THE CAYUGA FLORA. 55 



2 I.I. HlERACiUM, Tourn. 



530. H. AURANTIACUM, L,. 



Recently introduced. In 1885, a few specimens were found south 

 of Willow Pond race, (June 15) ; near Sw. on Owasco Hill in Ven- 

 ice ; near Caroline Center, (F. T. Wilson.) 



531. H. Canadense, Michx. Canada HawkweEd. (H. and C.) 

 In dry woods ; not rare. Aug. -Sept. 



Case. Woods. Fall Cr., near Cayuga L., and elsewhere. 



532. H. paniculatum, L,. (H. andC.) 

 In woods ; frequent. Aug.-Sept. 



533. H. venosum, L. Rattlesnake H. (H. and C.) 

 In dry woods ; common. June-July. 



Certain forms with leaves cauline and scarcely purple-veined, 

 approach H. Marianum, Willd., but I do not think that species is 

 here. 



534. H. scabrum, Michx. Rough H. (H. and C.) 

 Dry woods, frequent. Aug.-Sept. 



535. *H. Gronovii, L-., is in Dr. Thompson's Cat., and is reported 

 from near Auburn by I. H. Hall. (See Paine 's Cat., p. 99.) It is 

 likely to occur in the sandy woods of Junius. 



212. PrenanThes, Vaill. 



536. P. alba, L. (Nabalus albus, Hook). WhiTE-LETTucE. 



(H. and C.) 

 Woods ; abundant. Aug.-Sept. 



A form in Cascadilla Woods has stem leaves deeply 3-5 parted 

 the lobes pinnatifid. 



537. P. Serpentaria, Pursh. (IV. Fraseri, DC.) Lion's-foot. 

 Dry woods ; not uncommon. Aug.-Sept. 



It occurs in the dry woods along all our ravines, and the pinna- 

 cles of Danby and Caroline. 



538. P. altissima, L,. {N. altissimus, Hook.) (H. and C.) 

 • Moist shaded soil ; frequent. Aug. 



213. Taraxacum, Haller. 



539. * T. officinale, Web. (T. Dens-leonis, Desf.) Dandelion. 



(H. and C.) 

 Fields ; very common. Blooming from May till Dec. 



214. Lactuca, Tourn. 



540. D- scariola. L> Prickly-lettuce. (H. and C.) 

 Gravelly field 011 Trumansburg Point, Cayuga L. A few rods south 



of the landing, where it is abundant. Aug. 



541. L. Canadensis, D. Wild LETTUCE. , (H. and C.) 

 Rich soil and Cayuga D. shore ; abundant. July-Sept. 



542. L. integrifolia, Bigelow. (L. Canadensis, L. var. integrifolia, 

 T. and Gr.) (C. by Dr. Wright.) 

 Drier soil ; not common. Aug. 



Brookton. Cayuga L- at Norton's. Union Springs and Cayuga 

 Bridge. 



