Rusby : An Enumeration of South American Plants 83 



Mesosphaerum eriocephalum (Benth.) Kuntze, Rev. Gen. PL 

 526. Sorata, 8000 ft., Feb., 1886 (no. 1404). The same as 

 Bang's no. 976. 



Mesosphaerum excelsum (Mart, et Gal.) Kuntze, Rev. Gen. PI. 

 526 {Hyptis excelsa Mart, et Gal. in Bull. Acad. Brux. n, 2: 

 (1844) 188. Reis, 1500 ft., June, 1886 (nos. 928 and 1783). 



Mesosphaerum lantanifolium (Poit.) Kuntze, Rev. Gen. PL 526 

 {Hyptis lantanifolia Poit. Ann. Mus. Par. 7: 468.pl. 2p). Mapiri, 

 5000 ft., Feb., 1886 (no. 1408). Apparently a badly developed 

 plant of this species. 



Mesosph 



Rev. Gen. PI. <26. 



Yungas,6ooo ft., 1885 (no. 1417). The same as Bang's no. 270a. 



Mesosphaerum recurvatum (Poit.) Kuntze, Rev. Gen. PI. 527 

 {Hyptis recurvaia Poit. in Ann. Mus. Par. 7 : 46j.pl. 28./. 1. 1 806). 

 Reis, 1500 ft, June, 1886 (no. 1392). 



Mesosphaerum spicatum (Poit.) (Hyptis spicata Poit. in Ann. 

 Mus. Par. 7 : 474. pi. 28. f. 2. 1 806). Mapiri, 5000 ft., Apr., 1 886 

 (no. 1393). Reis, 1500 ft, June, 1886 (no. 1395). Guanai, 2000 

 ft, May, 1886 (no. 1394) and Sorata, 8000 ft.; Feb., 1886 (no. 

 1409). 



Mesosphaerum uncinatum (Benth.) Kuntze, Rev. Gen. PI. 527 

 {Hyptis uncinata Benth. Lab. Gen. et Sp. 80). Mapiri, 5000 ft, 

 Apr., 1886 (no. 1396). The same as Bang's no. 1236. 



Mesosphaerum Yungascnse Britton ex Rusby, Mem. Torr. 

 Club, 4 : 246. Yungas, 6000 ft., 1885 (no. 14 10). 



Mentha aquatica L. Sp. PI. 576. Vic. Valparaiso, Chili, June, 

 1885 (no. 1062). 





Mentha Pulegium L. Sp. PI. 577. 



J 



1885. 



ipogon 



Vic. La Paz, 10000 ft., 



February, 1885 (no. 1406). 



Bystropogon mollis H.B.K. Nov. Gen. et Sp. 2: 317. Un- 

 duavi, 8000 ft., October, 1885 (no. 1499). 



Bystropogon andinum Britton, sp. nov. 



Finely and closely tomentellate throughout : branchlets numer- 

 ous, divaricate, elongated, very slender^ reddish, the internodes 

 about 2 cm. long : petioles 2-3 mm. long, very slender, chan- 



