1902] A REVISION OF THE GENL/S NEMOPHILA 197 



Leaves opposite, spatulate, elliptical or lanceolate in outline, shallowly 

 3 to 5-Iobed at the tip or entire; corolla mostly open-campanulate, 

 often hairy at the center ; scales oblong to linear, often half free» or 

 reduced to hairy lines - - - - - - 6, ^^. htnnilis 



Leaves, especially the upper, sometimes alternate, typically with 5 to 9 

 suborbicular petiolulate pinnately arranged lobes, but very diverse; 

 corolla mostly pelviform, not hairy within. 

 Calyx-appendages evident; corolla white or bluish ; scales various. 



17. N. exilis 



Calyx-appendages minute or obsolete; corolla usually deep blue; 

 scales linear, ciliate - - - - 18. A^. exilis pulchella 



I. N. AURiTA LindL, Bot. Reg. /. 1601. 1833. — Plant weak 

 and strag-gling, leaning on other plants for support: branches 2 

 to 6^"" long, hirsute, angled or winged, the angles armed with 

 sharp prickles w^hich aid in climbing: cotyledons not seen: 

 leaves all but the lower alternate, 5 to is'^"' long, more or less 

 deeply pinnatifid into mostly 7 to 13 entire or shallowly lobed 

 downward-pointing divisions ; retrorsely barbed along the prin- 

 cipal veins beneath; petioles winged, expanded below into an 

 auriculate-clasping base: flowers mostly in very loose naked 

 racemes at the tips of the branches : calyx-lobes lanceolate, 4 to 

 10"^^ long; appendages usually less than a third as long, spread- 

 ing: corolla with a short throat constricted below the top and 

 spreading- limb i to 3''" across, violet, paler outside; scales tri- 

 angular, usually fimbriate, below covering the base of the 

 stamens, above turning away from them, often 3""" long: nec- 

 taries prominent, one between each pair of scales : style 2 or 3 

 times as long as the ovary, cleft only at the tip : capsule globu- 

 lar, 5 to 9""" in diameter, thin-walled: seeds 4 per capsule, 

 globular, 1.25 to 3'"'° in diameter, conspicuously favose-reticu- 

 lated; caruncle none (?). 



The whole plant is prickly, sometimes even to the calyx. 



California and Arizona. 



Mrs 



Hopp 



creek, Tulare co., Purpiis no. 1298; Kernville, Brande^ee ; Niles, Hall 

 no. 1648; Palo Alto, Dudley; Bixby creek, Monterey co., Brandegee ; 

 Monterey co., McLean, Plaskett ; San Luis Obispo, Lemmon ; Dos Pueblos, 



