430 BOTANICAL GAZETTE 
[DECEMBER 
number of seeds per capsule. The F, progeny, with few mutations, 
came from capsules with about 200 seeds. 
(Perhaps the capsules 
TABLE II 
ANALYSIS OF THE F; CULTURES OF LEXINGTON E, FROM 4 F; F. typica, PARENTS 
\ 
ice 
3 4 S g Mut 3 3 3 a2 
Parent Culture = e| 28 thes =| $$] Other mutations |_3|8 
a4 |a4/ 85/28) ho" [28 | 23 a2 | 82 
3S |e |e |S ee elm 
Lex. E-5 I 156*! 131| 109; oO ° 3 | 17 | 2 (no. 208, angus-| 22 
tifolia) 
- 2 OO") 7a Sb 6 6 3 | 36|1 (no. 210, chi-! 46 
maera) 
u 3 | 106") 75] 33) 2 eee (ete. 41 
. 4 pod eae 5) UR alae 3 51:33 [9 42 
_ 5 104*| 69] 10] 2 I 4 | 51 | 1 (no. 238, gigas) | 59 
Total I~5 | 537 | 404] 194, 4] 15 15 |172 | 4 210 | 52 
Lex. E-19 I 340*| 270| 261; o ° 4 ° 9 
oe 2 350*| 239| 224) © ° id Ses ae eo) 15 
as 3 219*| 150] 142; oO ° 4} a1¢ 8 
. 4 299*| 230| 219| Oo ° oh ie II 
i 5 3787) 1431 108). 0.1: 10, 67)-1. 9-27 1-0 35 
Total...| 1-5 |1586 |1032| g54| 0 rs) 24 | 54] 0 78 (7 
Lex. E-25 I 187*| 136) 130] 0 ° 4:1 slo 6 
sf 2 5") 147| 143]. © ° pee iar fa te 5 
dy 3 186*) 145] 138] o fo) hs So 7 
Wi 4 180*| 147| 134] © I 1 oe 13 
= 5 144 | 72| 66] o rs) rt |+4 | x (mo. 34) 6 
Total I~5_ | 922 | 647| 610] o I 12.193) ¥ 37 |5-7 
Lex. E-43.. I 410f) 275) 238] o ° x | 2606 37 
a poe 4241] 362| 328] o 2 4 | 27 | 1 (no. 70§) ee 
Total. ..| 1 and 2} 834 | 637] 566} o 2 ge Me hae rs 
t Plants of f. se were grown lants from cultures 2, 3, 4,and 
tnd gy Lex Bos tall of thet see min BES ‘ 2, hy 45 and Lek ss E, 18 —— rom cifiares . 
, it r . ts ture 
Silents elle geod test, Tic mbt rel al nr cst mate 
except that = of a weaker of mut. selacea died at various stages of development. 
wo capsules. 
§ Lex. E. ce oe was a new mutation combining characters of mut. nitida and mut. angustifolia, two 
frequent derivatives of O. pratincola. 
had dehisced at the apex and lost part of their seeds, as frequently 
happens. A normal capsule of O. pratincola contains 300 seeds, 
