INDEX. 
127 
Ptelea 
Puccoon, Yellow 
PULSE FAMILY 
Pycnanthemum 
Pyrus 
Quick-Grass 
Queen’s Delight 
Quercus 
Ragweed .. . 
Ranunculacese 
Eanunculus 
Eattlesnake-root 
Kattlesnake-weed 
Rattlesnake-Master 25, 
Redbud 
Redroot 
Rhamnacete 
Rheumatism-root 
Rhododendron 
Rhus 
Robinia 
Rock-Rose 
Rosacere : 
ROSE FAMILY 
Royal-Fern 
Rosin-weed 
Rudbeckia 
RUE FAMILY 
Rumex 
Rush, Common 
RUSH FAMILY 
Rutaceae 
Sabbatia 
Salicaceas 
Salix 
Sanguinaria 
Sanicula 
Sapindacefe 
Saponaria 
Sarracenia 
Sassafras 
Saururus 
Saxifraga.ceae ... 
SAXIFRAGE FAMILY 
Scrophularia 
Scrophulariaceae 60 
Scutellaria 69 
Senecio 43 
Seven-Bark 22 
Sheep-sorrel 73 
Shepherd’s-purse 8 
Shellbark 81 
Shield-Fern 96 
Shrubby Trifoil 13 
Sidesaddle-Flower 6 
Silybum 42 
Silphium 35 
Simarubacese 13 
SIMARUBA FAMILY 13 
Skullcap 69 
Skunk-Cabbage 93 
Smart-weed 73 
Smilax •• 89 
Snake-root, Black 3,25 
Snake-root, Seneca 17 
Snake-root, Virginia 75 
Snake-root, White 31 
Sneeze-weed 39 
SOAPBERRY FAMILY 15 
Soapwort 9 
Solanacem 59 
Solanum 59 
Solidago . 33 
Solomon’s-Seal 90 
Sourwood .. 48 
Spanish-Needles 39 
Spatterdock 6 
Spearwort 1 
Spigelia 54 
Spikenard 27 
Spirtea 21 
SPURGE FAMILY 77 
Spurge, large-flowering 77 
Squaw-weed 43 
Squirrel-corn 7 
St. John’s- wort 9 
Staff-tree 14 
STAFF-TREE FAMILY 14 
Star-grass 87 
Stellaria 9 
Steeple-bush 21 
13 
2 
7 
66 
21 
94 
78 
82 
36 
1 
1 
44 
44 
,32 
19 
15 
15 
5 
49 
16 
18 
8 
20 
20 
96 
35 
37 
12 
72 
92 
92 
12 
54 
84 
84 
7 
25 
15 
9 
6 
75 
77 
22 
22 
61 
