520 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



1. FAGONIA L. Sp. PI. 386. 1753. 



Eefebence: Standley, Proc. Biol. Soc. Washington 24: 243-250. 1911. 

 Small shrubs or herbs ; leaves opposite, digitately 1 to 7-foliolate, the leaflets 

 small, entire ; flowers small, solitary, pink or purplish ; fruit small, composed of 



5 carpels. 



Most of the species scarcely deserve to be classed as slirubs. 

 Leaves wanting ; stipules triangular-subulate, 1 mm. long or shorter ; sepals per- 

 sistent 1. F. scoparia. 



Leaves present ; stipules subulate, usually much more than 1 mm. long ; sepals 

 caducous. 



Leaflets 5 or 7 2. F. palm^eri. 



Leaflets 3. 



Ovary glabrous 3. F. laevis. 



Ovary and mature fruit pubescent. 

 Leaflets glabrous. 



Stems densely glandular 4. F. viscosa. 



Stems scaberulous, not at all glandular 5. F. californica. 



Leaflets pubescent, often glandular. 

 Pedicels shorter than the fruit. 



Leaflets 8 to 13 mm. long ; stems densely glandular. 



6. F. pachyacantha. 

 Leaflets 3 to 10 mm. long; stems sparsely or often scarcely at all 



glandular 7. F. barclayana. 



Pedicels longer than fruit. 



Leaflets linear; stipules 4 to 5 mm. long; stems sparsely pilose. 



8. F. insularis. 



Leaflets lanceolate or linear-oblong ; stipules 2 mm. long ; stems 



sparsely scaberulous 9. F. rosei. 



1. Fagonia scoparia T. S. Brandeg. Univ. Calif. Publ. Bot. 4: 181. 1911. 

 Known only from the type locality, Cerro del Macho, Coahuila. 



Slender erect shrub, about 30 cm. high, leafless ; petals purplish pink, 5 mm. 

 long. 



2. Fag'onia palmeri Vasey & Rose, Contr. U. S. Nat. Herb. 1 : 82. 1890. 

 Baja California ; type from Santa Rosalia. 



Densely branched undershrub, forming clumps about 45 cm. high ; leaflets 

 linear, 3 to 10 mm. long; petals pinkish. 



3. Fagonia laevis Standi. Proc. Biol. Soc. Washington 24: 249. 1911. 

 Northern Baja California. Southern California and Arizona ; type from 



Yuma, Arizona. 



Plants suffrutescent. decumbent, densely branched, glabrous ; leaflets 2 to 

 8 mm. long. 



4. Fagonia viscosa Rydb. N. Amer. Fl. 25: 104. 1910. 



Sonora (type locality) and Baja California. Southern California. 

 Leaflets 8 to 15 mm. long, 3 to 8 mm. wide ; petals purple, 6 to 8 mm. long. 



5. Fagonia californica Benth. Bot. Voy. Sulph. 10. 1844. 



Baja California ; type from Magdalena Bay. Southern California to Utah. 

 Densely branched, suffrutescent, about 30 cm. high ; petals 5 to 8 mm. long. 



6. Fagonia pachyacantha Rydb. N. Amer. Fl. 25 : 105. 1910. 



Known only from the type collection, from somewhere in Baja California. 

 Suffrutescent, 30 to 60 cm. high; leaflets linear, 8 to 15 mm. long; petals 



6 to 8 mm. long. 



