56. ESCALLONIACEAE ^ 141 



39. Amphicarpa Ell. — Hog-peanut 

 1. Stem with closely rellexed hairs or giabrate; leaflets thin; inflores- 

 cence simple, 1- to 8-flo\verecl; pods pubescent on the margins; 

 woods, common. Aug.-Sept. [A. monoica (L.) Ell.; Falcata 



cotnosa sensu Britt., non Glycine coniosa L.] 



- A. bract eat a (L.) Fern. 



1. Stem brownish hirsute-villous; leaflets firm; inflorescence branched, 

 7- to 17-flowered; pods pubescent throughout; woods, common. 

 Aug.-Sept. [A. bracteata var. cotnosa (L.) Fern.; Falcata 

 pitched (T. & G.) Ktze.] A. comosa (L.) G.Don 



40. Galactia P.Br. — Milk Pea 



G. volubilis (L.) Britt. Dry soil, s. 111., extending northward to 

 Jackson and Gallatin coimties. July-Aug. [G. mississippiensis (Vail) 

 Rydb.]. 



55. Hydrangeaceae Dumort. — Hydrangea Family 

 1. Flowers all fertile, solitary', or in cymes or racemes; stamens 15-60 



1. Philadelphus 



1. Flowers in terminal corymbs, of 2 kinds, the marginal ones usually enlarged 



and sterile; stamens usually 10 2. Hydrangea 



1. Philadelphus L. — Mock-orange 

 1. Sepals glabrous outside. 



2. Flowers usually solitary or 2 or 3 together, scentless; sepals 5-7 

 mm long, about equalling the calyx-tube; twigs glabrous; 

 cultivated and occasionally escaped; native of s.e. U.S. May. 



Scentless Mock-orange P. inodorus L. 



2. Flowers in 5-7-flowered cymes, vei-y fragrant; sepals 12-15 mm 

 long, exceeding the calyx-tube; twigs pubescent; native of 

 Eur.; commonly cultivated and sometimes escaped. May- 

 June. Sweet Mock-orange P. coronarius L. 



1. Sepals pubescent outside; flowers scentless or slightly fragrant, in 

 5-7-flowered cymes; apparently indigenous on rocky blufTs of 

 Ohio R., near Golconda, Pope Co., E. J. Palmer. [P. verrucosus 

 Schrad.] P. pubescens Loisel. 



2. Hydrangea L. — Wild Hydrangea 



H. arborescens L. Ravines and wooded banks throughout III., 

 except the northern counties. 



56. Escalloniaceae Dumort. — Escallonia Family 

 [Iteaceae Agardh) 



1. Itea L. — Virginia Willow 

 /. virginica L. Swamps, rare, s. 111.; known from Alexander, John- 

 son, Pope, Pulaski, and Union counties. May-June. 



