642 



PATAGONIAN EXPEDITIONS I BOTANY. 



FIG. 80. 



lands, abundant near streams leading 

 from freshwater lagoons to the sea; 

 usually buried in the gravel. (Fig. in 

 Eng. & Prantl, iii, 8, p. 205, is inac- 

 curate as to the leaves ; better in Britt. 

 & Br., ii, p. 521.) 



1 6. FCENICULUM Linn. Fennel. 



Erect, glabrous herbs, with pinnate- 

 ly decompound leaves, having capil- 

 lary segments, and compound timbels 

 of yellow flowers without involucres. 

 Calyx-teeth obsolete. Petals apically 

 obtuse or retuse. /^^//oblong-terete, 

 ribbed, vittce solitary in the intervals, 

 also 2 facing the commissure. 



Species 4, Old World. 



F. PIPERITUM DC. 



Lilceopsis lineata. The plant, nearly natural 

 size; also magnified flower and fruit. (From Leaf-lobes Subulate, very short, rigid, 



Flora antarctka.} thick Umbels with 8-io rays. (S. 



Eur. to Persia); N. Patagon., by Rio Negro. 



17. LIGUSTICUM Linn. Lovage. 



Perennial, glabrous, usually branching herbs with aromatic roots, ter- 

 nate leaves and large compound umbels of white flowers. Invohicral 

 bracts narrow, often deciduous ; involucellar bracts linear. Calyx-teeth 

 obsolete. Stylopodium conical. Fruit oblong-ovoid, not flat ; ribs promi- 

 nent, with broad valleys intervening ; oil-tubes 2-6 in the valleys. 



Species 20, in Northern Hemisphere. 



L. PEUCEDANOIDES Presl. 



Leaves decompound, their segments linear. Umbels oppositifoliose. 

 Rays wing-angled. Petals entire. 

 (Chili); Patagon. 



1 8. PASTINACA Linn. Parsnip. 



Erect, branching herbs with thick roots ; and the basal and lower stem- 

 leaves pinnate, having ovate, lobed, and toothed segments. Compound 



