32 Engelmann and Gray, 
speciosa. —60. Gaura sinuata. — 80. Gutierrezia Texana. — 
83. Solidago leptocephala. —94. Echinacea angustifolia. — 
96. Helianthus cucumerifolius. — 104. Gaillardia amblyodon. 
— 107. Hymenopappus artemisiefolius ; with the leaves, as 
usual, extremely variable ; some of them occasionally obovate- 
lanceolate, and perfectly entire. — 110. Marshallia czepitosa ; 
srowing in scattered plants on the dry prairies near the Mill 
Creek. — 137. Herpestis cuneifolia, in fruit. — 138. Buchnera 
Americana_@. parviflora, in flower. — 145. Salvia azurea. — 
153. Monarda aristata, which in the inland parts of Texas 
appears to take the place of M. punctata near the coast. — 
161. Utricularia subulata. — 167. Eriogonum longifolium £. 
plantagineum. — 169. Stillingia sylvatica, in fruit. — 174. 
Euphorbia bicolor. — 175. Aphora mercurialina, in flower. — 
184. Commelyna angustifolia. — 199. Allium mutabile. Shady 
moist places on Mill Creek. April, May. Larger specimens 
than those gathered in 1843, near Houston, 12 to 20 inches 
high, the umbel not bulbiferous. Ovary with a crown of 
three scales, which disappear as the capsule ripens, (in this 
respect unlike A. stellatum and A. reticulatum,) 6—ovuled ; 
the capsule 1—3-seeded. — 189. Eustylis purpurea: rather 
common between the Brazos and the Colorado. April — Au- 
sust.—198. Scilla angusta, nob. Dry prairies west of the 
Brazos. April. é 
215. Brasenta pELTATA, Pursh. Specimens in fine fruit, 
gathered in July in clear rivulets between the Brazos and the 
Colorado. 
216. Drasa cunerroxia, Nutt. in Torr. & Gr. Fl. I. 108. 
Dry grassy places, March.—In some specimens the silicles 
are almost, if not quite, glabrous. D. micrantha, Nutt., which 
differs only in the like respect from D. Caroliniana, is probably 
therefore a mere variety of that species. ' 
217. VesIcaRIA AURICULATA (7. sp.): annua, caulibus de- 
cumbentibus canescenti-hirsutis ; foliis sparsin1 pilosis, infimis 
lyrato-pinnatifidis sinuato-dentatisve basi attenuatis, ceteris 
ovato-lanceolatis basi cordato-auriculata sessilibus vel semi- 
