JAlsTUARY 1 TO MAECH 31, 1921. 17 



52369 to 52374— Continued. 



52369. LiNUM FLAVUM L. 



"A perennial branching plant native to Europe, 5 to 10 inches high, 

 with large j'ellow flowers." 



52370. LiNUM GBANDIFLOBUM Desf. 



Yaiiety rulynnn. Introduced for flax investigations. 

 For previous introductions, see S. P. I. No. 52359. 



52371. LiNUM MONOGYNUM Forst- f. 



A form introduced for experimental purposes. 

 For previous introduction, see S. P. I. No. 52364. 



52372. LiNUM PERENNK L. 



"Variety sibiricum. 



"An erect, branching compact plant, 6 to 12 inches high, with blue- 

 green leaves and purple flowers. Native to Europe." 



This species is much esteemed for rocli gardens. It flourishes in the 

 sun and flowers from June until the winter without requiring any care. 

 (Adapted from Correvon et Robert, Flore Alpine, p. 295.) 



52373. LiNUM TENUirOLIUM L. 



This plant differs from Linum alpinum in its shorter, more slender 

 stems, its longer, narrower leaves rough at the edges, and in its rose- 

 lilac fugacious coroUa. It grows on the warm sunny slopes of the 

 lower regions of the Alps and Jura Mountains. It is cultivated for rock 

 gardens, requires no care, and flowers from June to winter. (Adapted 

 from Correvon et Robert, Flore Alpine, p. 295.) 



52374. Linum usitatissimum L. 



Introduced for the Office of Cereal Investigations. 

 For previous introduction, see S. P. I. No. 52365. 



52375 and 52376. 



From Cambridge, England. Seeds presented by J. Burtt Davy. Received 

 February 2, 1921. 



52375. Annona cheeimola Mill. Annonacese. Cherimoya. 



" Seeds of a custard-apple from Madeira ; I do not know that it Is 

 better than any others, but it might be of use to anyone working on this 

 fruit." (Davy.) 



52376. ViKGiLiA CAPENsis (L.) Lam. Fabaceae. 



"A very ornamental strain of the keurhoom from South Africa, 

 which may prove useful in Hawaii and ornamental in Florida and 

 southern California as a flowering tree." (Davy.) 



For previous introduction, see S. P. I. No. 48188. 



52377. DiosPYROs ebenaster Ketz. Diospyraceae. Black sapote. 



From Honolulu, Hawaii, Seeds presented by Gerrit P. Wilder. Received 

 February 4, 1921. 

 One of the most popular fruits of Mexico, where it is grown at altitudes up 

 to 6,000 feet. In favorable situations the tree reaches a height of 60 feet. The 

 bright-green, shining elliptic leaves are 4 to 8 inches long. The oblate, olive- 

 green thin-skinned fruit is 2 to 5 inches in diameter. The soft, unctuous, dark 

 chocolate-brown pulp is of sweet flavor somewhat similar to that of the kaki, but 



