JULY 1 TO SEPTEMBEE 30, 1915. 29 



40997 to 40999. Pruntts spp. Amygdalacese. 



From Jamaica Plain, Mass. Presented by Prof. C. S. Sargent, Arnold 

 Arboretum. Received August 9, 1915. 



40997. Prunus maximowiczii Rupr. Maximowicz's cherry. 

 "Collected July 24, 1915." 



"A tree about 25 feet bigh, with horizontal branches. 'Leaves obovate, 

 about 11 inches long, somewhat coarsely toothed, nearly glabrous; petioles 

 slender, about one-half inch long. Flowers white, on slender hairy 

 peduncles, one or two on each flowering shoot. Fruit crimson, the size of 

 small peas. Japan." (Kew Bulletin, New Garden Plants, 1903.) 



See S. P. I. No. 40189 for previous introduction and description. 



40998. Prunus serrulata sachalinensis (Schmidt) Makino. 

 (Prunus sargentii Rehder.) Sargent's cherry. 



" Seed. Arboretum, 1915." 



"A species which has been confused with [the Japanese flowering cherry 

 heretofore called] P. pseudo-cerasus, from which it differs by having all 

 its parts glabrous. It is nearest allied to P. serrulata, differing by having 

 sessile umbels and more coarsely toothed leaves. Japan." (Kew Bul- 

 letin, New (tunica Plants, 1909.) 



See S. P. I. Nos. 38761 and 40190 for previous introductions and de- 

 scription. 



40999. Prunus yedoensis Matsum. Flowering cherry. 



"Seed. Arboretum, July 12, 1915." 



"A rather large tree with smooth branches and gray bark; young leaves 

 pubescent along the veins; older leaves quite glabrous, broadly elliptic 

 or ovate to oblong; base acute, oblique, or subrotund. Flowers precocious, 

 rose-tinted fading to white, in 2 to 3 flowered corymbs. This tree differs 

 from P. pseudo-cerasus in its precocious flowers, iis pilose style, ami its 

 somewhat pubescent petioles and pedicels. Cultivated in gardens in 

 Tokyo. (Adapted from the original description. Tokyo Botanical Maga- 

 zine, vol. 15.) 



41000. Amygdalus davidiana (Carr.) B. S. and Z. Amygdalacese. 



(Prunus davidiana Franch.) Wild peach. 



From China. Collected by Mr. Frank N. Meyer. Agricultural Explorer for 



the Department of Agriculture. Received at the Plant Introduction 



Field Station, Chico, Cal., August 8, 1915. 



"(No. 2299a. Peking, China, May 1!). 1915.) Stones of (lie well-known 



davidiana peach; a valuable stock for various stone fruits. Purchased from a 



native collector who obtained them in the Western Hills, near Peking." 



(Meyer.) 



41001. Canariumamboinen.se Hochr. Balsameacese. 



From Buitenzorg, Java. Presented by the director, Botanic Garden. Re 

 ceived August 14, 1915. 

 "A burseraceous tree SO to !)() feel high, closely related to r. moluccana, hut 

 differing in the nearly smooth, oblong fruit, that of C. moluccana being very 

 rough ami very much more elongate. This tree branches about 25 feet from the 

 ground, trunk about 8 feet in circumference; possesses large arching prop roots 

 at the base; hark smooth and white; crown umbrella shaped." (Hochreiltiner, 

 Plantae Bogoriensis Exsiccatae, p. 55.) 



