THE BOTANY OF SOUTH AMERICA. 173 



13. Nierembergia pinifolia (n. sp.) j — caule adscendente 

 lignoso, inferne denudato, ramulisque delapsu foliorum, 

 cicatricosis, apice foliiferis; foliis imbricato-confertis, 

 ereetis, linearibus, 3-costatis, apice mucronatis, caly- 

 ceque rigido 10-costato glanduloso-pubescentibus ; corolla 

 violascenti. — Brasilia meridional^ (Prov. Rio Grande do 

 Sul.) v. s. in herb. Hooker. 



The leaves are closely imbricated at the summit of the 

 branchlets, nearly erect, and closely imbricated, 11 lines 

 long, | line broad, the calyx is 8 lines long, cleft half way 

 down into 5 equal lanceolate rigid segments, the tube of the 

 corolla is scarcely longer than the calyx, and the campanular 

 border f inch diameter, of a lilac hue, is marked with longi- 

 tudinal purple lines. 



14. Nierembergia pulchella (n. sp.); — caulibus adscendentibus; 



foliis lineari-lanceolatis, utrinque acutis, margine apiceque 



mcrassatis, subpubescentibus : calyce subinflato, 10-nervi, 



pilosulo ; corolla profunde violacea, puberula, tubo gracili, 



calyce paulo longiori, limbo late campanulato, staminibus 



weequalibus. — Cordillera de los Andes, ora orientali. v. s. 



in herb. Hook. (Gillies MSS. N. pulchella.) 



The leaves are 1 1 lines long, on a petiole of 2 lines, and 



1^ line broad; the calyx is 5 lines long, cleft halfway into 5 



linear, acuminate, erect segments, it swells in fruit to the 



length of 7 lines, the tube becoming nearly globular, 2\ lines 



in diameter, the tube of the corolla is 6 lines in length, the 



border campanulate, 5 lines in diameter, and of a deep purple 



colour. 



15. Nierembergia carulea (n. sp.) ,• — caulibus adscendentibus, 

 pubescentibus ; foliis parvis, anguste linearibus, fere fasci- 

 culatis, erectiusculis, falcatis, demum glabris ; corolla vio- 

 lacea.— Punta del Sauce, Prov. Cordova, v. s. in herb. 

 Hooker. (Gillies MSS. N. ccerulea.) 



The leaves are 6-7 lines long. | lin. broad, the calyx 3 

 lines long, cleft halfway in 5 equal, linear, somewhat reflexed 

 se gments, on a peduncle of 2 lines : the tube of the corolla 



