﻿FIELD AND FOREST. 



3* 



affection for members of the flock would be as strong as for a mate, or 

 for their young,) their combined efforts being exerted to remove a 

 bird in the quickest and most effective manner, is certainly a won- 

 derful characteristic. 



Forster's Tern can be readily distinguished in all plumages, from 

 similar species, by having the black of the tail on the inner web of the 

 outer tail feather; all the others having the color on the outer web. 



Pierre Louis Jouv. 



A Catalogue of the plan 

 trict of Columbia : 



Chrysopsis. 



377. Mariana, Nutt. 



1'oi.YMMA. 



378. Canadensis, L. 



379. Uvedalia, L. 

 CHRYSOOGNUM. 



380. Virginianum, L. 

 SlLPHIUM. 



381. tri folia turn, L. 

 Ambrosia. 



382. trifida, L. 



3S3. artemisiaefolia, L. 

 Xanthium. 



384. strumarium, L. 



385. spinosum, L. 

 ECL1PTA. 



386. procumbens, Michx. 

 I [ELIOPSIS. 



3S7. la;vis, Pers. 



RUDRF.CKIA. 



388. laciniata, L. 

 3S9. triloba, W. 

 390. fulgida, Ait. 

 j<)i hirta, L. 

 Helianthus. 



392. angustifolius, L. 



393. occidentalis, Riddell. 



394. giganteus, L. 



FLORA COLUMBIANA. 



Contimied front page ij, Vol. II. 



ts growing without cultivation in the Dis- 



95. strumosus, L. 



396. divaricatus, L. 



397. decapetalus, L. 



ACTINOMERLS. 



39S. squarrosa, Nutt. 



COREOT'SIS. 



399. verticillata, L. 



BlDENS. 



400. frondosa, L. 



401. connata, Muhl. 



402. cernua, L. 



403. chrysanthemoides, Michx. 



404. Iiipinnata, L. 

 Yekkesina. 



405. Siegcsbeckia, Michx. 



IiF.I.ENIUiM. 



406. autumnale, L. 



Galinsoga. 



407. pan'iflora, Cav. 

 Maiuta. 



408. Cot ula, D. C. 

 Anthem is. 



409. arvensis, L. 



NOBILIS, L. 



Achillea. 



410. Millefolium, L. 

 Leccanthemum. 



411. vulgar e, L. 



