Wet places in mts., mostly along streams and on talus slopes, in Trans-Pecos 

 Tex. (Brewster and Jeflf Davis cos.), N. M. (Lincoln and Otero cos.) and Ariz. 

 (Coconino to Graham, Cochise and Pima cos.), Apr.-Aug.; in mts. from w. Tex. 

 to Alta., Mont., Calif, and n. Mex. 



4. Sambucus mexicana Presl. Mexican elder, tapiro, sauco. Fig. 730. 



Trees or shrubs to 10 m. tall, usually much smaller, with the main trunks 

 furrowed and to 3 dm. in diameter, the smaller branches glabrous or white- 

 tomentulose; leaflets 3 or 5 or sometimes 7, subsessile to petiolulate, ovate to 

 ovate-lanceolate or oval, abruptly acuminate or sometimes cuspidate at apex, 

 rounded to cuneate at base, to 12 cm. long, coarsely or finely serrate except at 

 base and apex, firm, green on both surfaces, glabrous to densely tomentulose; 

 cyme essentially flat, to 15 cm. broad; flowers pale-yellow or creamy-white, 5-8 

 mm. broad; fruits 5-7 mm. in diameter, dark-blue or blackish, when fully ripe 

 covered with a dense white bloom. S. caerulea var. arizonica Sarg. and var. 

 mexicana (Presl) L. Benson, S. Rehderana Schwerin. 



Along streams and river banks in wet soils, and on slopes in the Tex. Trans- 

 Pecos, N. M. (Dona Ana and Grant cos.) and Ariz, (widespread), Mar.-July; 

 from Tex. to Calif, and Mex. 



3. Lonicera L. Honeysuckle 



About 200 species in the Northern Hemisphere, mainly in eastern Asia. The 

 introduced, weedy Japanese honeysuckle (L. japonica Thunb.), with all leaves 

 distinct, is often found in floodplain woods. 



1. Lonicera involucrata (Richards.) Banks. Bear-berry, honeysuckle, ink- 

 berry, PIGEON-BUSH, twin-berry. Fig. 731. 



Low shrub to 1 m. tall, freely suckering to form thickets; leaves 5-10 cm. 

 long, short-petioled, the blade ovate, more or less abruptly attenuate, pilose 

 beneath; peduncles 2-3 cm. long, borne in leaf axils and bearing at the summit 

 a conspicuous pair of connate (often purple) bracts which subtend the pair of 

 sessile flowers; corolla orange-yellow, 1-2 cm. long, tubular, the limb spreading, 

 its lobes subequal, the tube gibbous below; ovary of each flower in the pair 

 distinct; fruit fleshy, black; seeds several, flattened, irregularly ovate, bitter, 

 finely pitted, reputed to be poisonous. 



High montane stream banks and marshy meadows, seepage slopes and thickets, 

 in N.M. (San Juan, Taos, Rio Arriba, Socorro, Santa Fe, San Miguel and Sandoval 

 cos.) and Ariz. (Apache, Coconino, Greenlee, Graham and Cochise cos.), June- 

 Aug.; Que. to Alas., s. to Mich., Mex. and Calif. 



4. Symphoricarpos Boehm. Snow-berry 



About 20 species, all except one (in China) found in North America. 

 1. Symphoricarpos orbiculatus Moench. Coral-berry, indian-currant. 



Shrub erect, to about 2 m. tall; branches leafy, erect or ascending, slender, 

 light-brown to purplish, bark on the older branches gray and shreddy; young 

 twigs densely villosulous-tomentulose to puberulent; leaves opposite, with petioles 

 2-4 mm. long, oval to ovate or suborbicular, rounded to slightly cuneate at the 

 base, obtuse to acute at the apex, rarely to 6 cm. long, dull-green and glabrous 

 to sparsely pilosulous on the upper surface, somewhat glaucescent and soft- 

 pubescent on lower surface; flowers in short many-flowered densely crowded 

 axillary spikes on the branches of the season; corolla broadly campanulate, villous 

 within, pinkish, 3-4 mm. long, turned obliquely upward, slightly ventricose on 

 the lower side, the lobes about as long as the tube; anthers 1 mm. long, shorter 

 than the filaments; calyx teeth 5, triangular, ciliate, persistent on the fruit; style 

 2 mm. long, pilose; fruit a delicate coral-red varying to pink or sometimes purple- 



1560 



