General Key to the Families 39 



LXVI. CAPRIFOLIACE^E. HONEYSUCKLE FAMILY 



Shrubs, vines or rarely herbs; leaves opposite; flowers mostly 

 cymose and terminal, sometimes axillary, the calyx-tube adnate. to 

 the ovary, the corolla tubular or rotate ; fruit a berry, drupe or pod. 



TRIBE LONICERE^: 



I. LONICERA. L. 



1. L. glaucescens. Rydb. Smooth-leaved Honeysuckle. 



2. L. involucrata. (Richards.) Banks. Involucred 



Fly Honeysuckle. 



3. L. utahensis. Wats. Bush Fly Honeysuckle. 

 II. SYMPHORICARPUS. (Dill.) Ludwig. 



i. S. racemosus Michx. var. pauciflorus. Robbins. 

 Snowberry. 



III. LINN^A. (Gronov.) 



i. L. borealis L. var. americana. (Forbes.) Rehder. 

 Northern Twin Flower. 



TRIBE SAMBUCE.E 



IV. VIBURNUM. (Tourn.) L. 



i. V. pauciflorum. Raf. Arrow-wood. 

 V. SAMBUCUS. (Tourn.) L. 



1. S. racemosa. L. Red-berried Elder. 



2. S. melanocarpa. Gray. Black-berried Elder. 



LXVII. VALERIANACE^:. VALERIAN FAMILY 



Herbs with sometimes odorous and antispasmodic roots ; leaves 

 opposite, simple or divided, without stipules; flowers small, in 

 panicles or dichotomous cymes, corolla tubular or funnel-form, 

 often irregular, the lobes imbricated in the bud ; fruit membranace- 

 ous or corriaceous, indehiscent. 



I. VALERIAN A. (Tourn.) L. 



1. V. septentrionalis. Northern Heliotrope. 



2. V. sitchensis. Bong. Wild Heliotrope. 



3. V. Scouleri. Rydb. Canada Heliotrope. 



