Elatine 



Elatinaceae 



677 



50 



Map. 1420 

 Hypericum virginicum 

 var. Fraseri (Spach) Fern. 



soil in cultivated or fallow fields, roadside ditches, pin oak and post oak 

 flats, and more rarely on wooded slopes. 

 N. S. to Man., southw. to Fla. and Tex. 



17. Hypericum virginicum L. Map 1419. Frequent to infrequent in the 

 interdunal flats about Lake Michigan and on the marshy borders of lakes 

 and in swamps throughout the lake area. 



N. S. to Ind., southw. to Fla. 



17a. Hypericum virginicum var. Fraseri (Spach) Fern. (Rhodora 38: 

 434. 1936.) Map 1420. The variety has the habitat of the species and 

 almost the same range in Indiana. 



Newf. and Lab. to Man., southw. to Mass., Conn., Pa., Ind., 111., Iowa 

 and Nebr. 



18. Hypericum tubulosum Walt. (Rhodora 38 : 435-436. 1936 and Jour. 

 Arnold Arb. 19 : 279. 1938.) Map 1421. In swampy woods or on the bor- 

 ders of swamps. I have seen this species growing on an old cypress log in 

 a cypress slough. Rare. 



N. J. and Md. to Ind. and Mo., southw. to Fla. and La. 



18a. Hypericum tubulosum var. Waited (Gmel.) Lott. (Jour. Arnold 

 Arb. 19: 279. 1938.) Map 1422. In low places in low, flat woods and in 

 swamps. Rare. The lower surface of the leaves of my specimens are very 

 glaucous and not glandular or only sparingly so near the margins. The 

 axillary flowers in the species are mostly in l's and 2's while those of 

 the variety are mostly in 3's. The sepals of the species are about 3 mm 

 long while those of the variety are about 5 mm long. 



Ky. and Ind. to Mo., southw. to Fla. and Ala. 



189. ELATINACEAE Lindl. Waterwort Family 



5231. ELATINE L. 



See excluded species no. 448, p. 1074. 



