Field notebooks, 1961-1993
Page 32
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Transcription
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