sinensis 
168 BOTANY. 
PINAROPAPPUS ROSEUS, Less.; DO. Prodr. T, p. 99. Western Texas; April. 
LYGODESMIA APHYLLA, DỌ. var. TEXANA, Torr. and Gray, Fl. 2, p. 484. Western Texas; 
April. ; 
PYRRHOPAPPUS GRANDIFLORUS, Nutt.; Torr. and Gray, Fl. 2, p. 495. Big Springs of the 
Colorado, &c.; April. 
CAMPANULACE EX. 
Dysmicopon ovatum, Nutt. in Trans. Amer. Phil. Soc. (n. ser.) 8, p. 256. Specularie sp. 
Torr. Mss. Western Texas; April to May. 
Dysmicopon PERFOLIATUM, Nutt. |. c. Campanula perfoliata, Linn. Specularia perfoliata, 
Alph. DC. Prodr. 7, pars 2, p. 490, (in part.) With the preceding. 
PLANTAGINACE. 
PLANTAGO VIRGINICA, Linn. Llano Estacado, and on the Colorado; March, April. 
PLANTAGO GNAPHALIOIDES, Nutt. Gen. 1, p. 100. On the Pecos; March. 
PRIMULACEJE. 
DopEcATHEON MeADIA, Linn. Western Texas; May. 
ACANTHACEEX. 
STENANDRIUM BARBATUM, (n. sp.; Plate IV): dwarf, multicipital, bearded all over with long - 
and shaggy white hairs; scape at first shorter than the oblanceolate, or narrowly spatulate, 
entire, and scarcely petioled radical leaves; bracts oblong-lanceolate, acute, entire, nearly 
equalling the corolla; anthers bearded on the back and tip; stigma funnel-form, its oblong 
margin not ciliate ; capsule oblong, 4-seeded. On the Pecos; March. First collected by Mr. 
Wright on a lower part of the same river. It is No. 1423 of his distributed collection. 
DriPrERACANTHUS STREPENS, Nees in DC. Prodr. 11, p. 121. Western Texas; April, May. 
CALOPHANES OBLONGIFOLIUS, Don; Nees in DC. Prodr. 11, p. 107, and var. Texensis, Nees. 
Western Texas ; April, May. 
SCROPHULARIACEA. 
LINARIA CANADENSIS, Don. On the Pecos, Llano Estacado, and Western Texas; March, May. 
VERONICA PEREGRINA, Linn. Llano Estacado, &c.; March. 
PENTSTEMON Cosma, Nutt.; Benth. in DC. Prodr. 10, p. 326. Western Texas; April, May. 
PENTSTEMON GRANDIFLORUS, Nutt. in Fras. Cat.; Benth. in DC. l. c. Near Fort Chadbourne ; 
May. 
PENTSTEMON ALBIDUS, Nutt. Gen. 2, p. 53. Upper Colorado, Texas; April. 
PENTSTEMON FENDLERI, (n. sp.; Plate V): erect, glabrous throughout, glaucous ; leaves cori- 
aceous, entire, the radical ones ovate or obovate, and tapering into a short petiole, the cauline 
ovate or oblong, and closely sessile; flowers cymulose, or sometimes subsolitary in the axils of 
the upper leaves and obovate bracts, forming a strict interrupted panicle or series of apparent 
verticils ; segments of the calyx ovate, with scarious margins ; corolla (blue or purple) funnel- 
form, scarcely bilabiate, sparsely bearded or smooth in the throat; sterile filament dilated and 
densely (yellow) bearded at the summit. On the Pecos and Llano Estacado; March, April. A 
species which occurs in all the collections made in this region, and is considerably variable in 
size, foliage, the number of the flowers, (which are handsome, and eight or ten lines long,) the 
size of the bracts, &c. It is most nearly related to P. acuminatus and P. nitidus, especially to 
the latter. 
