October 14, 1981 anter-layer. Ecuador, Prov. of Carchi. w. of Tulcan, a west of [illegible]. At the Aguas Hediondas, a sulphurous spring of very hot (almost boiling) extremely malodorous water. 3450 m. Open areas were paramo with Espeletia and Buys. Collections made at the head & side wall of the valley in Forest. Polylopis ? a Weinmanis? on twigs. of branches (77° 55', 648 m) 5256 (1), 1- Lichen, on twigs T 5257 (1), 1- Lichen, on twigs T 5258 (1), 1- Lichen, on twigs. T