2 34 PARSLEY ORDER 



OROGENIA Watson 1871 



(Gr. or os, mountain, genos, born) 



PI. 35, fig. 30. 



Sepals 5, united and grown to the ovary, teeth tiny, petals 5, white, 

 stamens 5, ovary 2-celled, fruit oblong, each carpel strongly flattened dor- 

 sally, dorsal and intermediate ribs thin, lateral ribs greatly corky-thickened ; 

 leaves 1-2-ternate, leaflets entire; stemless perennial. 

 Stalks 1-5 in. high from a tuber; leaves 2-3; fruit 3-4 

 mm. long O. linearifolia 



OXYPOLIS Rafinesque 1830 



(Of uncertain origin and meaning) 



PI. 35, fig. 26. 



Sepals 5, united and grown to the ovary, teeth evident, petals 5, white, 

 stamens 5, ovary 2-celled, stylopodium low conic, fruit ovoid, somewhat 

 flattened laterally, each carpel with thin dorsal and intermediate ribs, the 

 lateral ribs winged, oil-tubes solitary in the intervals, 2-6 on the commis- 

 sure side; leaves once pinnate or ternate, or sometimes reduced to the 

 petiole alone ; stemmed perennial. 

 Stems 1-2.5 ft. high from a group of tubers ; leaflets 



5-9, ovate to lance-ovate ; fruit 3-4 mm. long O. Fendleri 



PASTINACA Linne 1753 

 (Lat. name of the parsnip, from pastus, food) 



Sepals 5, united and grown to the ovary, teeth none, petals 5, yellow 

 stamens 5, ovary 2-celled, stylopodium low, fruit oval, much flattened dor- 

 sally, each carpel with thread-like dorsal and intermediate ribs, the lateral 

 ribs winged, oil-tubes solitary in the intervals and 2-4 on the commissure 

 side ; leaves pinnate ; stemmed biennials. 

 Stems 2-5 ft. high; leaflets ovate, 1-3 in. long; fruit 



5-8 mm. long p. saliva 



PHELLOPTERUS Nuttall 1840 

 (Gr. phellos, cork, pteron, wing) 



PI. 35, fig. 28. 



Sepals 5, united and grown to the ovary, teeth evident, petals 5, white 

 to pink or purple, stamens 5, ovary 2-celled, stylopodium none, fruit ob- 

 long to round, each carpel with 3-5 broad wings, oil-tubes 1-3 in the inter- 

 vals, 4-8 on the commissure side; leaves 13-pinnate; stemless or short- 

 stemmed perennial. 



