70 



PLANT MATERIAL INTRODUCED 



90784 to 90800. 



From Chosen, Japan. Seeds presented by 

 M. Tozawa, Director, Forest Experiment 

 Station, Keijo. Received December 27, 

 1930. 



90784. Abies nephrolbpis (Trautv.) 

 Maxim. Pinaceae. Fir. 



A Siberian conifer up to 100 feet b.igb, 

 resembling the Siberian fir, Abies sibirica, 

 but with a rough bark, pubescent branch- 

 lets, shorter leaves, and smaller cones. 



For previous introduction see 78298. 



90785. Acer pseudo-sieboldianum Koma- 

 rov. Aceraceae. Maple. 



A small tree, native to Manchuria, with 

 cordate leaves divided into 9 to 11 lanceo- 

 late, serrate lobes and corymbs of purple 



flowers. 



For previous introduction see 82471. 

 90786 to 90788. Alnus spp. Betulaceae. 



90786. Alnus japonica Sieb. and Zucc. 



Japanese alder. 



A handsome pyramidal tree up to 75 

 feet high, with dense dark-green ellip- 

 tic-lanceolate, sharply serrate leaves. 

 It is native to northeastern Asia. 



90787. Alnus hirsuta sibirica (Fisch.) 

 C. Schneid. 



A handsome tree, native to Siberia, 

 60 feet high, of broad-pyramidal habit 

 and vigorous growth, with broadly ovate 

 leaves about 5 inches long, which are 

 dark green above and glaucous beneath. 



For previous introduction see 82473. 



90788. Alnus hirsuta Turcz. 

 Variety glabra. A smooth form. 



90789. Cornus controversa Hemsl. Cor- 

 naceae. Giant dogwood. 



A tree, native to Japan, up to 60 feet 

 high, with a trunk 7 feet in girth. The 

 numerous long branches extend at right 

 angles to the trunk, with the lowest 

 branches sometimes touching the ground. 

 The white or slightly yellowish flowers 

 are in flat clusters 6 to 7 inches in diam- 

 eter, appearing from late May to early 

 June. 



For previous introduction see 75442. 



90790. Forstthia ovata Nakai. Olea- 

 ceae. 



A shrub about 6 feet high with spread- 

 ing branches, yellowish gray branchlets, 

 ovate serrate or nearly entire leaves 2 to 

 3 inches long, and amber-yellow flowers 

 1 inch long, which appear very early in 

 the spring. It is native to Chosen. 



For previous introduction see 62284. 



90791. F r a x i n u s mandshurica Rupr. 

 Oleaceae. Manchurian ash. 



A handsome ash, often 100 feet high, 

 native to Japan and the adjacent parts 

 of the Asiatic mainland. The leaves are 

 up to 15 inches long, with dull-green 

 bristly leaflets. The tree is said to be 

 susceptible to late spring frosts. 



For previous introduction see 82479. 



90792. Ilex oubia macropoda (Miquel) 

 Loes. Aquifoliaceae. Holly. 



A slender tree up to 30 feet high with 

 pubescent branchlets, coarsely serrate, 

 ovate to elliptic leaves 3 to 6 inches 



90784 to 90800 — Continued. 



long, and orange-red fruits one-third of 

 an inch in diameter. It is native to 

 Japan. 



90793. Pinus tabulaeformis Carr. (P. 

 leucosperma Maxim.). Pinaceae. 



Pine. 



A pine up to 75 feet high, with dark- 

 gray bark on the trunk, red on the 

 branches, and orange or grayish yellow 

 branchlets. The glaucescent leaves, usu- 

 ally two in a cluster, are stout and 3 to 6 

 inches long, and the ovoid cones, 2 to 4 

 inches long, are pale tawny yellow, 

 changing to dark brown and persisting 

 for several years. 



For previous introduction see 82484. 



90794. Prunus seoulensis Lev. Amyg- 

 dalaceae. 



Closely resembling the European bird 

 cherry (P. padas), this Asiatic species, 

 native to Chosen, has longer and more 

 numerous erect flower racemes, and in 

 fruit the peduncles become very long. 



90795. Quercus serrata Thunb. (Q. glan- 

 dulifera Blume). Fagaceae. Oak. 



A white oak up to 70 feet high, native 

 to Japan, Chosen, and China. The ob- 

 long-ovate leaves are lustrous bright 

 green and hold their color until late 

 in the autumn. It is usually shrubby 

 under cultivation. 



For previous introduction see 75688. 



90796. Ribes manshuricum (Maxim.) 

 Komarov. Grossulariaceae. Currant. 



A variety producing good-sized bunches 

 of red fruits which are large and of good 

 quality. 



For previous introduction see 71159. 



90797. Spiraea trichocarpa Nakai. Ro- 

 saceae. Spirea. 



A shrub 4 to 6 feet high with oblong 

 , to oblanceolate, nearly entire leaves 1 to 

 2 inches long, and pubescent umbellike 

 racemes of small white flowers, followed 

 by pubescent fruits. It is native to 

 Chosen. 



90798. Stewartia korhana Nakai. The- 

 aceae. 



A tree up to 45 feet high with broadly 

 elliptic, remotely serrulate leaves 3 to 5 

 inches long and large white solitary 

 flowers near the ends of the branches. 

 The flowers resemble those of Stewartia 

 pseudo-camellia, but are larger and flat- 

 ter, thus being more showy. It is na- 

 tive to Chosen. 



90799. Syringa velutina Komarov. Ole- 

 aceae. Lilac. 



A charming shrub with pale-pink de- 

 liciously fragrant flowers. In height it 

 ranges from 4 to 8 feet. It is native 

 to Chosen and is quite hardy. 



For previous introduction see 70893. 



90800. Ulmus parvifolia Jacq. Ulma- 

 ceae. Leatherleaf elm. 



Received as Ulmus sieboldii var. core- 

 ana. This is said to differ from the 

 typical U. parvifolia in being more de- 

 ciduous and in having a fissured bark 

 and larger fruits more than half an 

 inch across. It is native to Chosen. 



