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Arizona
6798 Streptanthus cordatus Nutt.
plants purplish, stony hillsides
as 6797
(3)
6799 Lesquerella arizonica Wats.
windy knoll, juniper area
1 mile East of Peach
Springs, Mohave Co.,
May 7
Floral parts persistent, silique
triangular.
(14)
67100 Lesquerella arizonica Wats.
perennial, petals at right angles,
limestone chips, pinon-juniper,
1 mile southeast of Dinosaur,
Coconino Co., May 8
Probably a polyploid - probably n = 10 - chromosome no
seems to vary. Asymmetrical division 9-11; 8-12 seen.
Several slides looked at.
(6)
67101 Sisymbrium ambiguam (Wats)Papp.
petals deep purple, two up & two
down, loose soil near junipers,
as 67100
fixed
n = 11 checked