196 Karl M. WieGand and Arthur J. Eames 



3. Salicornia (Tourn.) L. 



1. S. EUROPAEA L. GLASSWORT. SAMPHIRE. 



Wet brackish soil ; rare. Aug.-Oct. 



Borders of a salty pool near the Ithaca Salt Works (along railway w. of Willow 

 Ave.). The plant was found in great quantity in 1913, 1917, 1921. 1923, and 1925. 

 Along with Jancus compressus, it suddenly appeared after the salt works were estab- 

 lished. How the seeds reached this point, unless they were introduced with coastal 

 sand used in a neighboring glass factory, is a question. This explanation seems 

 reasonable, but the glass factory was abandoned several years before the salt works 

 were established. 



Salt marshes along the coast, N. B. to Ga. and Alaska to B. C. ; also inland in 

 N. B. and N. Y. Elsewhere the species occurs in Eurasia, Africa, W. I., and E. I. 



4. Salsola L. 

 1. S. Kali L., var. tenuifolia Meyer. Russian* Thistle. 



A weed of waste places, in gravelly, chiefly limy or salty, soils ; becoming occasional. 

 Aug.-Oct. 



Near the Home Economics and Poultry Buildings, Agricultural College campus, 

 formerly; Six Mile Creek; perhaps elsewhere. 



Native of Asia. Naturalized and abundant as a weed in the n. w. U. S., and 

 sparingly naturalized eastw. 



41. AMARANTHACEAE (Amaranth Family) 



a. Flowers monoecious or polygamous ; both kinds of flowers with 3 or 5 sepals. 



1. Amaranthus 

 a. Flowers dioecious; pistillate flowers naked; sepals of the staminate flowers 5, 

 conspicuous, oblong, mucronate, longer than the bracts ; spikes slender. 



[Acnida] 

 1. Amaranthus (Tourn.) L. 



a. Flowers in dense contracted panicles terminating the branches ; stamens and sepals 

 5 ; plant erect, rather tall ; leaves large, ovate-lanceolate, 3-15 cm. long. 

 b. Branches of the panicle 8-20 mm. wide, stout ; main bracts 4-6 mm. long ; sepals 

 of the pistillate flowers obtuse and often emarginate, frequently mucronate, 

 appressed. 1. A. retroflexns 



b. Branches of the panicle about 5 mm. wide above the middle, slender ; main 

 bracts 2-3.5 mm. long or less ; sepals of the pistillate flowers acute, mucronate, 

 looser. 2. A. hybrid us 



a. Flowers in axillary clusters; stamens 2-3; sepals 1-5; plant low, diffuse or 

 prostrate; leaves small, spatulate, 1-7 cm. long. 

 b. Leaves with rigid stipular spines. [A. spbtosus] 



b. Leaves without stipular spines. 



c. Sepals 3-5; seed 1.5 mm. wide; utricle smooth; plant prostrate; upper leaves 



scarcely reduced. 3. A. blitoides 



c. Sepals 1-3 ; seed 0.6-0.8 mm. wide ; utricle rugose ; plant erect, low, diffusely 

 branched ; leaves toward the ends of the branches much reduced ; bracts 

 more prominent and more pungently pointed. 4, A. graecizans 



1. A. retroflexus L. Green* Amaranth. Amaranth Pigweed. 



A weed of cultivated fields and waste places, in various rich soils if not too heavy ; 

 very common. July 20-Sept. 



Widely distributed in N. A. except in the Far North. Naturalized from tropical 

 Am. 



