NYCTAGINACEAE 1 '-^-^ 



7. Amaranthus pumilus Raf. Coast Amaranth. (Man. p. 379; 

 I. F. y. 1408.) On sea beaches, R. I. to N. C. Pennsylvania: Phila- 

 DElyPHlA, chiefly on ballast. 



2. ACNIDA L. 



1. Acnida cannabina L. SalT-marsh Water-hemp. (Man. p. 380; 

 I, F.y". i4og.) In salt and brackish marshes and up the rivers to fresh 

 water, Mass. to Fla. — Pennsylvania: Philadelphia; Delaware; Bucks, 

 Riverton. 



3. CELOSIA L. 



1. Celosia argentea L- Common to all tropical regions, introduced 

 into temperate countries. — Pennsylvania : Montgomery, Norristown. 



Family 4. ILLECEBRACEAE Lindl. Knotwort Family. 

 1. ANYCHIA Michx. 

 Sepals ovate : utricle nearly as long as the calyx : foliage pubescent. 



1. A. dicholotna. 

 Sepals oblong : utricle surpassing the calyx : foliage glabrate. 



2. A. Canadensis. 



1. Anychia dichotoma Michx. Forked Chickweed. (Man. p. 405 ; 

 I. F. /. 1322.) In dry woods and open places, Me. to Minn., Fla., Ala. 

 and Ark. — Pc7tnsylvania : Montour, Harrison ; Northampton ; Berks ; 

 Montgomery; Lancaster; Franklin; Bedford; Allegheny. 



2. Anychia Canadensis (L. ) B. S. P. Slender Forked Chick- 

 weed. (Man. p. 405; I. ¥./. /J2j.) In dry woods, Ont. to Mass. and 

 Ga., Minn, and Ark. — Pennsylvania : Northampton ; Bucks ; Frank- 

 lin ; Lancaster; Allegheny. 



Family 5. PHYTOLACCACEAE Lindl. Pokeweed Family. 

 1. PHYTOLACCA L. 



1. Phytolacca decandra L. Poke. Scoke. Pigeon-berry. Gar- 

 get. (Man. p. 381 ; I. F.y. 14/3.) In various situations, Me. to Minu., 

 Fla. and Tex. Nat. in Eu. — Pennsylvania : Northampton ; Hunting- 

 don ; Erie; Franklin; Chester; Lancaster; Lackawanna; 

 Allegheny. 



Family 6. NYCTAGINACEAE Lindl. Four O'clock Family. 

 1. ALLIONIA Loefl. 

 Leaf-blades triangular-ovate, the lower ones cordate at the base. 



I. A. nvcfaffinea. 

 Leaf -blades linear. 2. A. albida. 



1. Allionia nyctaginea Michx. Heart-leaved Umbrella-wort. 

 (Man. p. 3S2; I. F. /. J416.) In dry soil, Minn, to the N. W. Terr, 

 Pa., La., Tex. andN.Mex. — Pennsylvania: Philadelphia; Wayne. 



2. Allionia albida Walt. PalE Umbrella-wort. (Man. p. 382; 

 I. F.y. 1417 ) In dry soil, S. C. and Georgia, and adventive northward. 

 — Pennsylvania : Bucks, Bristol. 



