186 BOTAjrr. 



or acntish, attenuate or abruptly contracted at base, sparingly toothed, 

 mostly rather long petiolulate, glabrons, or, with the petioles, pubescent 

 when yonng; fruit 1' long, terete at base, widening into an oblong, obtuse 



Wing, calyx persistent.— Ash Meadows, Nevada, and also collected by Dr. 

 Bigelow on the Mexican Boundary Survey, at Devil's Run Canon, but not 

 mentioned in the report. A stem of twelve years' growth, 1£ inches in 

 diameter, has a smooth grayish brown bark."— Not having access to speci- 

 men. I have taken the above from Mr. Watson in Cat. PI. Wheeler, p. 15. 

 Species reduced by Dr. Gray in Syn. Fl. N. Am. p. 74, to a variety of the 

 following. — Plate XXII. 



Fkaxinus pistaclefolia, Tom, forma tomentosa.—Tomcntose, leaflets 

 5, almost sessile, lanceolate, irregularly serrate, tomentose, especially be- 

 neath ; samara 1' long, seminiferous portion terete, 1" in diameter, 6" long, 

 equalling the narrow, lanceolate wing. Very variable in shape and hairi- 

 ness of the leaves, so much so that, in describing it a second time in the 

 Botany of Whipple's Expedition, Dr. Torrey changed the name from F. 

 vduHna, as it appeared in Emory's report, to the present name— Ash Creek, 

 Arizona, at 5,000 feet altitude (302). Grows to be 20 feet high, with a 

 diameter of 1 8 inches. 



Forestiera* Neo-Mexicana, Gray, Proc. Amer. Acad, xii, 63.— 

 Thickish leaves, lanceolate to oblong-spatulate, acute or obtuse, usually 

 irregularly serrate ; (staminate flowers not seen,) pistillate flowers in fascicles 

 of from 4-7; immature drupe oval, blue and glaucous; young seed longi- 

 tudinally wrinkled. A much branching shrub, 8 feet high.— New Mexico 

 (108). 



APOCYNACE^E. 



Apocynum andros^mifolium, L. — Twin Lakes, Colorado (45). 

 Apocynum cannabinum, L — Deer Spring, Arizona (191). 



•FoRKSTlBRA, Foir.— Flowers dioecious or polygamous. Calyx, when present, small, unequally 5-G- 

 cleft. Corolla none, or rarely 2-3 petals. Stameus 2-4, with shortish filaments : anthers ovate* sub- 

 extrorsely dehiscing. Ovary 2-celled ; st\ le delicate, stigma thickened or 2-cleft ; ovules two in cither 

 c.ll. suspended from the apex of the c. II. Drupes ovoid or subglobose. Endocarp coriaceous or thiD. 

 Beede 1-2, pendulous; testa membranaceous; albumen fleshy; cotyledons flat, short radicle superior.— 

 Smooth or hairy shrubs. Leaves opposite, entire or serrulate, deciduous, often fascicled in the axils. 

 Mowers small, very like those of Frarnins, section 1'rasi nasi, , ; appearing before the leaves from the 



nodes of the branches, fasoiolcd or short racemose.— Bentham & Bookbr. 



