Biddellia. COMPOSIT.E. 317 



Tribe VI. HELENIOIDE^, p. 70. 



128. CLAPPIA, Gray. (Dr. A. Clapp, author of a Synopsis of the 

 Medicmal Phvnts of the U. S.) — Bot. Mex. Bound. 93 ; Benth. & Hook. Gen. 

 ii. 413, & Ic. PI. xi., partly. (The exchided C. aunaitiaca, Benth. Ic. PL t. 1104, 

 is a Dysodia, apparently wanting the oil-glands.) — Single species. 



C SUSedaefolia, Gray, 1. c. Suffruticose, a foot high, widely branching, not punctate nor 

 glandular: leaves alternate, fleshy, terete, linear, entire, or the lower pinnatelv 3-5-parted, 

 sessile: head (half-inch in diameter) pedunculate, terminating herliaceous hranchlets : flow- 

 ers doul)tless yellow. — Beuth. Ic. ri. t. 1105. — S. Texas; on the Rio Grande at Laredo, 

 Berhinclier. Alkaline flats of the Pecos, Havard. 



129. JAtTMEA, Pers. (Z H. Jaume St. Hilaire, a French botanist.) — 

 Herbs or suffruticose plants (mainly S. American) ; with opposite entire leaves, 

 and terminal pedunculate heads of yellow flowers. — Syn. PL ii. 397 ; Benth. 

 & Hook. Gen. ii. 397 (including Coinogijne, Less., Espejoa., DC., Chcethymenia, 

 Hook. & Arn., «&;c.) ; Gray, Bot. Calif, ii. 371. Kleinia, Juss., not L. 



J. Carnosa, Gray. Procumbent or ascending perennial herb, fleshy, gla1)rous, leafy to the 

 short-pedunculate head : leaves spatulate-liuear, almost terete, about inch long : head half- 

 inch long, fleshy : rays 6 to 10, linear, not surpassing the disk: receptacle conical: akenes 

 glabrous, destitute of pappus. — Wilkes Exped. xvii. 360, & Bot. Calif, i. 372. Coinoqyne 

 carnosa, Less, in Linn. vi. 520; Torr. & Gray, Fl. ii. 410. — Salt marshes and sea-beaches, 

 Brit. Columbia to California; probably first coll. by Chamisso. 



130. VENEGASIA, DC. (Michael Ve7iegas, a Jesuit missionary, early 

 writer upon California.) — Prodr. v. 43 ; Benth. & Hook. Gen. ii. 397. — Single 

 species, yellow-flowered. 



V. carpesioides, DC. 1. c. Large perennial herb,- with glabrous leafy branches : leaves 

 alternate, slender-petioled, membranaceous, ovate and subcordate, mostly denticulate, veiny, 

 somewhat pulierulent or atomiferous : heads terminal and from upper axils, short-peduncled, 

 inch broad, and the about 15 rays an inch long. — Gray, Bot. Calif, i. 372. Parlhcniopsis 

 maritimn, Kellogg, Proc. Calif. Acad. v. 100. — liocky banks of streams, coast of California, 

 from Santa Barbara southward ; first coll. by Doucjlus and Coulter : fl. sunnner. 



131 . RIDDELLIA, Nutt. {Prof. John L. Riddell, author of a Synopsis 

 of the Flora of Western States.) — Low and corymbosely branched woolly herbs 

 (Texano-Arizonian) ; with alternate and spatulate or linear leaves, the cauline 

 entire, and small heads of yellow flowers ; the ligules large in proportion, becom- 

 ing pale or whitish in age and thin-papery ; fl. summer. In habit not unlike 

 Zinnia § Diplothrix of the same regions. Bracts of the involucre distinct, but 

 connivent-erect, and connected by the intricate wool so as to seem connate. — 

 Trans. Am. Phil. Soc. n. ser. vii. 371 ; Gray, PL Fendl. 94, & Bot. CaliL i. 372. 

 Psilostrophe, DC. Prodr. vii. 261. 



* Raj's at maturity half-incli long: akenes and pappus glabrous, or the former with few and short 

 scattered hairs: perennial. 



R. tagetina, Nutt. 1. c. Loosely or somewhat villosely lanate, sometimes glabrate in age, 

 rather widely branched : radical and even lower cauline leaves often laciniate-pinnatifid : heads 

 numerous, mostly cymosely clustered and short-peduncled : pale.Te of the pappus oblong- 

 lanceolate, entire, usually obtuse, half or three-fourths the length of the disk-corolla. — Torr. 

 in Emory Rep. t. 5 ; Gray, PI. Fendl. 94. — W. Texas to E. Colorado and Arizona ; first 

 coll. by James. 



