unknown. Fruit described as linear-oblong, nearly two inches long, acute, blunt or obliquely truncate.
This ash grows along the banks of rivers in Turkestan and Songaria, occurring in the Ili region at 1000 to 2500 feet elevation. It was introduced into cultivation by the Botanic Garden at St. Petersburg; and small trees are doing fairly well at Kew.
Fraxinus Regelii, Dippel,’ of which I have seen no authenticated specimen, is said to be also a native of Turkestan, and was considered by Koehne’? to be probably identical with F. potamophila, Herder. There are young plants in the Kew collec- tion, raised from seed sent in 1900 by M. Scharrer, Director of the Botanic Garden at Tiflis, and named F. Regelii on his authority, which are remarkably distinct from any ash known to me, and differ from Dippel’s description of F. Regelii in the larger size of the leaflets, which are crenate and not dentate in serration. The Tiflis plants have the young branchlets glabrous, purplish; leaflets (Plate 265, Fig. 25), five or seven, about 3 inches long, stalked, the base of the leaflet often decurrent on one side of the petiolule to its insertion; terminal leaflet obovate or rhomboid; lateral leaflets ovate or oval; all shortly acuminate or cuspidate at the apex, unequal at the base, crenately serrate; bluish green and glabrous on the upper surface; pale green and slightly pubescent on the sides of the base of the midrib on the lower surface ; rachis elongated, terete, glabrous, with a shallow groove on its upper side.
The identification of these plants with F. Regelii must be left uncertain. (A.H.)
FRAXINUS RAIBOCARPA
- Fraxinus raibocarpa, Regel, in Act, Hort. Petrop. viii. 685 (1884).
A small tree. Branchlets brown, minutely pubescent, glandular. Leaflets (Plate 266, Fig. 29), five, upper subsessile, lower stalked, about 1½ inch long, oval, unequal and rounded at the base, acute or obtuse at the apex, usually entire in margin without cilia; under surface glabrous, with a few minute brown glands. Leaf-rachis slightly glandular, with a wide open groove on its upper side. Fruit in leafy panicles, arising on the current year’s shoot; samara surrounded at the base by the persistent calyx, curved, falcate ; body terete and rayed; wing terminal, very broad, spathulate-obovate, obtuse.
This species, of which the flowers are unknown, belongs apparently to the section Ornus. It was discovered in 1882 by Regel at elevations of 6000 to 7000 feet in the mountain valleys of eastern Bokhara and Turkestan; and was introduced into cultivation shortly afterwards by the St. Petersburg Botanic Garden. Small plants at Kew have grown very slowly, and this species does not seem likely to be worth cultivating in this country. (A.H.)
1. Laubholzkunde, i, 97, fig. 53 (1889), described from plants sent out by the St. Petersburg Botanic Garden as F. sogdiana, an entirely different species, referred to on p. 883, note 1,
2 Deutsche Dendrologie, 515 (1893).
