38 General Key to the Families 



LXIII. OROBANCHACE^. BROOM-RABE FAMILY 



Herbs (root parasites) destitute of green foliage; flowers soli- 

 tary or spiked, corolla tubular, more or less two-lipped, the lower 

 three-lobed; fruit a capsule one-celled, two-valved, seeds numerous, 

 minute. 



I. Orobanche. (Tourn.) L. 



1. O. uniflora. L. One-Hozvercd Cancer-root. 



2. O. fasciculata. Nutt. Naked Cancer-root. 

 II. BoscHNiAKiA. Gray. 



I. B. strobilacea. Gray. Boschniakia. 



ORDER XXXI. PLANTAGINALES 

 LXIV. PLANTAGINACEiE. PLANTAIN FAMILY 



Chiefly stemless aquatic or terrestrial herbs; leaves radical, 

 spreading, ovate or linear, entire; flowers small, regular in bracted 

 spikes or heads, rarely solitary on scapes or scape-like peduncles; 

 fruit a pyxis or an indehiscent nutlet. 



I. Plantago. (Tourn.) L. 



1. P. major. L. Common Plantain. 



2. P. major var. asiatica. (L.) Dene. Asiatic Plan- 



tain. (Introduced.) 



ORDER XXXII. RUBIALES 

 LXV. RUBIACE^. MADDER FAMILY 



Herbs, shrubs or trees; leaves opposite, entire connected by in- 

 terposed stipules or in whorls without apparent stipules; flowers 

 perfect, regular, but often dimorphous; fruit dry or fleshy, sep- 

 arating into two carpels. 



I. Galium. L. 



1. G. boreale. L. Northern Bedstraw. 



2. G. triflorum. Michx. Siveet-scented Bedstraw. 



3. G. trifidum. L. Small Bedstraw. 



