THE MARYLAND CYCADS. 457 



arrangement. The reproductive organs are more abundant and usually 

 very regular and definite in their character. 



This species now includes 27 specimens, the same number as C. 

 Fontaineana and only one less than C. marylandica, these three species 

 being by far the most abundant of all the Maryland Potomac cycads. 

 The number of specimens belonging to this species has been increased 

 by 9 since 1897, when it was first described. 



The following is the list of the specimens, with their numbers, 

 names, and weights: 



' Weight in 



kilograms. 



Johns Hopkins University cycad, No. 4 3.18 



Johns Hopkins University cycad, No. 6 -15 



Dawson cycad 3. .50 



W. C, B., No. 1426, the Harman trunk 3. 63 



W. C, B., No. 1427, the Polly Jones trunk ("growing stone") .58.62 



W. C, B., No. 1462, the Butler trunk '-^0.18 



W. C, B.,No. 1463, the Carr trunk 9-52 



W. C, B., No. 1464, the Welsh trunk 8. 55 



W. C.,B.,No. 1465, theTubbs trunk 28.58 



W. C, B., No. 1466, the All Saints trunk 1 17.24 



W. C.,B., No. 1468, the Weston trunk 28.81 



W. C, B., No. 1478, the Travers fragment (" petrified fish'') 6. 58 



W. C.,B., No. 1480, the Ring fragment 8. .35 



W. C.,B., No. 1482, the Smith trunk 10.55 



W. C.,B., No. 1483, the Smith fragment " 8.28 



W. C, B., No. 1484, the Linthicum fragment 11.23 



W. C, B., No. 1487, the Robinson trunk 4.99 



W. C, B., No. 3047, the Simmons fragment 2. 50 



W. C, B., No. 3054, the Snowden fragment 4. 99 



W. C.,B., No. .3348, the R. P. Disney fragment. No. 1 3.63 



W. C, B., No. 6351, theR. P. Disney fragment. No. 4 .37 



W. C, B., No. 6353, the Dorsey trunk . 10.66 



W. C.,B., No. 63.54, the Gray trunk 14.29 



W. C.,B., No. 6356, the Travers trunk 5.26 



W. C, B., No. 6357, the David Ring trunk 6. 29 



M. G. S.-W. C, B., No. 9048, the Allen fragment. No. 2 3.86 



M. G. S.-W. C.,B., No. 9059, the Marlowe fragment, No. 2 2.72 



The only one of these specimens that has entirely escaped illustra- 

 tion is the Johns Hopkins University cycad No. 6, a small fragment 

 recently found in the collections of the Johns Hopkins University with 



