wy 
a EFFECTS OF SELECTION ON ALKALOIDS IN BELLADONNA. 
9 
Taste V.—Alkaloids in the leaves of first-generation belladonna plants from close polli- 
nation and cross-pollination of selected parents at two stages of growth at Arlington, 
Va., during the second season, 1914—Continued. 
Alkaloidal content (per cent). 
Alkaloidal content (per cent). 
Lot and number. First ecnnd Lot and number. First 
stage, stage, | Average. stage, 
Aug. 1. | Sept. 5. Aug. 1. 
Lot 6w, cross-polli- Lot 7w, cross-polli- 
nated—Contd. nated—Contd. 
: 1 cea eae ae eas 0. 997 0. 520 0. 758 CS A ee 0. 816 
: Th BES CSE are [tah oo are FO09o Meee ata (0) 2 apnea age ar 1.062 
7 SS sede 1.124 . 644 . 884 1 (ieee ge ee . 690 
2. Gee RS 1.138 . 608 . 873 ARLE) sso Rr Oe . 868 
POMS oo AL a . 8388 
Average.....- . 952 HOSS iene eee 11S} aaa Me oie 1.062 
AL Aare stesante aes seh - 990 
Lot 7w, close polli- DOR elor cs one . 758 
nated: LGR ee aeRO aa . 885 
1h Spee alee eg - 948 de . 859 D/P ARS A eNO . 704 
7). ek EEE IEG - 626 . 672 . 649 OS or ae WRU Be . 983 
2s Seda seOBe Bees - 898 . 693 . 795 1D ay et - 739 
(6b ac aCe pat ae Shops) (oA ae AR NTH hall sine erate PLU aia Se salt allies . 758 
3.5 Sa See . 704 1.098 - 906 YA Ries EGS em eo 1.015 
ORE ge Sos - 953 wll . 865 D2 ei ABET LB . 784 
ee re od Bae . 624 . 594 . 609 Pi PER RA ate . 872 
Siete ehice cated . 851 . 834 . 842 Dae re NTE Hed . 877 
Osco beens aes . 756 . 926 . 841 DOES a suas te. ie 1.036 
TD el ee ee 927 . 822 . 874 ASE Nea ee Rie lh HS 1.036 
TTD Spe Pa RR Sto does Bees Dee ae - 631 
UD se eae apa 950 . 657 . 803 
TBs Scape aie 744 . 762 DS Average.....- . 865 
gies pia SAN 1.193 . 837 1.015 
1h eae See Peer 997 599 . 798 || Lot 3: 
Gee rene ne re? 882 . 809 . 845 [ea Wares tara rats . 452 
Werte Eee ia) Aad 997 - 632 . 814 Dis ayen 0 A oie ie ed - 452 
TS eeepc neat 694 . 707 . 650 Qe eee ers . 306 
1X0 ye 27D Sea aera CO C725) Fe etme esa (ON Se Abe RIE iy ee - 425 
2c SES BGO EE OO Rec I ieee ea cle 
Pail = CAS cee TROLOM eee ee Mas Bk sir Average...... - 409 
2D) 3S seer eR SER See IE ae Re ta 
FB} 5 ce Cesena a 810 . 687 . 748 || Lot 23 
THE NEA ampere be 790 . 651 . 665 1 akroies as oe EUS Ue pe A 
FAO AS Lata De ARON | aaa eae 
Average.....- . 855 Aaa: is Atte atte pala il al eee ae 
A os ie pa LE NOL 
Lot 7w, cross-polli- teu nat pede Nee Ik. sal Nate 
nated: GSR ok ays 2) | Sa ees 
1 o ostcaeBenaaeE . 992 . 672 832 Se Foe alerts | Gees eee 
2 SESE Ee TOGA Bese oe EAR cine rE Sere Die | IER Sts 
ee estes moe . 864 - 596 . 730 OER MO Ue UC): HORM eee 
Glo iy Ae eee . 810 . 523 - 666 TQS a) Sets pyce) 2 | Sea anita a 
15s be iat eee 911 .553 toe 
D528 ee One Ee 1. 036 - 696 . 866 IANOLALO a2 | Says aceon 
Is acaqst eee - 568 - 463 -515 
SUMMARY OF AVERAGES FOR THE VARIOUS LOTS. 
Alkaloidal 
Lot. yield of 
parent First 
stage. 
Sueanmerclase pollinated: : 8822 284) 2 lssl lie ee High...... 0. 906 
Mra CLOSS-Pollinated.. 2c) oaks ose k ocd dances ino (oie A . 952 
Suuemacioso pollinated: ot abo. ble eco dows ees . 855 
EMENEECLOSS-DOllinatedes. yee ee ae Comes . 865 
Precoss-pollinated. | 2222 ce oie. Lowa . 409 
MUPSMMCERSS “DOT ALCG. Ja) soo fee os ol ee ccccaccceeslees CG Kamael eae San 
5931°—Bull. 306—15——2 
Second 
stage, | Average. 
Sept. 5. 
0.596 0.579 
.574 . 818 
672 . 881 
. 425 -Ogl 
. 641 . 763 
Aap) - 619 
ELEN SG - 983 
. 394 . 566 
. 897 . 827 
. 732 - 873 
- 813 . 798 
. 620 . 746 
- 798 . 838 
. 823 . 929 
. 823 . 929 
. 345 . 488 
SOLO Fae ee ers: 
HOLOM oan eee cee 
H5 2842 eee 
OO eee ras 
OOO WIE Saas 
ACV /Sial dase Sees 
AR VCO ee OEE 
47 2)|e chien 
Paty) 7} peek nea 
NOSE See ie 
ei 4A Sit [ference 
Gye) Wal penne ees ie 
OOD | =. 
(Geto ee Aras ke 
0948) eer le 
A OTe ately 
BCL fill has eae 
Average alkaloidal content 
(per cent). 
Second 
stage. Season. 
0.765 | 0.83 
1634 | .793f°: 814 
1753 | 804 
"619 | 1740p ° 78 
1473 | 1441 
1497 | .497 
