27 



Two forms of this willow were collected, one in flower (1643), April 

 24, about a mile and a half below Kerrville, near the mouth of a tribu- 

 tary of the Guadalupe, which empties from the right bank. The speci- 

 mens were from a slender bush or clump of bushes about 10 feet high. 

 The leaves are comparatively short and broad in proportion, very white 

 underneath. The othtr, collected on the right bank of the Guadalupe, 

 about a mile below Kerrville, was a branching bush 10-15 ^ eet m n > m 

 fruit (1902), June 22. The leaves are longer and narrower, more like 

 S. nigra, light green, shining, and less whitened beneath; altitude 1600 

 feet. 



Type locality, "in Nova Mexico." 



FAGACEAE. 



QUERCUS L. Sp. PI. 994 (i753)- 

 Quercus cinerea Michx. Fl. Bor. Am.. 197 (1803). 



A bush about 7 feet high on the left bank of the Guadalupe, at Kerr- 

 ville, on a moist limestone ledge. The leaves seem to be deciduous, as 

 there were no signs of old ones. Apparently not recorded from so far 

 south and west, its range given as " sandy barrens, extending from the 

 Gulf States to the valley of the Brazos." 



April 19 (1616) ; type locality, Carolina and Georgia. 

 Quercus coccinea Wang. Am. 44, t. 4,f. 9 (1789). 



Quercus rubra var. /? L. Sp. PI. Ed. 2, 1414 (1763). 



Occurring as a small spreading tree along the Guadalupe and its tribu- 

 taries about Kerrville, altitude 1650 feet. 



April 19 (1639). 



Quercus Virginiana Mill. Gard. Diet. Ed. 8, No. 16 (1/68). 

 Quercus virens Ait. Hort. Kew. 3: 356 (1789). 



Occurring as straggling bushes 6-8 feet high at Flower Bluff, near the 

 Gulf coast, altitude 15 feet. 



April 9 (1542). 



ULMACEAE. 



CELTISL. Sp. PI. 1043(1753)- 

 Celtis occidentalis L. Sp. PI. 1044 (1753). 



A small tree in the region of Corpus Christi, along Nueces Bay, at 

 sea level. At San Antonio it often occurs as a large spreading tree with 

 rough, corky bark and thick coriaceous leaves, whitened beneath. 



April 17 (1587) ; type locality, Virginia. 



