87 



with ncillicr imoliKTc- nor iiu oIikcIs; i;iys i_. to 4 imlK's lon<i^; 

 fniitiiijif pedicels thick, a line or less long (rarely 2 or 8 lines): fruit 

 ohlong to oliovate, glabrous, 2 to H lines long; dorsal and inter- 

 niediate ribs as in the last, but e\en less prominent ; lateral wings 

 as broad as boilv or broader: oil-lube^ 'i on the comn'.issural side 

 (distant): seed-face broadly eoi;cave. (I'^ig. '.>• ) 



In the niouulaiiis iieur the Briti.sli bouiuiaiy, Wubiuiigtui: Territory 

 {Ljiall, SuksdorfHil, HvntJerHon :<8:5. Brnndvgec 7!)(ii, Idaho ( Ltihtru). 

 ami Montana ( l^((^s((H l.')7, f'aiilni HO, Scribner <i'>); also sunnnit of K. 

 Kootenai Pass, 15. C. ( l)inr.-<,nn, and Oregon (Xrrins) 



4. A. tomentOSa Watson, Proc. Am. Acad. xi. 111. Stout, 

 hoary-tomcntose throughout with rather line tomentum, oi' the 

 stem glabrous: leaves cpiinate then once or twice pinnate; leaflets 

 thickish, ovate, acute, oblique at base, 2 to 4 inches long, unequally 

 and sharply serrate or tot)t!ie(l: umbel somewhat equally many- 

 rayed, with neither involucre nor in\ olucels: rays 1 to 4 inches long ; 

 pedicels 4 to (> lines long: fruit oblong-elliptical, glabrous or 

 nearly so, H to 4 lines long, 2 to 2^4 lines broad; dorsal and inter- 

 mediate ribs small and acutish ; lateral wings thin, about as broatl 

 as body: oil-tubes 2 on the commissural side: seed somewhat sili- 

 cate beneath the oil-tubes, with plane face. 



In the Coast Kanges. from Mendocino county, CaliforniiJ, to thf San 

 Bfinaniino Mts. ( I'orish !ISS). Fi. Angnst. 



T). A. arguta Xutt. Torr cS: (Jray, Fl. i. ()2(). Glabrous, 

 except tiie sometimes minulelv {niberulent intlore^^cence, stout, 2 to 

 4 feet high: leaves tern.atc then pinnate or bipinnate; leaflets mostly 

 small, ovate to lanceolate, rather acute, serrate: umbel rather 

 cquallv manv-raved, with neither iuNolucre nor involucels; ravs 

 1 to 8 inches long; pedicels 8 to -") lines long: fruit oblong- 

 elliptical, glabrous, 8 to 4 lines long; dorsal and intermed- 

 iate ribs thick and slightly elevated; lateral wings verycoi'ky, 

 thick, and r>s broad as the much flattened body or broader: oil- 

 tubes 2 on the commissural side (distant, or sometimes 4 in 2 dis- 

 tant pairs): seed sulcate bi.-nealb the oil-tubes, wilii plane face. 

 (Fig. 10.) 



Oregon and Washington Teriitory. 



This plant was reported by Nuttaii from "Fort Vancouver, Oregon," 

 and then lost siglil of, being confused with A. (/entiflrxa. An examination 

 of tiie type tin good fruit in the Torrey Herl ariuni) abundantly condnns 



