222 Planted Lindheimeriana. 



(629.) K. effusa (sp. nov.) : perennis ? caule virgato ad 

 apicem usque folioso hirsuto ; foliis utrinque hispidis oblongis 

 obtusis integerrimis e basi lata arete sessilibus, infimis subspa- 

 thulatis basi attenuatis, costa supra impressa subtus promi- 

 nula ; panicula decomposita patentissima, ramulis peduncu- 

 lisque filiformibus ; bracteis minimis subulatis ; involucri 

 turbinati squamis gradatim imbricatis oblongis marginibus 

 scariosis obtusissimis cuspidato-mucronatis ; ligulis albis 5 — 7 

 oblongis; fl. disci 7-10 sterilibus ; acheniis radii plano- 

 compressis ovalibus calloso-marginatis ad margines praesertim 

 hirtellis faciebus fere enerviis apice acutatis pappo minimo 

 setuloso-coroniformi superatis, disci omnibus abortivis gracili- 

 bus, pappo ut in radio. — Shady declivities, on the banks of 

 the Upper Guadaloupe, near Comanche Spring. August, 

 September. Stem from 18 to 30 inches high, very leafy to 

 the top ; the leaves about an inch long, not unlike those of 

 Aster patens, but not clasping. Heads very numerous: invo- 

 lucre scarcely more than two lines long. 



416. Gymnospermum corymbosum, DC. Prodr. 5. p. 312; 

 Torr. fy Gray, Fl. 2. p. 192. Rocky and naked limestone 

 terraces between the headwaters of the San Antonio and 

 Guadaloupe rivers. August - October. — The leaves are 

 nearly lanceolate. 



(80.) Gutierrezia Texana, Torr. fy Gray, I. c. New 

 Braunfels, in large masses on sterile soil. July, August. 



417. Solidago speciosa y. rigidiuscula, Torr. &f Gray : 

 foliis angustioribus, capitulis majusculis. S. Lindheimeriana, 

 Scheele in Linncea, 21. p. 599. On limestone gravel in the 

 dry bed of the Cibolo, between New Braunfels and San An- 

 tonio. October. 1 



cilia: styli fl. disci steril. appendice gracili lanceolata hispida superati. — Caulis 

 strictus, panicula polycephala composita, pedunculis pedicellisque filiformibus pa- 

 tentissimis, capitulis paucifloris. 



3. K. effusa : vide supra. — Like Brachycome, which it represents in America, 

 Keerlia as thus constituted exhibits both terete and compressed achenia. 



1 Solidago cylindrica, Scheele in Linncea, I. c, from Virginia, appears to be S. 

 gpeciosa /J. angustata, Torr. ^ Gray. 



