APRIL 1 TO JUNE 30, 1915. 43 



40542 to 40548— Continued. 



40544. Chbtsanthemtjm cokymbosum L. Chrysanthemum. 

 "Robust perennial, 1 to 4 feet, stem branched at the apex; leaves 



sometimes 6 inches long. 3 inches wide, widest at the middle and taper- 

 ing both ways, cut to the very midrib, the segments alternating along 

 the midrib. Flowers borne in dense flat-topped clusters; rays white." 

 (Bailey, Standard Cyclopedia of Horticulture, vol. 2, p. 755.) 



Distribution. — An herbaceous perennial found in the meadows among 

 mountains in southern Europe, western Asia, and northern Africa. 



40545. Chrysanthemum praealtum Vent. 



"The Caucasian form of C. parthenium, distinguished by more deeply 

 cut leaves, longer peduncled heads, and rays longer than the disk rather 

 than equaling it." (Bailey, standard Cyclopedia of Horticulture, vol. 2, 

 p. 756.) 



40546. Chrysanthemum segetum L. Corn marigold. 

 "Annual, 1 to 1$ feet; leaves sparse, clasping, oblong to oblanceolate, 



variable, the lower petioled and the upper clasping, incisions coarse or 

 fine, deep or shallow, but usually only coarsely serrate, with few and 

 distant teeth, the lower ones less cut ; bracts of involucre broad, obtuse : 

 rays obovate and emarginate. golden yellow." (Bailey. Standard Cyclo- 

 pedia of Horticulture, vol. 2, p. 754-) 



Distribution, — An herbaceous perennial found in fields in northwestern 

 Europe. 



40547. Chrysanthemum serotinum L. 



45048. Chrysanthemum viscosum Desf. 



"Annual ; disk orange yellow, rays sulphur yellow. Mediterranean 

 region." (Bailey, Standard Cyclopedia of Horticulture, vol. 2. p. 758.) 



40549. Oryza sativa L. Poaoea\ Rice. 

 From Constantinople, Turkey. Presented by Mr. G. Bie Ravndal, American 



Consul-General. Received April 17, 1915. 

 " Broussa rice." 



See S. P. I. No. 39545 for previous introduction and description. 



40550. Chaetospermum glutixosum (Blanco) Swingle. Rutacese. 



Tabog. 



From Manila. Philippine Islands. Presented by -Mr. William S. Lyon. 

 Received April 17, 1915. 



"Since reading Mr. Swingle's monograph on Citropsis, I am prompted to ask 

 if you know whether he has successfully worked any standard varieties of the 

 orange on Chaetospermum glutinosum and if any te-ts have yet been made in 

 growing under arid conditions. I think, but am not quite certain, that I wrote 

 that this species occurs on well-drained gravelly hillsides where subjected to 

 70 inches of rain, practically all of which falls in 5 months. 2 to 1 in.-i 

 being scattered over the remaining seven months in a few inconsequential 

 showers. Even in the few years when the rainfall in the dry season exceeds 

 this amount, it is. at best, absolutely a negligible quantity, for the reason that 

 the prevailing hot. dry winds and unclouded sun will remove every appreciable 

 trace of moisture from the soil a few hours after a fall of a quarter to n half 

 inch. On the other hand. I lost a row of about two dozen 3-year-old seedling 

 tobug growing in undrained land which was nearly Inn not quite inundated 



