139 ' 
dato-ovatis obtusis sinuato-dentatis, calyce patulo petalis 
(albis) duplo breviore, siliquis linearibus (unciam longis), 
pedicellis patulis, stigmate subsessili bilobo.—El Morro, 
province of San Luis, (4500 feet; and Villavicenzio, 
Andes of Mendoza, 5000 feet, Dr. Gillies. 
38. (3.) Sisymbrium Zrio, Linn.?—Near El Cerro Dorado, 
and Villavicenzio (5000 feet,) Andes of Mendoza, Dr. 
Gillies.—' The state of our specimens precludes our 
ascertaining this plant with certainty ; the petals appear 
white. 
39. (4.) Sisymbrium stenophyllum, (Gill. mst.); erectum, gla- 
berrimum, ramosum, foliis anguste linearibus inferioribus 
parce et grosse dentatis, superioribus integerrimis, calyce 
patulo, sepalis (purparascentibus) margine diaphano 
petalis (albis) parvulis brevioribus, pedicellis patentis- 
simis, siliquis linearibus gracilibus erectis, stigmate sub- 
sessili umbilicato.—Las Achiras, province of Cordova, 
(3000 feet,) El Porlezuelo de la Casa de Piedra; Andes 
of Mendoza, (7000 feet,) Dr. Gillies. 
40. (5.) Sisymbrium sagittatum, (Hook. et Arn.); erectum, 
strictum, glabrum, foliisinferioribus lanceolatisin petiolum 
latum attenuatis subruncinato-pinnatifidis, superioribus 
sensim minoribus et angustioribus sagittatis integerrimis, 
calyce patulo petalis breviore, siliquis longissimis line- 
aribus gracilibus pedicellisque patentissimis, nte 
sessili obtuso.— Valparaiso, Cuming (N. 429.) ` 
41. (6.) Sisymbrium leptocarpum, (Hook. et Arn.) ; erectum, 
ramosum, glaucescens, foliis lanceolatis sinuato-dentatis 
pinnatifidis inferioribus petiolatis superioribus sessilibus, ' 
calyce patulo petalis duplo breviore 
aceo, siliquis" longissimis pe 
stigmate sessili RE —Cordillera o 
(N. 315.) Turo e cor ac doe ELE a E de 
42. (7.) Sisymbrium ini (Gil. mst.) ; asss, is 
ramosum, flexuosum, basi frutescens, foliis omnibus petio- 
latis triangulari-ovatis dentatis, siliquis linearibus elon- 
gatis tortuosis pedicellisque patentissimis, stigmate pel- 
tato umbilicato subsessili, calyce patulo.—Jarillal above 
