212 CAPRIFOLIACEAE (HONEYSUCKLE FAMILY) 



CCC. Fruit hispid with straight hairs; leaves 8-16 mm. long; leaf margin not 

 ciliate; flowers yellowish green. E. G. multifloruni 



BB. Leaves i-veined from the base. 

 D. Annual; leaves 2-4 in a whorl, if 4 then 2 of them only ^f as long as the other 

 2; fruit minutely hispid with hooked bristles. U. C. E. 



G. bifolium (twin-leaved bedstraw) 

 DD. Perennial; leaves 4 in a whorl, all 4 about equal; fruit smooth. 

 E. Leaves fiat, linear or oblong or wider, not densely crowded; plant 3-12 dm. 

 high, diffuse or climbing. 

 F. Plant 7-12 dm. high; leaves obtuse, often mucronate. U G. nuttallii 



FF. Plant 3-6 dm. high; leaves acute, not mucronate. U. C. G. bolanderi 



EE. Leaves awl-shaped, angular, densely crowded; plant 0.5-2.5 cm. high, de- 

 pressed, caespitose. U. G. andrewsii 

 AA. Leaves 4-6 in y*. whorl but never all in 4's, i-veined from the base; peren- 

 nial. 



G. Leaves acute to rounded, 4-6 in a whorl; fruit smooth. 

 H. Flowers 1-3 on peduncles which are solitary in the leaf axils. W. C. E. 



G. trifidum (small bedstraw) 

 HH. Flowers in cymes, numerous'. W. G. cymosum 



GG. Leaves acuminate or cuspidate, 6 in a whorl; fruit minutely or plainly stifif- 

 hairy. ^ 



I. Fruit covered with hooked hairs; leaves 1-2.5 cm. long. W. C. E. 



G. trlforum (fragrant bedstraw) 



n. Fruit rough or minutely hairy but not with hooked hairs; leaves 2.5-5 cm. long. 



E. G. asperrimum 



AAA. Leaves 6-8 in a whorl but never all in 6's, i-veined from the base; fruit covered 



with hooked bristles; annual. 



J. Stems erect or ascending; fruit 2-3 mm. wide; leaves 1-2.5 cm. long. E. 



G. vaillantii 

 JJ. Stems reclining; fruit 4-6 mm. wide; leaves 2.5-7 cm. long. W. E. 



G. aparine (cleavers) 



CAPRIFOLIACEAE (Honeysuckle Family) 



Herbs or shrubs or trees, perennial, vining to erect. Leaves 

 opposite^ simple or pinnately odd-compound, pinnately or pal- 

 mately veined. Flowers perfect. Calyx entire or 5-toothed, 

 sometimes apparently none through complete adherence to the 

 ovary. Corolla rotate to tubular, 5-lobed, sometimes 2-lipped. 

 Stamens 4-5, on the corolla tube, alternate with the lobes. Ovary 

 inferior, i-6-celled. Fruit a berry or drupe or capsule. 



A. Leaves pinnately compound; tall shrubs or trees ; fruit berrylike, black or red 



or yellow, 3-s-seeded. SAMBUCUS (p. 213) 



AA. Leaves simple. 



B. Leaves palmately 3-5-veined; fruit drupelike, red or black, i-seeded; tall 



shrubs. VIBURNUM tp. 213) 



BB. Leaves pinnately veined; fruit dry or berrylike. 



C. Leaves coriaceous, evergreen, blade not over 2 cm. long; fruit dry, i~seeded; 



shrubby herb, prostrate, vinelike, creeping. \V. C. E. — (Honor of C. von 



Linnaeus the great Swedish botanist.) Linaaea americana (twin-flower) 



