64 PATAGONIAN EXPEDITIONS! BOTANY. 



Speg. var. glabriuscula Speg. (a synonym being T. repens L. var. magel- 

 lanicum Desv.). 



T. rhizomate repente, 4.5-9 cm.; ligula brevissima denticulata; foliis 

 planis v. convolutis, intus punctulato-scabris ; spica 3-6-pollicaris, virente, 

 spiculis erectis laxiusculis non adpressis, oblongo-ellipticis, compressis, 

 12-16 mm. longis, 3-4-floris; glumis subaequalibus oblongo-ellipticis 

 spiculam dimidiam aequantibus v. superantibus convexis, 4-6-nerviis, 

 muticis v. mucronatis inaequilateralibus apice eroso-denticulatis, extus 

 pubescenti-scabris ; palea inferiore 5-nervia, oblongo-elliptica, mutica v. 

 subaristata, saepius emarginulata, extus dense pubescenti-scabra. 



Hab. Fretum magellanicum, Patagonia maritima orientalis et occi- 

 dentalis australis, orae Fuegiae; Staaten Id., Falkland Ids. D. 



Macl., p. 246: 



A. MAGELLANICUM (Desv.) Hack. var. GLABRIVALVA Speg. 



Fuegia. 



Macl., p. 246: add to Agropyron fuegianum (Speg.), its var. submutica 

 Kurtz, in E. Fuegia. Alboff, Flor. de E. Fueg., p. 47. 



P. 247, delete A. pubiflorum Steud. being identical with A. magellan- 

 icum (Desv.) Hack. 



Macl., p. 248, insert in the table, 6 lines from foot of page, as follows: 

 d3- Culm 25 cm. Spikes 3-4 mm., easily breaking, purplish. Glumes 

 all setaceous, 15 mm. long, pubiflorum (wild barley). 



HORDEUM L. Macl., p. 248. 



Here Macloskie has introduced confusion as to species and varieties, 

 which Dusen endeavors to clarify by deleting : 



(1) H. chilense Brongn. as only a synonym. 



(2) H. pratense Huds. as a synonym and non-Patagonian. 



(3) H. chilense Desv. as a synonym and not of Desv., and by 



adding : 



H. SECALINUM Schreb. var. CHILENSE Gay Flor. Chil., VI, p. 458. 



(Brongn.) Desv. 

 Syn. H. chilense Brongn.; H. pratense Brongniartii Macl., p. 251 ; 



H. pratense chilense Macl. (non Desv.). 

 E. Fuegia ; Magellan ; S. Patagonia, Rio Sta. Cruz ; Central Patagonia ; 





