The Phototropic Properties of Lactuca Ludoviciana (Nutt.) DC. and Silphium Laciniatum L.

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This paper deals with certain phases of phototropic properties of two exceptional plants, the pertinent behavior of each being decidedly individualistic and in remarkable contrast to that of herbaceous plants in general. The prickly lettuce, Lactuca ludoviciana (Nutt.) DC. and the rosinweed, Silphium laciniatum L., two common Denton County, Texas, plants, have been selected for this study.

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iv, 26 leaves

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Neal, George C. 1941.

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This thesis is part of the collection entitled: UNT Theses and Dissertations and was provided by the UNT Libraries to the UNT Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 194 times. More information about this thesis can be viewed below.

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  • Neal, George C.

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This paper deals with certain phases of phototropic properties of two exceptional plants, the pertinent behavior of each being decidedly individualistic and in remarkable contrast to that of herbaceous plants in general. The prickly lettuce, Lactuca ludoviciana (Nutt.) DC. and the rosinweed, Silphium laciniatum L., two common Denton County, Texas, plants, have been selected for this study.

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iv, 26 leaves

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  • 1941

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  • Feb. 9, 2012, 7:58 p.m.

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  • March 17, 2020, 11:55 a.m.

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Neal, George C. The Phototropic Properties of Lactuca Ludoviciana (Nutt.) DC. and Silphium Laciniatum L., thesis, 1941; Denton, Texas. (https://digital.library.unt.edu/ark:/67531/metadc75308/: accessed April 18, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; .

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