BKXl'AVUKIA DHiVXIA 187 



3. Z. n'TEfiKHBiMA, DC. Leaves biternnte, somewhat frlaucous; 

 leaflets oblong-ovatc, very entire ; umbel with slemler elongated rays; 

 involucels very minute, often 1 -leaved. Beck. Bat. p. 143. 

 Smyrnium intcgerrimum. Willd. Sp. 1. />. 1408. J\fx.*8m. \.p. I *7 T. 

 Per*. Syn. 1. p. 322. Mt. Kevr. 2. /;. 158. MuhL Cat ah p. 32. Pursh, 

 Jm. l./>. l ( ^6. Ate/. Ge;/. 1. /;. 195. Bart. Phil. 1. p. 146. Ell Sk\ 

 1 . p. 360. 7,/W/. JSncy. /k 2 1 6. 

 Sison intcgerrimus. Torr* JY, 1.J&, 305. Ejusd. Comp.p. 134. 



A'kky enure Zizia. 



Whole plant glabrous. Root perennial. Stem 18 inches to 2 feet high, slightly 

 branched above, (sometimes branching from the base), striate, purplish when 

 young. Radical leaves often somewhat iritcrnate, on l.mgish petn les, which are 

 dilated and purple at base ; stem leaves biternate, petiolate ; common petioles dila- 

 ted, membranous, striate, or ribbed, purplish. Leaflets, or segments, a?i inch to an 

 inch and a ha If long, and halfau inch to .'! quarters wide, varying from obi ng-evate 

 to oval and cuneaie-obovate, mucronate, often oblioue at base, ternate on a com- 

 mon petiole; the terminal segments mostly .'l- parted, petiolate, the lateral ones ses. 

 sile, or subsessile. / mbcls mostly terminal, on peduncles 3to H inches long ; rays 

 unequal, 1 to 3 inches long, slender, almost filiform, slightly angular, spreading* 

 some of them often divaricate, lnroluvcls minute, subulate, 1, 2 or 3 leaved (some- 

 times wanting?). Calyx minutely 5-toothed. Petals yellow. Fmii sul>orbicular, 

 apex often oblique , sides compressed. Carpels striate, dark brown, with the ribs 

 rather inconspicuous. 



Uab. Mica-slate hills ; Black Rock : not common. Ft May. Fr. July. 



Obs. First collected in this County, in 1S28, by Mr. Joshua HoorBs. The fore- 

 going are all the known species of the genus, as nov. established. 



HO. APIUM. L. /)C. Prodr. 4. p. 100. 

 [Supposed, by De Theis, to be from the Celtic, Apon, water; its place of growth.] 



Calyx with the limb obsolete. Petals roundish, entire, with a small 

 inflexed apex. Fruit roundish, compressed at the sides. Carpels with 

 5 equal ribs t of which the lateral ones are marginal. Channels with 

 single vittft, the outer ones often with 2 or 3 vittx. Axis undivided. 

 Involucre 0. Jnvolucels 0. 



1. A. graveolkns. L. vov. dulce, DC. Lower leaves pinnately dis- 

 sected, on very long petioles ; upper ones 3-pavted, with the segments 

 tuneate, lobed and incise d-d cniaie at vpex. DC. Prodr. 4. p. 101. 



STRONf.-scENTEn Apicm. Vulgo — Celery. 



Gallice-CV7^/7. Gcrmanicc- /><"/• Celeri. Hispanicc-*/f/>/o hortensc. 



Whole plant glabrous. Root biennial, fusif or 7n, Diichibh. fleshy. Stem 2 to 3 

 feet high, branching, sub ate. Radical leaves uiih broad cuncate inciscly-lobed 

 segments ; petioles stout, suendent, channelled, G inches to afoot or more in length* 

 end often purplish, uidess artificially blanched by bci,ig covered. Stem leaves on 

 short pet totes ; segments cuneate, more or less ijiciscd. Umbels terminal, and aa> 

 Hilary, the axillary ones of 'ten subsessile ; rays unequal, spreading. The umbels 

 eflcn appear to be decompound or proliferous,— some of the long rays bearing 

 compound umbels. Petals greenish white. Fruit nearly orbicular; Ftyles sfirft 9 

 diverging, or recurved. 



Ttkb. Garitins : frmptent Tl. Ml$. Tt. Septefrtbef. 



