348 UMBELLIFER^. (PARSLEY FAMILY.) 



late lobes. Umbels 5-1 5-rayed ; fruit oblong, .004 long, .001 broad — 

 April to October — Fields ; common, especially in middle mountain 



30. SIUM, L. Water Parsnip. 



Calyx 5-toothed. Fruit ovate or oblong, laterally flattened. Ribs 

 of mericarp 5, the lateral at margin, Stylopodia entire, flattened-co- 

 nical. Oil-tubes 3 in each interval, almost superficial. Carpophore 

 obsolete. Inner face of albumen flat — White flowered, aquatic or 

 marsh herbs. 



S. lancifolium, M.B. 11 1 to 1.5 ; root fibrous, stoloniferous ; 

 stem branching. Leaves pinnatisect into 3-5 pairs of oblong or ob- 

 long-lanceolate, acutely serrate leaflets, often .15 to .2 long, with cor- 

 date or unequally cuneate base. Umbels with 5-10, short, unequal rays ; 

 bracts of invoUicre and involucel lanceolate, white-margined ; fruit 

 oblong, .002 long, .001 broad, with prominent ribs — August and Sep- 

 tember — Wet places, Marash, and northward. 



[31. BE:RIJL.A, M.K. Berula. 



Calyx 5-toothed. Fruit ovate, laterally flattened, nearly twin. 

 Ribs of mericarps 5, filiform, the lateral at margin. Oil-tubes nume- 

 rous, deeply seated near albumen, covered by a thick pericarp. Carpo- 

 phore obsolete — Aquatic, white-flowered herbs. 



B, aug^u§tifolia, L. If Root stoloniferous ; stem hollow, 

 branching. Leaves pinnatisect into oblong, incised, serrate leaflets. 

 Umbels short peduncled, opposite the leaves ; bracts of involucre large, 

 lanceolate, incised, or entire — Huleh. 



32. PI]!aPI]VEL.L.A, L. Pimpinella. 



Calyx-teeth obsolete. Fruit laterally flattened, ovate, rarely ob- 

 long. Ribs of mericarp 5, flliform, almost obsolete. Oil-tubes 2-3, 

 rarely 5-6 in each interval. Inner face of albumen flat — Annual, 

 biennial, or perennial herbs, with white flowers. 



Sect. I. Tragium. Fruits puhescent or villous. 



* Annuals, more or less divaricate from lase. Umhels 5-20-7'ayed. 



1. P. Anisum, Anise. Ydnsun. .5, puberulent. Lower 

 leaves round -cordate, incised, the intermediate trisect with wedge- 

 shaped, cut-lobed segments ; the upper sessile, divided into linear, 

 entire or trifid lobes. Umbels with 5-12 rays, about twice as long as 

 fruiting umbellets ; involucre and involucel with one linear bract ot : 

 'petals pulejnilent icitTimit ; fruit puberulent, ovate-pyriform, .003 long, 

 .002 broad, tapering at apex — Summer — Cultivated and escaped from 

 cultivation. 



2. P. Cretica, Poir. .3 to .6, puberulent or glabrescent. 

 Lower leaves crenate-dentate, heart-shaped, undivided, or pinnate with 

 three, round-ovate, somewhat heart-shaped, or cuneate leaflets ; upper 

 leaves cut into a few, oblong or linear, entire lobes. Umbels with 6-24 

 rays ; petals ^ZaZ>ro2<s ; irmt ovate-conicdX, ,0015 long, .001 broad — Spring 

 — Dry hillsides and fields ; common. 



