120 REPORT—1874, 
: Character 
Name of plant and soil abst php i. of ed Phyllotactic 
part examined. arrangement. be leaves. (vertica fraction. 
or spiral). 
Plantago major | 55 specimens had| 3, 5, & 8. Spiral. | Near 55. 
(spike). 1 specimen had! 6 & 10. s a. 
AUS Es A SAaaAT 56 
Carex stricta 1 specimen had) 5. Spiral. | Near 2. 
(spikelet). 13 specimens had| 6. Vertical.) 3-whorled. 
36 x Te Spiral. | Near 2. 
58 - 8. Vertical.) 4-whorled, | 
25 e 9. Spiral. | Near 2. 
vad ns 10. Vertical.) 5-whorled. 
2 S Ad. Spiral. | Near 53. 
1 specimen had} 10 
, Bsr a. 
18 showed distinct change in number of ranks and arrangement. 
1 was irregular. 
MOP estefan sia a 155 
Carex vesicuria | 4 specimens had| 5. Spiral. | Near 2. 
(spikelet). 41 * 6. Vertical.) 3-whorled. 
34 ” is Spiral. | Near 2. 
if = 8. Vertical.| 4-whorled. 
2 y 5&8. Spiral. | Near 3. 
2 9. an Near 2. 
20 showed distinct change. 
4 were irregular. 
Motel emateressharueks 114 
Lycopodium clava-| 1 specimen had| 7. Spiral. | Near 2. 
tum (stem and} 21 specimens had| 8. Vertical.| 4-whorled. 
branches). 1 specimen had) 8. Spiral. | Near 2. 
28 specimens had| 9. 9 Near 3. 
16 ae 10. Vertical.| 5-whorled. 
Spiral. | Near 2. 
9, 
Ispecimen had 10. Vertical.| 6-whavleds 
68 
Cactus ——,sp.?| 1, specimen had) 8. Vertical.) 4-whorled. 
(stem). 6 specimens had} 10. + 5-whorled. 
2 rf, 6 & 10. Spiral. | a. 
19 as Te Near 2. 
2 a 12. Vertical.| 6-whorled. 
8 showed distinct change. 
For similar facts, with respect to cones of Norway spruce, black spruce, European 
larch, American larch, see a paper in ‘The American Naturalist, vol. vii. no. 8, 
Aug. 1873, “On the Phyllotaxis of Cones,” by Prof. W. J. Beal. 
To the above are to be added the many common instances of plants 2-whorled 
(crucial) changing to a 3-whorled form, e. g. maple, sycamore, lilac, laurustinus, 
horse-chestnut, ash, elder, stinging-nettle, &c. 
