CATALOGUE. 121 



CicuTA MACULATA, L. From Florida to Mississippi and northward to 

 Canada and the Saskatchewan ; collected rather rarely west of the Missis- 

 sippi, but reported from the Lower Platte, (Frdmont,) Western Texas, New 

 Mexico and Southern California. Truckee, Diamond, and Thousand Spring 

 Valleys, Nevada; 4-6,000 feet altitude ; July-September. (441.) 



Caeum^ G-aiedneei, Benth. & Hook. (Edos?nia, T. & G.) Root tuber- 

 ous : stems terete, slender, 1-4° high, with a few 1-3-pinnate or temate 

 leaves and linear or sometimes lanceolate leaflets, the upper leaves sheathing 

 and often simple ; umbels on elongated peduncles, with 6-12 rays ; calyx- 

 teeth small, ovate, persistent ; petals white, broadly obcordate ; fruit about 

 1" long, ovate, glabrous, contracted at the commissure, with sohtary broad 

 thin vittse; involucre of 1-2, and involucels of several setaceous bracts. — 

 Tubers 2-3 in a fascicle, scarcely the size of the little finger, but forming an 

 important article of food to the Indian tribes. The common name for it 

 through Utah and Nevada is "Yep," "Yepah," or "Yampah." It is very 

 nutritious, contains much starch, and its taste is sweet and pleasant. From 

 "Washington Territory and Idaho to California and Utah. Frequent through 

 Nevada and in the Wahsatch ; 5-6,500 feet altitude ; June-October. (442.) 



SiUM LiNEAEE, Mx. With leaves varying from nearly entire to incisely 

 pinnatifid. From Florida to Mississippi and northward to Canada and the 

 Saskatchewan ; collected also in Kansas, Colorado, and Oregon. Found in 

 the Truckee and Euby Valleys, Nevada, and in Weber Valley, Utah ; 4^6,000 

 feet altitude ; July-August. (443.) 



SiUM ANGUSTIFOLITJM, L. Widely but sparingly distributed ; Massachu- 

 setts to Illinois and Wisconsin, Wyoming, Oregon, California, New Mexico, 

 and Florida. Found in Diamond, Euby and Upper Humboldt Valleys, 

 Nevada, and in Salt Lake Valley; 4,500-6,000 feet altitude; July- 

 October. (444.) 



PiMPiNELLA^ APIODOEA, Gray. Proc. Amer. Acad., 7. 345. Stems 



^ CAEUM, L. Calyx-teetli small, minute, or none, (conspicuous in C. Kellogii.) Petals witli the 

 point inflexed an d more or less S-lobed by the intrusion of the midvein. Stylopodia more or less 

 broadly conical. Fruit ovate or oblong, laterally compressed and often narrowed at the commis- 

 sure, very rarely didymous ; carpels 5-angled ; ribs obtuse, slightly prominent, ec[ual, the lateral ones 

 marginal ; vittse solitary, very rarely in pairs. Carpophore bifid or 2-parted. Seed subterete, convex 

 upon the face, or flat, or slightly concave. — Annual or perennial, and glabrous, or the fruit only hispid. 

 Leaves pinnate, or ternately or pinnately decompound. Umbels compound. Leaves of the involucre 

 few or none, of the involucels usually several, entire. Benth. & Hook. 



^ PIMPINELLA, L. Calyx-teeth obsolete or rarely small. Petals narrowed to an inflexed point. 

 Stylopodia cushioned, or conical ; styles usually elongated. Fruit ovate or shorter than the width, more 

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