106 PATAGONIAN EXPEDITIONS I BOTANY. 



ANGELOPOGON (DC.) Poepp. et Endl. 



A. LINEARIFOLIUM Poepp. et Endl. 



Described, Macl., p. 337, as Myzod. Knearif.; also in N. Patagonia, Ter- 

 ritory of Neuquen. 



Fam. 28. SANTALACEyE. Macl., p. 338. 



MYOSCHILOS Ruir. et Pav. 

 M. OBLONGUS Ruir. et Pav. Macl., p. 339. 



Also in W. Patagonia, Ultima Esperanza, Lago Argentine ; Central 

 Patagonia, the pre-andine district; Guaitecas Ids. 



ARJONA Cav. 



A. ADPRESSA Phil. Macl., p. 341. 

 Also in E. Patagonia, Puerto Comodor Rivadavia on bushy slopes. 



A. RIGIDA Miers. Macl., p. 342. 

 Should be deleted ; not known from our district. 

 Add Macl., p. 342. 



A. CHUBUTENSIS Dus. n. sp. (Plate IV). 



Humilis, c. 8-15 cm. alta, inflorescentia excepta, glaberrima; caulis 

 erectus, basi brevi-ramulosus, ceterum simplex; folia brevia, rigida, cal- 

 losa, linearia, stricta vel suprema, subincurvata, trigona, patentia, infima 

 c. i cm. longa et 1.5 mm. lata, superiora seursim decrescentia, uninervate, 

 nervo in facie inferiore folii distincto ; inflorescentia spicata, brevis, pauci- 

 flora ; bracteae (in planta sicca) atro-brunneae, late ovatae, convexae, extus 

 pilis longis vestitae, rigidae, acutissimae ; perigonium infundibuliforme, 

 extus dense sericeo-pilosum, profunde 5-fidum, lobis oblongo-ovatis, acutis, 

 intus supra stamina linea brevi pilosa instructum, ceterum glabrum, 

 tubo in parte superiore ampliato; stamina in ore tubi inserta, antheris 

 poro sessilibus. 



Central Patagonia, Chubut Territory, in the pre-andine district (leg. J. 

 Hogberg). 



About 8-15 cm. tall and with exception of the inflorescence, glabrous, 

 near the base shortly branched, upwards simple ; leaves short, rigid, cal- 



