. Bulletin. Science; Natural history; Natural history. 62 SOUTHERN CALIFORNIA ACADEMY OF SCIENCES 20- E E -.30 -.20. oi -.10 20 DAYS Fig. 3. Heterosiphonia erecta. All standard deviations were 21.34 mm. veloped within 4 mm behind free-floating apices and in this characteristic the laboratory plants resembled typical naturally occurring plants. Branching in Branchioglossum species is irregular and variable (=indetermi- nate) and at 12°C no branches formed in cultures. At 16°C 8-16 few short branches developed, but at both 16°C and 20°C with 16 hours of light, numerous branches were initiated,
Image details
Contributor:
Library Book Collection / Alamy Stock PhotoImage ID:
RH0810File size:
7.2 MB (153.9 KB Compressed download)Releases:
Model - no | Property - noDo I need a release?Dimensions:
1387 x 1802 px | 23.5 x 30.5 cm | 9.2 x 12 inches | 150dpiMore information:
This image is a public domain image, which means either that copyright has expired in the image or the copyright holder has waived their copyright. Alamy charges you a fee for access to the high resolution copy of the image.
This image could have imperfections as it’s either historical or reportage.
. Bulletin. Science; Natural history; Natural history. 62 SOUTHERN CALIFORNIA ACADEMY OF SCIENCES 20- E E _ -.30 -.20. oi -.10 20 DAYS Fig. 3. Heterosiphonia erecta. All standard deviations were 21.34 mm. veloped within 4 mm behind free-floating apices and in this characteristic the laboratory plants resembled typical naturally occurring plants. Branching in Branchioglossum species is irregular and variable (=indetermi- nate) and at 12°C no branches formed in cultures. At 16°C 8-16 few short branches developed, but at both 16°C and 20°C with 16 hours of light, numerous branches were initiated, grew, and branched repeatedly, making it virtually impossible to measure the lengths of original axes after three weeks. The final growth is shown with weight data in Figure 2 and photographs in Figure 5. None of the cultures became pale or changed color during the nearly two months of experimental growth. Heterosiphonia erecta developed typical close, regularly-spaced sympodial branching under all growth conditions and consequently after 20 days the original primary axes could not be accurately measured. The final comparison of growth. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Southern California Academy of Sciences. Los Angeles, Calif. : The Academy