No. of 
Flower 
452 
IOWA ACADEMY OF SCIENCE Vol. XXIV, 1917 
TABLE 2— SIZE OF FLORAL ORGANS. 
Organ 
Shape 
Dimen- 
sions, 
cm. 
Breadth: 
Length= 
Lateral sepal 
7.8x2. 
Outermost petal. 
lanceolate 
7.5x2.3 
1:3.26 
Peduncle stout, striped 
Petal of 3d row.., 
spatulate 
7.2X2.5 
1:2.88 
Inner petal 
spatulate 
5.5x2.0 
1:2.75 
Innermost petal-. 
acute 
4.6xl.5 
Outer stamen 
41x0.7 
Anther 1.2 cm. long 
Innermost st 
0.9x0.05 
Anther 0.4 cm. long x 
0.1 cm. 
Lateral sepal 
elliptic 
6.5x2.3 
Outermost petal. 
spatulate 
6.6x2 .4 
1:2.75 
Petal of 3d row__ 
6.0x2. 2 
1:2.72 
Inner petal 
rounded- 
spatulate 
4.8x2.0 
1:2.4 
Innermost petal- 
3.3X1.5 
Peduncle stout, striped 
Outer stamen 
3.4x0. 8 
Anther 0.7 cm long 
Lateral sepal , 
elliptic 
8.0x2.7 
Outermost petal- 
elliptic 
7.7x2. 5 
1:3,08 
Petal of 2d row— 
spatulate 
7.8x2.9 
1:2.69 
Petal 
ob. lanceolate 
7.0x2. 6 
Petal 
ob. lanceolate 
5.9x2.3 
Petal- 
spatulate 
4.9x1. 9 
Innermost petal-. 
ob. lanceolate 
4.2xl.3 
Outermost 
stamen 
41x0.8 
Anther 1.0 cm. long 
Outer stamen 
4.0x0. 5 
Anther 1.3 cm. long 
Sepal 
6.7x2, 2 
Petal 
elliptic 
6.7x2.2 
1:3.05 
Petal 
obovate 
6.4x24 
1:2.66 
Petal 
spatulate 
5.2x20 
1:2.6 
Petal _ 
elliptic 
4.1x11 
Stamen _ 
elliptic 
3.8x0,9 
Peduncle stout, striped 
Stamen 
elliptic 
3.6x0.6 
Sepal 
61x1.9 
Outermost petal- 
elliptic 
6.3x2.4 
1:2,625 
Petal 
spatulate 
6.6x2.2 
1:3.0 
Petal 
spatulate 
4.9X2.4 
1:2.0 
Petal 
spatulate 
4.4x1. 7 
Petal 
spatulate 
41x1.4 
Peduncle striped 
Outer stamen 
3. 6x0.6 
Outer stamen 
3.2x0. 3 
Anther 1.4 cm. long 
Width of outermost petal: length=l: 2.625 to 1:3.26 (extremes). 
1: 2.96 average of 5. 
Width of second row petal: length=l:2.66 to 1:3.0 (extremes). 
1:2.76 average of 5. 
