934 
Primula spp. (Primulaceae . ) 41404, 41406, 4D408-41412, 
41416. Seeds of eight primroses from Bhutan, India. Col- 
lected by Mr. R. E. Cooper. Presented by Bees Limited, 
Liverpool, England, at the request of Mr. A. K. Bulley. 
Prunus sp. ( Amygdalaceae . ) 41455. Two plants of a 
plum from Tsao chou fu, Shantung, China. Collected by Mr. 
P. N. Meyer. "A flowering plum, much beloved by the Chi- 
nese for forcing purposes. Generally being trained in 
grotesque ; shapes and always grafted on Amygdalus davidiana, 
as the last one stands drouth, transplanting and neglect 
better than the plum's own roots. Chines-e name Mei." 
(Meyer. ) 
Tamarix sp. , (Tamaricaceae .) 41413 . Seeds from Bhutan, 
India. Collected by Mr. R. E. Cooper. Presented by Bees 
Limited, Liverpool, England, at the request of Mr. A. K. 
Bulley. "Scrubby plant with spike of heather colored 
flowers, growing on gravel by stream in bed of glacial 
valley at elevation. of 12,000 feet. Plant 6 inches to 1 
foot high, in masses with woolly fruits." (Cooper.) 
NOTES ON BEHAVIOUR OF PREVIOUS INTRODUCTIONS. 
Amygdalus davidiana, (No. 34515). At the Truckee-Car- 
son Experiment Farm, Fallon, Nevada, Mr. Fairchild found a 
tree 6 feet tall that had hardened its growth, whereas the 
mahaleb was still green. This tree has withstood alkali 
better than^any other stock at Fallon. 
A. davidiana (No. 36664) recently sent to Mr. N 4 M. 
Ross, Chief Of Tree Planting Division, Forestry Branch, 
Indian Head, Saskatchewan, Canada, is now 2\ feet high and 
in promising condition. In this connection it might be 
noted that A. davidiana has attracted the attention of the 
Oregon Nursery Company. The budders are very much pleased 
with the way In which it takes the bud. 'As this Company 
is budding from one million to a million and one-half 
plants each year, the discovery of a seedling stock which 
takes the bud unusually well is a very Important item. 
Blighia sapida. The Akee has fruited for several years 
at Miami. The tree in the laboratory grounds there bore a 
good crop of fruits in February of this year. These Feb- 
ruary fruits are not so highly colored as those fruiting 
later. The arillus, however, was of good quality and had 
a delicate flavor. It is good when eaten raw, or cooked 
like sweetbreads. 
Fraxinus sp. (No. 30414) from Khotan, Chinese Tur- 
kestan. When Mr. Fairchild visited the Forestry Branch at 
Indian Head, Canada, he found this Khotan ash frozen at 
