84 NYCTAGINACEAE 



3. FROELICHIA Moench. 

 Annuals ■with perfect S-braoted flowers in densely panicled spikes. 

 Calyx very woolly, tubular, Scleft, longitudinally crested. Stamens 5, 

 their filaments united. Utricle indehisoent. 



1. P. Ploridana ( Nutt. ) Moq. Woolly Pigweed. Erect, l°-5° high : 

 leaves oblong-lanceolate, silky pubescent beneath : flowers very white- 

 woolly. — Adventized along railroad near Courtney. Uncommon. July- 

 September. 



Family 40. PHYTOLACCACEAE Lindl. 



Herbs with alternate entire leaves and perfect flowers. Sepals 5. Sta- 

 mens 5 or more. Ovary superior, several-celled, with one ovule in each 

 cell. . Styles as many as the cells. 



1. PHYTOLACCA L. 



Flowers in terminal bracteolate racemes. Ovary composed of 5-15 

 somewhat united carpels, in fruit forming a berry. 



1. P. decandre L. Poke Bkkey. 3°-12° high, glabrous : leaves ob- 

 long-lanceolate, large : stamens 10 : calyx white. — A common weed in 

 low grounds, waste places, etc. June-October. 



Family 41. NYCTAGINACEAE Lindl. 

 Herbs with opposite entire leaves and regular flowers in terminal or 

 axillary clusters, subtended by a calyx-like involucre. Calyx inferior, 

 petal-like, tubular or funnelform, 4-5-lobed. Stamens hypogynous. 

 Ovary 1-celIed, 1-ovuled, enclosed by persistent base of calyx. 



1. ALLIONIA Loefl. Umbrella- WORT. 

 Involucres axillary or in large terminal panicles, 4-5-lobed, 3-5- flowered. 

 Stamens three. Fruit strongly ribbed . 



Leaves broadly ovate. 1. A . nyctaginea. 



Leaves oblong-lanoeolate to linear-lanceolate. 



Stem glabrous below. • 2. A. albida. 



Stem hairy below. 3. A. hirsuta. 



Leaves long-linear. 4. A. linearis. 



1. A. nyctaginea Miohx. l°-4° high, stem much branched : leaves 

 petioled, ovate, cordate or rounded at base. — Common in rocky woods and 

 along railroads. May- September. 



Var. ovata (Pursh) Morong. Leaves oblong-ovate, tapering to the 

 base, not at all cordate. — i?arely adventized along railroad south of Little 

 Blue Tank. May-September. 



21 A. albida Walt. l°-5° high, not bushy-branched, whitish and gla- 

 brous below : inflorescence viscid-pubescent : leaves oblong,-lanceolate to 

 linear-lanceolate, nearly sessile : flowers sometimes all axillary. — Fre- 

 quent in barrens throughout. May-September. 



