151 
of frequency. In tobacco only one bud variant was noted in 200,000 
plants. Penedict (16) regards the production of 50 new Boston ferns in 
fifteen years as rapid. East (46) notes that all of the asexual variations 
have been losses of characters. 
The pedigrees of the various Helminthosporium saltants which I have 
studied are indicated in the following table: 
PEDIGREE TABLE OF SALTANTS 
( 65 
| 81 
ee Okeoas He 
| 53*, 56*, 57*, 58 
5 ote GO NG! 
es 
|  go* s 7 
| go* ae suave eae 74 
6 HNo. te tue 
Wee Ue 76 aa 
69 98 
een ORCS e yer H.No.8...4 99 
a 100 
a 69 
ae H.No.9..:4 101 
Ch sae 88b Ws 
88a 88c 
88d me 
Tee ge oR a oy. 74 ERINos 132s 75 
15*.,...... -.64* ry, 
He Nord ss aeee eee 70 HNo 14... 67 
Bene tien ae a 91 
ees 
EIN HI nao 129 
fei wee teres ( 105 
i 77 gia Unknown...... Oe 4 184 
ie ae at | 387 
134 : < 
ee EH No. 34) ee57 
H. No. 39...Gave many sal- 
49. esses 80 tants not num- 
/ 118 bered. 
Si ees ee dy 198 
| 124 
1*, 6, 7, 8, 10, 12, 14, 16-19*, 20, 21*-25, 
28-30*, 31*, 32*, 33*, 34*, 38*, 39, 41-48, 
50, 51, 70* 
*Numbers followed by an asterisk are pictorially represented in the plates. 
