MACLOSKIE: GRAMINE/E. 173 



9. S. LIGULARIS (Griseb.) Speg. (S. neesiana Trin. v. ligularis Gris.) 



Glumes long-lanceolate, twice as long as the flower, 3-nerved, violas- 

 cent. Flower subterete, pallid, minutely papillose. Crown cup-like, short, 

 with an oblique ciliolate pappus. Callus 3-4 times longer than the flower, 

 white-villous. Awn persistent, 8-9 times longer than the flower ; jointed 

 midway, and at the upper third. Ciilms 25-50 cm., much exceeding the 

 smooth, plane to subcon volute leaves ; nodes pubescent. Panicle rather 

 depauperate, lax, nutant. 



(Brazil ; Bolivia-Argentina) ; Patagon. 



10. S. MANICATA Desv. 1853. (S. latissimifolia O. Ktze.) 



Glumes elliptic-lanceolate, often twice as long as the flower, green hya- 

 line, to dark-violet. Flower obsoletely 4-5-gonal, villous at the angles. 

 Crown cylindric with short cilia. Callus just exceeding the diameter of the 

 flower, villous. Awn persisting, 7-10 times as long as the flower, jointed 

 below the upper third, and below the middle, subpubescent Culms 

 exceeding the flat, broad, scabrid leaves. Panicle mostly profuse, lax, 

 nutant. 



(Pampas of Montevideo ; Chili) ; N. Patagon., in meadows and rocky 

 regions. 



S. MANICATA MEDIA Speg. 



Culms 35-90 cm. Leaves usually plane, 4-7 mm. broad, glabrous or 

 hirtellous, dull green. Panicles dense, nutant ; glumes dark-purplish. 

 Flowers mediocre, tetragonal. 



Patagon., in mountains of Nahual-huapi. 



S. MANICATA TYPICA Speg. 



Culms 15-40 cm. Leaves mostly laxly involute, glabrous, 4-5 mm. 

 broad; they and the sheaths ciliate on margin, green to glaucescent. 

 Panicle large, erect or secund. Glumes greenish to smoky-purplish. 

 Flowers terete-subpentagonal. 



Patagon., near Teka-choique, and Carren-leofu. 



ii. S. NEyi Nees. 



Culm slender, with many nodes, pubescent, hairy below the joints, 

 simple, 15-30 cm. Leaves convolute-setaceous, glabrous, dorsally 

 smooth. Ligule pilose, lacerous. Panicle racemose, contracted, sub- 



