f 



672 PATAGONIAN EXPEDITIONS I BOTANY. 



6. GlLIA POLYCLADON ToiT. 



Low, branching from the base. Stems sparsely hairy, diffuse, very few- 

 leaved. Leaves pinnatifid or incised; lobes short, oblong, spinulose- 

 mucronulate, those subtending the cyme exceeding the flowers. Flowers 

 cymulose-glomerate, or at length lax, leafy bracted, white with a rose 

 tinge. Corolla-tube scarcely exceeding the awned-mucronate calyx-lobes. 

 Anthers in the throat on very short filaments. Cells 2-seeded. 



S. Patagon., by Hatcher, on pampas, near Coy Inlet. 



7. G. PUMILA Nutt. 



Annual. Branched at base ; woolly at least when young, 7-20 cm. 

 high. Leaves alternate, pinnately divided, their segments linear mucron- 

 ulate or lobed. Cymes sessile. Corolla-tube thrice as long as its lobes, 

 twice as long as the calyx. Calyx-lobes awn-like. Seeds 5-6 in each 

 cell. 



(Texas to Nebraska); S. Patagon., by Coy Inlet, Hatcher. (Verified in 

 Gray Herb.) 



4. POLEMONIUM Linn. 



Mostly perennial, with alternate, often pinnate leaves, and large flowers 

 often panicled. Calyx accrescent in fruit. Corolla mostly tubular-cam- 

 panulate. Stamens equally inserted near its base and declined. Cap- 

 stile ovoid. Seeds mucilaginous, with spirals. 



Species 15, in cool regions of the northern hemisphere; also the fol- 

 lowing : 



P. MICRANTHUM Benth. (P. antarcticum Griseb.) 



Annual. Dwarf, diffuse, glandular-hairy. Leaves pinnatisect, the 

 segments minute, ovate, subrotund to spatulate. Flowers remote, ped- 

 iceled. Calyx 5-parted, lax, its segments ovate, obtuse, slightly ex- 

 ceeding the white corolla. Corolla-lobes broad, obovate, 3-lobed. Fila- 

 ments glabrous, inserted at middle of the corolla-tube. Cells of ovary 

 2-ovuled ; seeds ovoid, not winged. 



"When crushed by the fingers this plant emits a musky fragrance." 

 (Speg.) 



(N. Amer.); S. Patagon., by Hatcher, near Coy Inlet, not yet in flower, 

 Oct. 16; by Peterson in same place, in flower, Nov. 13; by Dusen at 

 Rio Sta. Cruz, and in Brunswick Penins., W. Magellan. "The distinc- 



