An Alfred Lemuel Penland died 2 June 1929 in Eastland County, Texas. Could that be your Alfred Lemuel? I know he had a son by the name of Alfred. Was his middle name also Lemuel. I found an Alfred Lynn Penland.
Texas Death Index, 1903-2000
about Alfred Lamud Penland
Name: Alfred Lamud Penland
Death Date: 2 Jun 1929
Death County: Eastland
(I looked at the originial. The middle name is is not clear, but I could make out that it was Lemuel, instead of Lamud.)
Shell L Penland is found as a patient at that state mental institute in Cherokee County on the 1930 census. She is also in Bandera County with her brother on the 1930 census. She is listed as a firstname.lastname@example.org