Dulcis ranging northwards into Texas, G.
Isobutyric acid is found in the free state in carobs (Ceratonia siliqua) and in the root of Arnica dulcis, and as an ethyl ester in croton oil.
The alluvial valley of the Guayas, above Guayaquil, is celebrated for the richness of its vegetation, which, in fruit alone, includes cacao, coffee, coco-nuts, pine-apples, oranges, lemons, guayavas (Psidium pomiferum), guavas (Inga spectabilis), shaddocks (or grape-fruit), pomegranates, apricots, chirimoyas (Anooa Chirimolia), granadillas (Passiflora quadrangularis), paltas (Persea gratissima, otherwise known as " alligator pears "), tunas (Cactus), mangoes (Man,gifera Indica), pacays (Prosopis dulcis), aji (Chile pepper), and many others of less importance.
His heart, embalmed and enshrined in a coffin of ebony and silver, which she always kept beside her, was, at her death in 1290, buried with her in the precincts of the abbey, which thus acquired its name (Abbacia Dulcis Cordis, or Douxquer).
The oration which he delivered on this occasion was composed upon these words of Virgil: "Sed me Parnassi deserta per ardua dulcis Raptat amor."