Pachistima. CELASTRACE^. 397 



E. Obovatus, Nutt. About a foot high, with prostrate rooting stems and erect nearly 

 simple shoots : leaves mostly obovate, cuueate, usually very ul>tuse ; the petioles often 2 

 lines long : peduncles mostly 2-3-howered ; flowers expanding about 3 lines : petals approx- 

 imated : fruit less tuberculate: otherwise resembling the preceding. — Gen. i. 155; Don 

 Syst. ii. 5; Zabel, Gartenfl. xxxviii. 638; Gard. & For. ix. 384, f. 51. E. Americanus, 5, 

 Torr. & Gray, Fl. i. 258. E. Americanus, var. obovatus, Torr. & Gray ace. to Grav, Gen. 111. 

 ii. 188, t. 171 ; Trelease, 1. c. 353. — Canada, in the region of the Great Lakes,'to Illinois 

 and Kentucky. 



* * Fruit not tuberculate : ovules 2 in each cell. 



-t- Flowers 4-merous : ovules ascending, with introrse rhaphe : fruit deeply lobed : winter 

 buds small, as in the last : Atlantic species. 



E. atropurpureus, Jacq. (Burning Bush, Wahoo.) At length becoming a small tree : 

 leaves elliptical or somewhat ovate, acute at base, acuminate, minutely serrulate or biserru- 

 late, mostly puberulent beneath, 2 to 4 inches long, on slightly margined petioles 3 to 9 lines 

 long : peduncles 1 to 2 inches long, twice or thrice dichotomous, usually 7-15-flowered : petals 

 obovate, brown-purple, with pale margin: style very short. — Hort. Vind. ii. 55, t. 120; 

 Pursh, Fl. i. 168; Dou, Syst. ii. 5; Loud. Arb. ii. 499, f. 167; Torr. & Gray, Fl. i. 257; 

 Baill. Bull. Soc. Bot. Fr. v. 314, & Hist. PI. vi. 2; Millspaugh, Med. PI. i. t. 42; Trelease, 



1. c. 353; Sargent, Silv. ii. 11, t. 53 ; Dippel, 1. c. 490, f. 235. E. Carolinensis, Marsh. Arb. 

 43. — New York to the Yellowstone, south to Northern Texas; also in Florida, Rugel. 

 Unassigned names, perhaps pertaining to this species, are E. acuminatus, E. cuneatiis, and 

 E. heterophyllus, Raf. New Fl. Am. iii. 59. 



E. EuROP.KUs, L. (Spindle Tree.) Leaves rather small, more finely serrulate to nearly 

 entire, glabrous : peduncles shorter : flowers and fruits fewer and more clustered : petals 

 greenish white : ovary conically prolonged into an evident style : otherwise like the last. — 

 Spec. i. 197 ; Reicheuh. Ic. Fl. Germ. vi. t. 309, f. 5134; Ett. & Pok. Physiotypia PI. Austr. 

 V. t. 463; Britt. Sterns & Poggenb. Prelim. Cat. N. Y. 11; Trelease, 1. c. 353. — Persi.steut 

 in old gardens about eastern cities. (lutrod. from Eu.) 



-1— -4— Flowers 5-merons, purple : ovules descending, with extrorse rhaphe : fruit not deejjly 

 lobed : winter buds large (2 to 5 lines long) : glabrous species of the Pacific coast. 



E. OCCidentalis, Nutt. A large shrub : winter buds 2 to 3 lines long : twigs whitened : 

 leaves ovate or elliptical to lanceolate, subcordate to mostly acute at base, acute or acumi- 

 nate, irregularly serrulate or biserrulate, 1^ to 3 inches long, on petioles 2 to 4 lines long: 

 peduncles an inch long, 1-3-flowered. — Nutt. in Torr. Pac. R. Rep. iv. 74; Trelease, 1. c. 

 354. E. atropurpureus, var. fi ? Torr. & Gray, Fl. i. 258. — Oregon to Southern California, 

 and Carson City, Nevada, Anderson. 



E. Parishii, Trelease, 1. c. Weak but rather large shrub : winter buds 3 to 5 lines long : 

 leaves elliptic-ovate to obovate. gradually cuneate or abruptly contracted and cuneate at 

 base, obtuse or blunt-pointed, flnely cren.ate-serrulate : peduncles 2 inches long, 3-7-flowered : 

 flowers somewhat smaller than in the last, to which the species is closely related. — San 

 Jacinto Mountain, California, Parish. 



2. PACHlSTIMA, Raf. (Name said to be from -rraxv?, tbick, and a-Tiy/xa, 

 stigma, from the slightly enlarged stigma.) — Low shrubs with squarish minutely 

 verrucose twigs, opposite crenulate or serrulate coriaceous 1 -nerved rather small 

 evergreen leaves with minute stipules, and few-flowered axillary cj'mes shorter 

 than the leaves. Am. Monthly Mag. ii. 176. Pachystima, Benth. & Hook. Gen. 

 i. 361 ; Baill. 1. c. 30 ; Trelease, Trans. St. Louis Acad. v. 352, 354 ; Losener 

 in Engl. & Prantl, Nat. Pflanzenf. iii. Ab. 5, 211. Oreophila, Nutt. in Torr. & 

 Gray, Fl. i. 258. — Confined to the mountains of the United States and Mexico. 



P. Myrsinites, Raf. A foot or two high, spreading: leaves often on the same plant from 

 broadly elliptical to oblong-ovate or subspatulate, .slightly revolute, nearly entire or crenulate 

 to sharply serrulate above, obtuse, 6 to exceptionally 20 lines long, the base rounded or 



