226 Plante Lindheimeriane. 
conspersis. Flores aurei.— Genus eximium, Berlandicre et 
Engelmanniz cognatum, diximus in honorem ejus acerrimi 
inventoris, qui floram Texanam largiter indagavit. 
424. L. Texana, Gray & Engelm. in Proceed. Amer. 
Acad. 1. p. 47. In thickets and rocky Cedar woods, New 
Braunfels ; also Comanche Spring, &c. (638). Also gathered 
in Western Texas by Mr. Wright. This has been cultivated 
now for two seasons in the Cambridge Botanic Garden as 
an annual; it copiously produces its neat flowers through the 
summer, and until killed by autumnal frosts. 
+ Sippxium Lactniatum, Linn. Prairies and open woods, 
New Braunfels. July. 
425. Encetmannia pinnatiripa, Torr. & Gray, Fl. 2. p. 
283. E. Texana, Scheele in Linnea, 22. p. 155. Upper 
Guadaloupe, on rocky hillsides, and in dry and hard prairie 
soil. April. 
(639.) E. prynatiripa ; var. foliis majoribus submembran- 
aceis. Comanche Spring, and New Braunfels. 
426. Parruensum Hystreropuorvs, Linn.; Torr. & Gray, 
Fl. 2. p. 248. Muskit Flats, near San Antonio, and in the 
streets of that town. April to October. 
427. Iva ancustiroui1a, Nutt. in DC. Prodr. 5. p. 529; 
Torr. & Gray, Fl. 2. p. 279. Comanche Spring, &c., in 
rocky, moist soil, and in the dry bed of streams, in large 
masses. ‘Used in brewing beer, in place of hops.” 
428, Amprosia apTeRA, DC. Prodr. 5. p. 527. A. trifida 
g. Texana, Scheele in Linnea, 22. p. 156. Low grounds, 
New Braunfels. August. Closely allied to A. trifida, 
but readily distinguished by the marginless petioles, terete 
stems, and the quite different fruit. The fruit is much 
smaller, generally 8-ribbed, and merely 4—6-tuberculate. 
429. A. coronoprrotia, Torr. & Gray, Fl. 2. p. 291; 
var. asperula, capitulis minoribus, fructibus interdum 6-tu- 
berculatis. A. Lindheimeriana, Scheele in Linna@a, 22. p. - 
156. Moist prairies, near New Braunfels. August. 
