116 CHENOPODIACEAE. 



4. ROUBIEVA Moq. 



A perennial herb, glandular-pubescent, strong scented, 

 prostrate and diffusely branched, with narrow small 

 short-petioled deeply pinnatifid leaves. Flowers small, 

 green, perfect or pistillate, solitary or in small axillary 

 clusters. Calyx urn-shaped, 3-5-toothed, in fruit be- 

 coming ovoid, strongly reticulated. Stamens 5. Styles 

 3, exserted. Wall of the pericarp thin, glandular. Em- 

 bryo a complete ring. 



1. R. multifida (L.) Moq. Prostrate or ascending, very leafy, 

 1-4 dm. long; leaves lanceolate to linear or linear-oblong, deeply 

 pinnatifid into linear-oblong, acute, entire or toothed lobes; flowers 

 1-6 in an axil, sessile, scarcely 1 mm. broad, some perfect, some pistil- 

 late; fruiting calyx 3-nerved and strongly reticulate-veined; utricle 

 compressed. 



Occasionally found in waste places. Pasadena; Compton. 



5. MONOLEPIS Schrad. 



Low branching annual herbs, with small narrow alter- 

 nate entire, toothed or lobed leaves and polygamous or 

 perfect flowers in small axillary clusters. Calyx of a 

 single persistent herbaceous sepal. Stamen 1. Styles 

 2, slender. Utricle flat, the pericarp adherent to the 

 vertical seed. Embryo nearly a complete ring. 



1. M. nuttalliana (R. & S.) Greene. Slightly mealy when 

 young, becoming glabrous or nearly so; stem 8-24 cm. high, with 

 many ascending branches; leaves lanceolate, short-petioled or the 

 upper sessile, 1-6 cm. long, narrowed at base, 3-lobed, the middle 

 lobe linear or linear-oblong, acute or acuminate, 2-4 times as long 

 as the ascending lateral ones; sepal oblanceolate or spatulate; utricle 

 minutely pitted, 1 mm. broad. 



Cienega, Davidson. 



6. ATRIPLEX L. 



Annual or perennial herbs or shrubby, often scurfy- 

 canescent or silvery, with alternate petioled or sessile 

 leaves, or some of them opposite. Flowers dioecious or 

 monoecious, small, green, in panicled spikes or in axil- 

 lary clusters. Staminate flowers bractless, consisting of 

 a 3-5-parted calyx and an equal number of stamens. 

 Pistillate flowers subtended by 2 or more united bract- 

 lets which enlarge in fruit, their margins entire or toothed, 

 often crested or winged. Calyx none. Stigmas 2. 

 Utricle completely or partially enclosed by the fruiting 

 bractlets. Embryo annular. 



