Field notes, v562
Page 61
Image from the Biodiversity Heritage Library. Contributed by Museum of Vertebrate Zoology, University of California, Berkeley. | www.biodiversitylibrary.org
Transcription
13 (a) Journal Notes on Vegetation in Joshua Tree Nat'l. Mon. 12 April From Joshua Tree to 29 Palms is a Lenea-Gucca mahanensis community, with other minor shrubs, on the broad gently sloping piedmont plain. Few Smoke Trees in a wash 1 mi. W. of 29 Palms. Monument HQ - going south into monument-mileap [82.4]yz = Rising up the alluvial fan, blooming Lenea and other shrubs; Opuntia ramosissima and Cholla, no Guccas. (82 [826] = Monument Boundary, more Lenea in bloom. [830] = First Gucca lucidifolia in pod stage, near head of canyon & carpets of wild flowers - the white popcorn like and the yellow [831] = thru a Pass & the turn off to the SW; a Joshua forest with mixed up of shrubs. Lenea is not a dominant. Many of the shrubs appear dormant or dead. Fewer flowers and no passes. The shrubs are fairly close together. [832] Belle Camp cause granitic sandy-gravel with many outcrops of granite to the East of the highway [833]1/2 Out of the Joshua Trees; mixed shrubs with Y. mahanensis. 834 +/- White Tank 835 Photo to SE [836] Dawn Canyon, sandy-silt and dark rocks on hill. Few Y. mahanensis in the flower stage or pod stage. Diverse shrubets forks with same bladdered in washes. The hills are barren of vegetation. Canyon is 100 yds wide; more shrubs in flower here. A few Chilopsis in wash; they are well leafed out. (about 10:30 a.m.) [839] = Out of canyon onto a steep broad alluvial