608 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



6. Houstonia wrightii A. Gray, Proc. Amer. Acad. 17: 202. 1882. 



Type locality: On the Liinpio, western Texas. 



Range: Western Texas to southern Arizona and adjacent Mexico. 



New Mexico: Ramah; Coolidge; Kingston; Burro Mountains; Mogollon Moun- 

 tains; Hanover Hills; Magdalena Moud tains; Pinos Altos. Transition Zone. 



5. OLDENLANDXA L. 



Low erect annual with diffusely branched stems and narrow opposite leaves; flowers 

 small, while, sessile in the forks of the branches and in the axils; calyx teeth triangular- . 

 subulate, about the length of the hypanthium; corolla 3 to 4 mm. long, salverform, the 

 tube slighlly surpassing the calyx lobes; capsules quadrangular-hemispheric, at first 

 somewhat turbinate; seeds moderately angled. 



1. Oldenlandia greenei A. Gray, Proc. Amer. Acad. 19: 77. 1883. 



Type locality: Pinos Altos Mountains, New Mexico. Type collected by E. L. 

 Greene in 1880 (no. 149). 



Range: Southern New Mexico and Arizona. 



We have seen no further specimens of this from New Mexico. 



135. CAPRIFOLIACEAE. Honeysuckle Family. 



Shrubs, trees, woody vines, or rarely low herbs, with opposite, exstipulate, often 

 perfoliate leaves and perfect flowers variously arranged in axillary pairs or in axillary 

 or terminal cymes; hypanthium adnate to the 2 to 5-celled ovary; calyx of 4 or 5 

 sepals; corolla rotate, tubular, or funnelform, sometimes bilabiate, the lobes 4 or 5, 

 imbricated; stamens 4 or 5, sometimes partly adnate to the corolla, alternate with its 

 lobes; ovary 2 to 5-celled, inferior; fruit a berry or drupe. 



KEY TO THE GENERA. 



Corolla rotate; styles deeply 3 to 5-cleft, short; inflores- 

 cence compound-cymose; fruit drupaceous; 



erect shrubs; leaves pinnate 1. Sambucus (p. 609.) 



Corolla tubular, campanulate, funnelform, or salver- 

 form, sometimes 2-lipped, never rotate; styles 

 slender, not divided; inflorescence simple, few- 

 flowered; fruit dry or berry-like; erect or pros- 

 trate shrubs or undershrubs; leaves simple. 

 Trailing evergreen plant; stamens 4, didynamous; 

 flowers in pahs, pedicellate and on long pe- 

 duncles 2. Linnaea (p. 610). 



Erect or vinelike shrubs with woody stems; sta- 

 mens mostly 5; flowers variously disposed. 

 Corolla regular, tubular-funnelform ; fruit 2- 



seeded 3. Symphoricarpos (p. 610). 



Corolla more or less bilabiate, broadly funnel- 

 form, or nearly regular; fruit few to 

 many-seeded. 

 Upper leaves connate-perfoliate ; flowers 

 mostly in terminal clusters, pseudo- 

 verticillate or crowded; corolla not 



saccate at the base 4. Lonicera (p. 611). 



Upper leaves not connate ; flowers axillary 

 in pairs, sessile on the end of the 

 common peduncle, subtended by 

 bracts; corolla conspicuously sac- 

 cate at the base. 



