MACLOSKIE : COMPOSITE. 895 



scales not spinose, several-seriate, the outer green, lacerate, broader than 

 long, the inner narrowing. Flowers pink, all bilabiate, outer lip larger, 3- 

 toothed, inner much smaller, 2-parted. Achenes young, silky, strigose. 

 Pappus-setce numerous, yellow, scabrid, 15 mm. long. ("Involucre as in 

 Cirsium oleraceitm. ' ' ) 

 Patagon (M. & T.). 



9. PEREZ i A PATAGONICA Speg. 



(Homoianthus.} Cespitose-effuse, prostrate-ascending, 1-6 cm. high. 

 Leaves imbricate, linear, amplexicaul, thick, entire, revolute, white-mucro- 

 nate apically. Scapes erect, long, with 3-5 ovate-cordate leaves, margin- 

 ally uncinate-ciliolate. Head solitary, campanulate, outer involucral scales 

 like the leaves of the scape, recurved-denticulate ; inner scales lanceolate, 

 straight, acute, spinescent. Flowers blue. 



Patagon., by Golfo de San Jorge; on maritime dunes near mouth of 

 Rio Sta. Cruz. 



IO. P. PEDICULARL'EFOLIA LeSS. 



Rhizome thick. Stem simple, striate, 10 cm. high, pubescent upwards, 

 \-headed. Leaves crowded at base, few upwards, pinnatisect, segments 

 and teeth mucronate. Head nodding. Involucre turbinate-campanulate ; 

 its scales few-seriate, shorter than the flowers, acuminate. Corolla blue, 

 outer lips oblong-elliptical. Pappus yellow. Achenes yellow-villous. 



(Chili); Patagon.? 



ii. P. PILIFERA (Don. sub Clarioncea]. 



Stem short, 3-5 cm., \-headed. Leaves subradical, pinnatisect, glabrous, 

 rigid, the lobes lanceolate, undivided or 2-lobed, ending in a long seta, 

 petiole broad, bristly ciliate. Involucre cylindrical, its scales scarious- 

 margined, produced into a seta, the outer spreading. Flowers blue. 



(Chili); S. Patagon. ; Fuegia, passim ; heights above Ushuaia ; "chiefly 

 in the steppe-region and with Azorella glebaria." (Dusen.) 



12. P. PYGM^A (Cass. sub Triachne] Hook. f. 



Small, 5 cm. high, subwoody. Leaves sessile, imbricate, oval, acute, 

 coriaceous, at base toothed-ciliate, apically recurved. Heads terminal, 

 crowded ; invohicre-scales numerous, mucronate. 



Fuegia, on mountain-top, near Blossom Bay. 



