CATALOGUE OF PLANTS. 139 



P. Patagonica, Jacq., var. aristata (Mx.), Gray. 



Rare. Field, Southwest Harbor (Annie S. Downs) ; Bar 

 Harbor (W. H. Manning). Adventive from the West. 



DIVISION III. APETAKZE. 



AMARANTACE^E. AMARANTH FAMILY. 



AMARANTHS, L. AMARANTH. 



A. RETROFLEXUS, L. AMARANTH PlGWEED. 



Eoadsides and cultivated grounds ; becoming frequent. Bar 

 Harbor ; Southwest Harbor ; Somesville ; Long Pond, etc. 

 (Band) ; Seal Harbor, etc. (Redfield). Adventive from Trop- 

 ical America. 



A. albus, L. TUMBLEWEED. 



Cultivated grounds; becoming frequent. Southwest Harbor; 

 Long Pond ; Seal Harbor, etc. (Rand) ; field on Northeast 

 Creek (M. L. Fernald) . Adventive from the South and West. 



CHENOPODIACE^E. GOOSEFOOT FAMILY. 

 SPINACIA, L. SPINACH. 



Dioecious; flowers axillary, glomerate. Staminate flowers in 

 racemose-paniculate clusters, calyx 4-5-parted, the lobes equal. 

 Calyx of pistillate flowers ventricose-tubular, 2-3-toothed; ovary 

 ovoid, styles 4, elongated, filiform, achene included in the tur- 

 gid indurated calyx, which is often 2-3-horned on the back; 

 seed vertical and compressed; embryo annular, surrounding the 

 farinaceous albumen. Darlington, Am. Weeds and Useful 

 Plants (Rev. ed.), 274. 



S. GLABRA, Mill. 



Herbaceous, glabrous throughout; leaves sagittate, sometimes 

 oblong-ovate, entire, acute, slender-petioled ; flowers green ; 

 fruiting calyx solitary, rounded, without prickles, toothed at 



