APRIL 1 TO JU2TE 30, 1921. 23 



53031 to 53080— Continued. 



53040. Clematis gkaveolens Limll. Ranunculawse. Clematis. 



A rapid climber found from the Himalayan region to Persia, bearing 

 thin, pinnate, shiny leaves and cymes of yellow flowers, lA inches across, 

 tinted with green. 



For previous introduction, see S. P. I. No. 30765. 



53041. Clematis reticulata Walt. Ranunculacefe. Clematis. 



A slender climber native to the United States from South Carolina to 

 Alabama and Florida, which bears very coriaceous reticulated leaves and 

 solitary, axillary, nodding bell-shaped flowers. 



For previous introduction, see S. P. I. No. 11557. 



53042. Clematis vitalba L. Ranunculacefe. Clematis. 



The most vigorous climber of the genus, ascending to 30 feet. It is 

 native to Europe, northern Africa, and the Caucasus ; and bears axillary 

 panicles of dull-white flowers followed by fruits with long feathery 

 styles from which it is called " old man's beard." 



53043. Clematis viticella L. lianunculaceiB. Clematis. 



The type of one of the leading groups of garden clematis, and one of 

 the parents of the Jackmanii type of hybrids. It climbs to a height of 

 12 feet ; bears entire or 3-parted leaves and blue or purple flowers up to 

 2 inches in diameter growing singly or in threes. Native to southern 

 Europe. 



For previous introduction, see S. P. I. No. 49810. 



53044. Delphinium consolida L. Eanunculacere. Larkspur. 



An erect hairy European annual 1 to 1^ feet high, with blue or white 

 flowers in loose panicles. 



53045. DoLicHos lablab L. Fabacese. Bonavist bean. 



An annual ornamental tropical bean climbing to a height of 20 feet, 

 with long erect racemes of rather large purple or white flowers ; the pods 

 and seeds are eaten in the Tropics. 



53046. Elymus arenabius L. Poacese. Lyme-grass. 



A stout coarse perennial native to the temperate regions of both hemi- 

 spheres. It is used for binding coast sands. The seed is used by the 

 Digger Indians for food. 



Received as Elymus geniculatus, which is now referred to E. arenarius. 



For previous introduction, see S. P. I. No. 24473. 



53047. Elymus caput-medusae L. Poacete. Lyme-grass. 

 An erect annual introduced from Europe. 



53048. Elymus europaeus L. Poacese. Lyme-grass. 

 A tall European perennial with lax flat blades about half an inch wide 



and a narrow nodding bristly head 5 to 8 inches long. 



Received as Hordeum europaeum, which is now referred to Elymus 

 europaeus. 



53049. Elymus giganteus Vahl. Poacesje. Lyme-grass. 

 A grass native to Russia and Siberia. 



53050. Elymus hirsutiglumis Scribn. Poacese. Lyme-grass. 

 Southern wild rye, a grass with stout erect culms 3 to 5 feet high 



and ascending rough-hairy leaves 8 to 12 inches long. 



53051. Elymus siniRicus L. Poaceaj. Lyme-grass. 

 A tall grass with heavy overhanging heads found on fertile flats in 



higher mountain regions of Chihli Province, China. Of value possibly 

 for grazing. 

 For previous introduction, see S. P. I. No. 36794. 



