84: NYCTAGINACEAE 



3. FROELICHIA Moench. 



Annuals with perfect 3-bracted flowers in densely panicled spikes. 

 Calyx very woolly, tubular, 5- cleft, longitudinally crested. Stamens 5, 

 their filaments united. Utricle indehiscent. 



1. F. Floridana (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. decandra L. POKE BERRY. 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-celled, 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-lanceolate to linear-lanceolate. 



Stem glabrous below. 2. A. albida. 



Stem hairy below. 3. A. hirsuta. 



Leaves long-linear. 4. A. linearis. 



1. A. nyctaginea Michx. 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. Rarely adventized along railroad south of Little 

 Blue Tank. May-September. 



2. 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. 



