, 164; pustulatum, 164 
Pulsatilla hirsutissima, 171 
Pustularia Stevensoniana, 198 
Pycnoporus cinnabarinus, 296 ; san- 
guineus, 56, 215 
Pyrenomycetes, 98 
Pyrola asarifolia, 154; chlorantha, 
154; elliptica, 154; secunda, 154 
Pyropolyporus conchatus, 296 ; Earlei, 
174; igniarius, 174, 296; praeri- 
mosus, 174 
Pythium debaryanum, 313 
Quercus, 176, 177, 315; undulata, 174 
Ramularia decipiens, 177; delphinii, 
55 : Grindeliae, 177; Lapsanae, 
107; sambucina, 177 
