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NORTH AMERICAN FAUNA. 



Tlie following report must be regarded iis a i)reliminary one. The 

 specimens ui)on wliieh it is based are simply those in fruit or flower at 

 the close of the dry season, a considerable luimber of which have not 

 been determined specifically and a few not even generically. As Avill 

 be seen from the list below, mostly trees and shrubs were collected, 

 Avhile the herbs, which spring up in great variety during the rainy 

 season, are scarcely represented. 



The GamopetahiB and Apetahii have been named by Mr. J. M. Green- 

 man, Gramineiti by Prof. ¥, Lamson Scribner, and Filices by George E. 

 Davenport. 



The following new species and varieties are based on this collection : 



jSSgipMla pacified Greemiiaii. Euphorhia suhcccrulea tresmaria; Millsp. 



Beloperone nelsoni Greeuman. Giliheriia insularis Rose. 



Buxus piil)escens Greeuman. Pilocarpus insularis Rose. 



Cordia insularis Greenman. Ternstrcemia maltbija Rose. 



Erythrina lanata Rose. Zantlioxylum insularis Rose. 



Eupliorhia nelsoni Mil]sp;iu<^li. Zantlioxylum nelsoni Rose. 



ANNOTATED LIST OF SPECIES. 



Cissampelos pareira L. 



Common in Mexico and other tropical countries. May 3 to 25 (Nos. 

 4233 and 4262). 



Argemone ochroleuca Sweet. 



Widely distributed throughout Mexico. Maria Magdalena Island, 

 May 26 to 28, 1897 (No. 4318). 



Capparis cynophallophora L. 



Found along the coast of Mexico, South America, and the West 

 Indies. May 3 to 25 (No. 4302). 



Capparis breynia L. 



Common in Mexico, South America, and the West Indies. May 3 

 to 25 (No. 4219). 



^ZJrataeva tapia L. ? 



Perhaps this is the species which has been reported from Acapulco 

 jand Mazatlan. May 3 to 25 (No. 4274.) 



'5'eriistrcBmia maltbya Rose, sp. nov. 



Tree ,3 to 9 meters high j leaves obovate, entire, obtuse, glabrous,'' 

 thickish, not |black-punctate beneath, 5 to 10 cm. long; flowers solitary; 

 peduncles 2.5 to. 3.5 cm. long becoming curved, bracteate a short dis- 

 tance below the calyx; sepals 5, orbicular, 8 to 10 mm. in diameter; 

 petals united at base, acute; stamens numerous; fruit (immature) ovate, 

 20 mm. long, two-celled; seeds red. 



This species is in all probability Seeman's No. 2148, collected on 

 the road from Mazatlan to Dnrango and enumerated, in the Biologia 

 (jentrali-Americana without specific name. 



