362 PATAGONIAN EXPEDITIONS I BOTANY. 



Stamens 5 ; filaments thick. Style short, stigmas 3. Utricle compressed. 

 Seed lenticular, erect ; endosperm abundant ; embryo annular. 

 A South American herb, near Blitum. 



ROUBIEVA MULTIFIDA Moq. (Fig. in Brit. & Br. i, p. 576.) 



Leaves pinnatifid, the segments lanceolate or linear, nerves prominent 

 beneath. Penetrating scent. 



Brazil to N. Patagon., near Carmen. 



5. MONOLEPIS Schrad. 



Branching annuals, with alternate, entire or lobed leaves, and minute, 

 bractless flowers, in small axillary clusters, or solitary. Flowers with 

 usually only i sepal, persisting by the flat utricle. Stamen i. Styles 2. 

 Pericarp adhering to seed. Embryo annular. 



Species 3, N. E. Asia, and N. W. Amer., one passing to S. Amer. 



M. CHENOPODIOIDES Moq. (M. uuttalliana R. & S. in 



Brit. & Br. i, 577.) 



Stem 30 cm. Leaves trifid, hastate, acuminate, smaller upwards. 

 Glomerules leafy. Seeds granulate. 



(N. W. Can., to Calif, and southwards.) Patagon., by mouth of Rio 

 Chubut (Dusen) ; by Carmen de Patagones ; by Rio Deseado. 



The Patagonian specimens are mostly small, glabrous, dull-green. 

 (Speg.) 



6. ATRIPLEX Linn. 



Herbs or shrubs, with small, green, dioecious or monoecious flowers in 

 axillary glomerules or panicled spikes. Male flowers bractless, calyx 

 3~5-parted, stamens as many. Female flowers without calyx, but with 2 

 bracts, which enlarge in fruit and partially unite. Ovary ovoid to glo- 

 bose ; stigmas 2. Embryo annular. 



Species 120, chiefly subtrop. and temperate. 



KEY TO THE SPECIES. 

 A. Leaves more or less oblong. 



b. Leaves minute, sessile, mealy underneath, acutish. Prostrate, much branching. 



montevidensis. 

 b2. Leaves subpetiolate, lepidote, obtuse. Erect, branching. lampa. 



