344 



TJMBELLIFER^, (PAKSLET FAMILY.) 



H, nodiflorum, L. If 



Qurrah. Jezar-'' Afdrit. .1 to 

 .5, glabrous, rooting at lower 

 part of stems. Leaves pinnate, 

 consisting of 3-6 pairs of ovate- 

 lanceolate, serrate leaflets, with 

 oblique base. Umbels opposite 

 the leaves, sessile or short-ped- 

 uncled ; bracts of involucre lan- 

 ceolate, scarious-margined ; 

 fruit ovate, .0015 to .002 long, 

 with prominent ribs — Summer 

 — In water ; common. 



Fig. 175. 



Fruiting umbel and leaves of H. nodiflorum. 



23. PETROSEL.IXU]*!, Hoffm. Parsley. Buqdmiis. 



Calyx-teeth obsolete. Fruit ovate, laterally compressed, nearly 

 twin. Ribs of mericarps 5, filiform, equal, the lateral at margin. 

 Stylopodium short-conical. Intervals with 1 oil-tube. Carpophore 2- 

 parted. Inner face of albumen flat — Monocarpic herbs, with yellow- 

 ish-green or reddish flowers. 



P. sativum, L, Parsley. Buqdunis. Glabrous; stem erect, 

 branching. Leaves triangular in outline, the lower 2-pinnatisect into 

 ovate-cuneate, incised-dentate segments, the upper trisect into lanceo- 

 late-linear, entire leaflets, or entire, linear. Umbels peduncled, with 

 numerous, equal rays — Summer — Cultivated, and escaped from cul- 

 tivation. 



24. RIDOL.fi A, Moris. Ridolfia. 



Calyx-teeth obsolete. Fruit oblong-linear, laterally flattened, 

 crowned with a disk composed of the flattened stylopodia. Ribs of 

 mericarps 5, nearly obsolete. Intervals with 1 Yig. 176. 



oil-tube. Inner face of albumen rather concave 

 — Annual herbs, with yellow flowers, and leaves 

 dissected into filiform lobes. 



R. seg^etum, Mor. .5 to 1, glabrous, 

 glaucescent ; stem branching, leafy. Leaves ovate 

 in outline ; lobes of lower leaves linear, short, of 

 upper long, filiform. Rays of umbel numerous, 

 unequal ; involucre and involucel ; outer pedicels 

 recurved, 4-5-times as long as erect fruit — March ^^^^^.^„ nm^eiUi of R, 

 to June — Grain fields ; coast plains ; common. segetum. 



25. DEVERRA, D.C. Deverra. 



Calyx-teeth obsolete. Fruit ovate or orbicular, laterally flattened. 

 Ribs of mericarps filiform, nearly obsolete. Stylopodia conical, with 

 somewhat wavy margin. Intervals with one oil-tube. Carpophore 2- 

 parted. Seed nearly terete — Much branched, rigid, perennial, desert 

 herbs, with whitish, leafless stems, and white or yellowish-green 

 petals. 



