56o REPORT OF NEW JERSEY STATE MUSEUM. 



Helianthemum canadense (L.). Frostweed. 



Cistus canadensis Linnasus, Sp. PI. 526. 1753 [Canada]. 

 Helianthemum canadense Barton, Fl. Phila. II. 6. 1818. — Knieskern 7. 

 Heliantlicniuni ma jus Britton 53. 



ComnTOn in dry sandy soil throughout the State, especially 

 abundant in the Pine Barrens. 



As the apetaloiis flowers begin to develop the plant looks very 

 much like a large flowered LecJiea. 



FL — (Petaliferous) Early May to late July. Fr. — (Of apet- 

 aliferous flowers) Early August to early October. 



Middle District.— Kavtiord, Medford (S), Camden, Mickleton, Swedes- 

 boro. 



Pine Barrens. — Farmingdale, Lakehurst, Browns Mills, Whitings, E. and 

 W. Plains (S), Speedwell, Applepie Hill (S), Clementon (S), Summer, 

 Albion, Atco, Landisville, Cain's Mill, Folsom, Pleasant Mills, Mays Land- 

 ing (S), Absecon. 



Cape May. — Court House, Bennett, Cape May Pt. (S). 



Helianthemum corymbosum Michx. Pine Barren Frostweed. 



Helianthemum corymbosum Michaux, Fl. Bor. Am. I. 307. 1803 [Carolina 

 and Georgia]. 



This plant has been credited to New Jersey by several 

 writers, but the only specimen from that State that proves to 

 belong to this species is one of Nuttall's, in the Philadelphia 

 Academy herbarium. I have a strong suspicion that two or 

 three of Nuttall's specimens, notably Chondrophora virgata, 

 which are labeled New Jersey, really came from farther south, 

 and perhaps that is the case with the present plant. At all 

 events, diligent search has failed tO' discover another specimen. 

 Nuttall's label is simply "N. Jersey." Dr. Britton says: (111. 

 Flora, ii, p. 440) "Specimens [from N. J.] so called, prove to 

 be H. canadense," but the Nuttall plant is certainly corymbosum. 



HUDSONIA L. 



Hudsonia tomentosa Nutt. Woolly Hudsonia, Beach Heather. 



Hudsonia tomentosa Nuttall, Gen. II. 5. 1818 [Coast of N. J., Del. and Md.]. 

 — Knieskern 7. — Willis 10. — Britton 54. — Keller and Brown 226. 



Common on sands of the seacoast and occasional in the Pine 

 Barrens. 



