so 



iiitcr\:tls, S on the coiiiinissural side: seed stroiit^ly lliitlciied 

 dorsally, with angled back, and face but slightly concave, with 

 no central ridge. (Fig. 02.) - L. apiifolhim var. ( r ) wiinis Gray; 

 Rrcv/er tK: Watson, Hot. Calif, i. 2()4 and ii. XTA. 



California, Ostrandors Meadows {lidhtiidi'i), Ebltott's Pass (lirtjim), 

 Mts. Sliasta and Stanford {Hooker A- Oraij). Donner Lake {Sonne), Sierra 

 county (Lenunon\, Plumas county {Mrn. Aiislin); Oregon, Portland 

 iHrndernon), Willamette Slough iHotrell); Washington Toiritory, Mt. 

 Adams (Henderson 37^. SnkHdorf). Fl. June. 



Tho specidi' uanif inimix is pi coccupiiMl \,y Liiinsliriiin luiinis Lam. 



22. OREOXIS Rat., Seringe, Indl. Hot. Soc. Genev. 1880, 

 214. — An alpnic cespitose glabrous perennial, with pinnate leaves 

 inostly shorter than the pedeuncles, no inxolucrc, and inxolucels 

 of narrow bracllets equalling the 3CII0W flowers. 



The corky-ribbed rather than tiiin 7/inged fruit, as well as the well- 

 developed strengthening cells, are characters which do not belong to 

 C'//"'0P'e''M«> the genus to which this form has been referred. Tlie fruit 

 bears a closer resemblance to that of Apiinn or Cadoplennnn. 



1. O. humilis Kaf. 1. c. Cespitose, from a somewi^at slen- 

 der elongated root: leaves pinnate, the leaflets cut into 8 to 7 linear- 

 lanceolate inucronate segments: peiluncles I to -"> inches high: 

 umbels few-rayed, with imolucels of linear oi" lanceolate bractlets: 

 fruit globose, 2 lines long, with T) very thick and prominent (but 

 not winged) carpel ribs: oil-tubes solitary in the \ erv nairow ip.- 

 tervals, 2 on the commissural side, and a small one in each dor- 

 sal rib: seed sulcate beneath the oil-tubes, witii face somewhat con- 

 cave. (Fig. 08.) — Cyinoptcnis alpinns Gray, Am. Jour. Sci. 2. 

 xxxiii. 408. 



High mountRins of Colorado, at 11,000 feet altitude and uiiwards. Fl. 

 July and August. 



28. -ICTIIL'SA Linn. Gen. n. 8r)r). Poisonous annuals, with 

 2 to 8-ternate then pinnate leaves having small and man\-cleft 

 segments, no involucre, inxolucels of long narrow bractlets, and 

 white flowers. 



JB.. CvNAPU M L. is a fetid poisonous European herb, in 

 cultivated grounds, from New ICngland and Peimsvlvania to Min- 

 nesota. (Fig. 94.) Fl. June to August. 



