Table 58. Composition of vegetation leeward of 1,200-foot sea oats dune. 1 



North Padre, Se 



ptember 1973. 



Vegetation 



Hits per 100 pins 



Bare ground 



83.6 



Bacopa Monnieri 



9.7 



Uniola paniculata 



1.6 



Panicum amarum 



1.1 



Oenothera Drummondii 



0.9 



Sporobolus virginicus 



0.9 



Hydrocotyle bonariensis 



0.7 



Croton punctatus 



0.5 



Eleocharis caribaea 



0.5 



Fimbristylis caroliniana 



0.4 



Fimbristylis castanea 



0.4 



Sesuvium portulacastrum 



0.3 



Euphorbia ammanioides 



0.2 



Erigeron myrionactis 



0.2 



Cynodon dactylon 



0.2 



Five additional species 



0.4 



1. Area sampled = 1,000 feet long (north to south) by 200 feet wide (east to west) 

 immediately west of artificial dune. Sampling procedure: 100 points (10-point, 

 point-frame) along a 30-foot random-direction line at each of 30 random points. 

 Total of 3,000 points. All hits counted. 



168 



