512 HYJDKurilYLLACE.E. Phacdiu. 



5 to 9 obovate or oblong mostly entire divisions ; the upper with dilated and some- 

 times auricled and i)artly olas[)ing base ; the lower with margined petiule ; racemes 

 yeuunate or panielcd, very loitse : ))edicels as long as calyx : curoUa blue with yel- 

 lowish tube (barely '1 lines bri)ad), little surpassing the spatulato eidarging calyx- 

 lobes : cai)sule glitbuhir, liU - L'l-seeded : seeds cylindraceous, ineiirvod, very doeply 

 rugose transvei-siily and tuberculate. — Hot. ^lex. Bounil. 144; Cray, I'roc. Am. 

 Acad. X. 327. 



Along the Rio Colorado {I'arnj, Bhjelow), and eastward through S. Arizona to tlie Kio Grande. 



« * Corolla funnelfoi'iiL or cyliiitlruceuus ; the internal appe^idaijes vertical, long and 

 narroiv, united more or less extensively to the base of the jilaments : style more or 

 less hairy below : haves pinnatijld and with naked petioles: seeds Jinely reticulated 

 as well as coarsely ruyose. {Phacelia § Euylypta, Watson.) 



+- Corolla white or pale purple, little longer than the calyx. 



26. P. Ivesiana, 'lurr. A span high, diilusely branched from the base, hir- 

 sute-pubescent and glandular : leaves pinnately parted into 7 to 15 linear or 

 oblong divisions, rarely twice pinnatitid : racemes loose, 6-20-flowered : appendages 

 of the corolla almost free from the lilament : calyx-lobes linear : cajtsule oblong, 

 16-24-seeded. — Lot. ]ves Colorado Exp. 21. 



Arizona from the borders of California {Ives), Soutliern Nevada, and Utah. 



-«- -t- Corulla conspicuously longer than the calyx ; the limb mostly bright purple or 

 violet-blue ; the throat and tube whitish or yellowish. 



27. P. Fremontii, Torr. 1. c A span to a foot high, much branched from the 

 base, viscid-puberulent : loaves simply pinnatihd into 7 to 15 obovato or short- 

 oblong mostly entire lobes : llowera sliorL-pedicelled, crowded in an elongating 

 spike : funnelform corolla (3 to 5 lines long) fully twice the length of the spatulate 

 calyxdobes; the appendages united below to the lilament : capsule oblong, 20 -3U- 

 seeded. 



From Koru County llirouyli Western Arizona and Southern Nevada to Soutliern Utah. 



28. P. bicolor, Torr. Diffusely branched from the base, barely a span high, 

 viscid-pid>e.scent : leaves twice pinnately parted or merely i)innatiiid into small 

 shortdincar or oblong lobes : racemes or spikes loosely 10-20-llowered : funnelform 

 corolla (5 to 7 lines long) about thrice the length of the almost linear calyx-lobes ; 

 the long and narrow appendages united for more than half their length with the 

 filament, forming a narrow tubular cavity -behind it: capsule oval-oblong, about 

 16-seeded. — Watson, Bot. King Ex[). 255. 



Eastern portion of the Sierra Nevada (Siena Co., Lcmmon, &.C.), and adjacent parts of Nevada, 

 fn-st collected by Dr. Anderson. The largest-flowered of these species; the rather showy corolla 

 purple, witli a yellowish tuVie and eye. 



29. P. gymnoclada, Torr. 1. c. Branched from the base, low, somewhat viscid- 

 pubescent; the primary branches decumbent, long and naked below: leaves obovate, 

 oval, or oblong, obtusely toothed or almost pinnatihd, mostly shorter than the 

 petiole : spikes several-llowereil : the short-funnelh)rm corolla (3 or 4 lines long) 

 not twico tlio length of the obscurely spatuhite and hirsute calyx-l(d)es {\U> appen- 

 dages as iu the jirecoding) : capsule oval, or oblong, 5- lli-seeded. 



Truckee Pass and Winneniucca, Watson, Lcmmon. Therefore probably within the eastern border 

 of California. Lenimon's specimens are better developed tlian Watson's, without such long naked 

 branches from tlie loot ; the ovules about 12, only -1 or 5 ripening into pretty largo seeds : the 

 capsule oval or elliptical. 



30. P. crassifolia, Torr. 1. c Diffusely branched, 3 or 4 inches high, viscid- 

 pubescent : leaves thickish and rather fleshy, rougbish, half an inch or less long, 

 oblong-ovate, tapering into a short petiole, the lower with some short blunt teeth, 



