140 Rhodora [Jur 
Stellate-puberulent below, rarely throughout, even in age; not 
glandular toward the base........ 3a. var. intermedium. 
Terminal, and sometimes upper-lateral, leaf-segments much longer 
than the others and mostly entire; fruiting pedicels often 
more than L5 om. löng.. A... nee An 3b. var. filipes. 
1. SISYMBRIUM INCISUM Engelm. ex Gray, Pl. Fendl. 8 (1849). 
Not so common as is generally supposed, a large number of specimens 
so referred belonging to S. Sophia or even to the S. canescens group. 
2. SISYMBRIUM CANESCENS Nutt. Gen. ii. 68 (1818). S. pinnatum 
Walt.) Greene, Bull. Calif. Acad. Sci. ii. 390 (1887), not S. pinnatum 
Barneoud ex C. Gay, Fl. Chile, i. 125. (1845). Specimens examined. 
SouTH CAROLINA: in sand, Isle of Palms, Harbor of Charleston, May 2, 
1912, B. L. Robinson (122). Groncta: St. Mary's, Feb. 1873, C. E. 
Faxon. FLORIDA: sandy seashore, Hillsborough Co., March 5, 1905, 
A, Fredholm (6504); weed in cultivated ground, Duval Co., March 20, 
1912, A. Fredholm (5001); east Florida, D. C. Eaton; South Jackson- 
ville, April 8, 1897, J. R. Churchill; cultivated ground near Jackson- 
ville, March 22, 1898, A. H. Curtiss (6352). OKLAHOMA: sand, Inger- 
soll, May 6, 1902, B. F. Bush (1506). Texas: along Corpus Christi 
Bay, March 21, 1894, A. A. Heller (1470); sand, Columbia, March 
27, 1900, B. F. Bush (450); Limpia Canyon, April 25, 1902, Tracy & 
Earle (244). New Mexico: 1847, A. Fendler (32). ARIZONA: 
Tuscon, Feb. 27, 1907, F. E. Lloyd. Catirornta: Antelope Valley, 
Sept.-Oct. 1878, J. C. Phillips & C. S. Sargent; Panamint Mts., 
Inyo Co., March 30, 1891, Coville & Funston (512). WASHINGTON: 
1889, G. R. Vasey (180). 
3. SISYMBRIUM BRACHYCARPON Richards. Frankl. 1st Journ. Appen- 
dix Ed. 1. 744 (1823). S. canescens Nutt. var. brachycarpon (Richards) 
Wats. Bibl. Index N. A. Bot. 69 (1878); Sophia intermedia Rydb. 
Mem. N. Y. Bot. Gard. i. 184 (1900) in part (see discussion above). 
Specimens examined. QcvEBEc: sandy border of salt-marsh near 
mouth of River Ste. Anne Des Monts, Aug. 3-17, 1905, J. F. Collins & 
M. L. Fernald. Maine: N. Berwick, May 29, 1902, J. C. Parlin 
(1462). Vermont: rocky soil, Hog Back Island, Lake Champlain, 
July 22, 1900, Nellie F. Flynn. New York: cliffs along Lake Cham- 
plain, Port Henry, June 13, 1882, Ezra Brainerd; Garden Island, Lake 
Champlain, Aug. 1892, Ezra Brainerd; cliffs of Lake Champlain, near 
Westport, May 6-June 13, 1878, C. G. Pringle; Crown Point, May 28, 
Aug. 12, 1901, W. W. Eggleston (2552). OwTanro: Kingston, June 9, 
1902, J. Fowler; sand, Pelee Point, Lake Erie, May 27, 1901, John 
Macoun (33, 857). Onto: Sandusky, May 31, 1903, W. A. Kellerman, 
TENNESSEE: rich bluffs, Knoxville, May 15, 1896, Albert Ruth (346). 
Micuican: shore of Thunder Bay Island, June 18, 1895, C. F. Wheeler; . 
Presque Isle, Houghton; Belle Isle in Detroit River, June 1898-1900, 
O. A. Farwell. Wisconsin: Benderville, Brown Co., June 9, 1901, 
J. H. Vehnette. Iu1iNOIS:. dry prairies, Decatur, May 4, 1897, H. Allan 
Gleason (254); Leithon, Lake Co., July 1, 1907, F. C. Gates (1717.4); 
