194 
Polygonum arifolium, 178; hydro- 
piperoides, 178; Muhlenbergii, 
178; orientale, 178; ennsyl- 
Polypodium incanum, 142; lycopodi- 
oides, 142 
Polystichum Braunii, 155 
Polytrichum commune, 120; juniperi- 
num, 120; ohioense, 16, 120; 
piliferum, 90 
Populus heterophylla, 110; tremul- 
oides, 90 
Potentilla tridentata, 121, 146 
Povah, A. H., 99 
Pozdena, Milton O., 
Proceedings of the iae 19, 58, 91, 
Prunus angustifolia, 2; avium, 3, 32; 
caroliniana, 6; ennsylvanica, 
117; serotina, 6; virginiana, 55 
Psedera, 152 
Pterolepis glomerata, 143 
Pyrola rotundifolia, 35 
Pyrus melanocarpa, 117 
Pyxidanthera barbulata, 88 
Quercus alba, 56; ilicifolia, 179; 
macrocarpa, 55; marilandica, 179; 
Mississippiensis, 39; velutina, 
156 
Quisumbing, E., Water Glass as a 
Medium for Permanently Mount- 
ing Dissections of Herbarium 
Material, 45 
Randia mitis, 143 
Ranunculus acris, 55; re pens, 35 
Reade, J. M. Ve. Ashei, 71 
Reed, Fredda Doris, 94 
Reimer, Marie, 62 
Rhapidorrhynchium oe 142 
Rhizocarpon petraeum, 1 
Rhizophora mangli, 143 
ye lapponicum, 
maximum, 9, 164; viscosum, 57 
Rhus Toxkendaidion, 1 
Ribes glandulosum, 163; lacustre, 155; 
triste var. albineryium, 155 
Richardia scabra, 
Right Angle Trees, peek Coit Mele- 
ney, 13 
Robinia hispida, 33; Pseudo-acacia, 
6; viscosa, 
Romanoff, H. M., 59 
Rosa carolina, 3 
Rubus argutus, 34; chamaemorus, 
164; cuneifolius, 2; nigrobaccus, 
Rudbeckia hirta, 34; laciniata, 34, 
155, 161; triloba, 34 
ea ha South America, re- 
Ta a Axel, 128 
Rynchospora cephalotes, 143 
Sabatia angularis, 35; stellaris, 178 
Salicornia, 152 
Salsola kali, 152 
Salvia carduaca, 76 
Sambucus racemosus, 168 
Sanguinaria canadensis, 35 
Sanguisorba canadensis, 153 i 
Sanicula canadensis, 35; trifoliata, 35 
Sarothra gentianoides, 35 
Sarracenia purpurea, 88, 156, 181 
te: 
Schwarz, Walter, A Shell Hole Flora 
s a Result of the World War, 
74 
Sciadopitys verticillata, 56 
Scirpus caespitosus 
Scutellaria integrifolia, 35; pilosa, 35 
Segall, Sylvia O., 6 
Senecio aureus, 35; sylvaticus, 174 
Shell Hole Flora as a Result of the 
War, Walter Schwarz, 174 
Sibbaldiopsis tridentata, 165 
Sida carpinifolia, 143 
Sieversia Peckii, 166 
Silene noctiflora, 123; Otites, 175 
Sinnott, Edmund W., 19, 26, 185 
Smilacina racemosa, 116; trifolia, 121 
Smilax herbacea, 30; lanceolata, 7 
ee a ee pe eee 
: 
: 
. 
| 
: 
1 
