MACLOSKIE I RORRAGINACE/E. 679 



4. ERITRICHIUM PARVULUM Phil. 



Annual. Stems simple or sparsely branched, erect, filiform, setose as 

 are the leaves. Cauline setce spreading. Raceme few-flowered, at first 

 capituliform, afterwards elongate. Calyx 5 mm. long, rough, with long 

 yellow setae; its teeth filiform. Corolla minute. Achenes elongate, 

 greenish, warty-granulate. 



(Atacama in Chili) ; S. Patagon., by Rio Sta. Cruz. 

 5. E. ULIGINOSUM Phil, (by O. Ktze. sub Cynoglossospermnm}. 



Low, with fibrous root. Damp or aquatic forms. 



Patagon. 



5. PLAGIOBOTRYS Fisch. & Mey. (Echidiocarya A. Gr.) 

 Low, annual herbs often white-hairy ; sometimes with a rosette of basal 

 leaves. Calyx mostly accrescent. Achenes ovoid, with lateral ridge, and 

 evenly rounded exterior, transversely rugulose ; the areole orbicular on a 

 convex or subglobose gynobase, or sometimes concave. 

 Species 15, on the Pacific coast o America. 



P. PROCUMBENS (DC.) A. Gray. 



Low, small, multicauline, and subcespitose. Root simple. Stems his- 

 pid, procumbent or ascending. Leaves linear, short, obtuse, opposite 

 below. Flowers sparse, or laxly spicate. 



(Chili); Patagon., by Golfo de San Jorge; in Salinas near Rio Sta. 

 Cruz 



6. AMSINCKIA Lehm. 



Prostrate annuals, mostly hairy, with few-flowered cymes and alternate 

 leaves. Calyx-lobes linear. Corolla tubular-funnelform, without scales in 

 the throat. Stamens and capitate stigma included. Achenes rather smooth. 



Species 8, on Pacific coast of N. and S. Amer. 



A. ANGUSTIFOLIA Lehm. 



Ntdlets rugose, dorsally convex, not distinctly angled. Stem strict, 

 simply or sparsely branched. Leaves long, linear-lanceolate; throat of 

 corolla glabrous, naked, its limb half as long as its tube; stamens in- 

 serted in the throat. 



(Chili) ; Patagon. at Puerto Madryn ; in sandy plains near Rivers Des- 

 eado and Sta. Cruz ; W. Patagon. ; N. and E. Fuegia, usually in inhab- 

 ited places (Dusen). 



