rUacelia. HYDEOPHYLLACE^. 159 



narrow-campanulate blue corolla, exceeding the globular sparsely hirsute-pubescent cap- 

 sule : stamens and at length deeply 2-parted style included : appendages at base of fila- 

 ment short: seeds alveolate-reticijated. — Proc. Am. Acad. x. 317, & Bot. Calif, i. 506. 

 Sama racemosa, Kellogg, Proc. Acad. Calif, v. 51. — California, in the Sierra Nevada from 

 Calaveras to Xc-vada Co., at Cisco, Summit Station, &c., Bolander, Kettojg. Corolla and 

 capsule a line long. 



* * Leaves (as in the rest of the genus) al I alternate : pubescence or some of it hispid or hirsute : 

 spikes or branches of the c_\Tnc scorpioid and dense: pedicels short or hardly any (except in P. 

 pedlcell'ita) : appendages of the corolla broad and salient, usually more or less united at the base 

 of the filament. 



H^ Leaves all simple and entire, or some of the lower piunately 3-5-parted or divided ; the segments 

 or leaflets entire : capsule ovate, acute : seeds densely alveolate-punctate, upper end acutish. 



» P. ciroinata, Jacq. f . Hispid and the foliage strigose, and either green or canescent, a 

 span to 2 feet liigh from a perennial or biennial root : leaves from lanceolate to ovate, 

 a:;ute, pinnately and obliquely straight- veined ; the lower tapering into a petiole and com- 

 monly some of them with one or two pairs of smaller lateral leaflets : inflorescence hispid ; 

 the dense spikes thyrsoid-congested ; corolla wliitish or bluisli, moderately .j-lobed, longer 

 than the oblong-lanceolate or linear calyx-lobes : filaments nmch exserted, sparingly 

 bearded. — Eelog. 135, t. 91 ; Bentli. 1. c. ; A. DC. Prodr. 1. c, where see the older synonymy. 

 [A/clea ciremata, Willd. Enura.) P. heteropJti/Ua, Pursh, PI. i. 140. P. Califuniiai, Cham, in 

 Linn. iv. 495. P. Iiastata, Dougl. in Hook. Fl. ii. 80. P. leucophyUa, Torr. in Frem. Rep. 93. 

 P. camscens, Nutt. PI. Gamb. 153, a dwarf very canescent state. — Dry ground, Dakota to 

 British Columbia, New ilexico, and California,. (S. to the Strairs of Magellan.) Very 

 variable : dwarf forms sometimes with a naked scape-like stem. 



Var. calyoosa, Gray, I. c. Divisions of the calyx more fohaceous and ample, and 

 in fruit with narrowed base, oblong to obovate-spatulate, reticulated. — California ; not rare 

 in the western part of the State, under otherwise varying forms. 



P. Breweri, Gray, 1. c. Eesembling the preceding but smaller and slender, from an 

 annual root : corolla blue or violet, more broadly campanulate, nearly twice the length of 

 the linear calyx-lobes : filaments glabrous, a little shorter than the corolla. — ilonte Diablo, 

 California, on dry and soft sandstone. Brewer. Leaves seldom an inch long, exclusive of 

 the petiole of the lowermost ; many of them :3-5-parted ; the lanceolate lobes ascending. 

 Corolla barelv 3 lines long. 



P. humilis, Torr. & Gray. Annual, diffusely branched from the base, a span high, 

 pubescent, or the inflorescence often hirsute ; leaves spatulate-oblong or oblanceolate, 

 rather obtuse ; the lower rarely with one or two lateral ascending lobes, the veins branch- 

 ing : spikes loosely paniculate or solitary, in age rather slender : pedicels either all very 

 short, or the lower sometimes almost as long as the calyx : corolla indigo-blue, rather 

 deeply lobed, surpassing the usually Imear calyx-lobes : filaments moderately exserted, 

 glabrous or sparingly bearded above. — Pacif. K. Rep. ii. 122, t. 7 ; Watson, Bot. King, 250. 

 — Sierra Nevada, California, from Siskiyou to Mariposa Co., and E. Nevada. Leaves an 

 inch or two in length. Corolla 2 or 3 lines long. 



Var. calycosa, Gray. A strict and slender form : corolla apparently pale : calyx- 

 lobes larger and spatulate, as in the similar variety of P. circinata. — Proc. Am. Acad. & 

 Bot. Calif, i. 507. — E. side of the Sierra Nevada, near Mono Lake, Bolander. 



^— -i— Leaves simple, all petioled, rounded-cordate, somewhat palmately lobed or incised, the lobes 

 serrate. 



-P. malvaBfolia, Cham. Rather tall and stout, from an annual ? root, hispid with spread- 

 ing or reflexed stinging bristles, and the foliage more or less pubescent: leaves (1 to 3 

 inches in diameter) green and membranaceous, round-cordate, incisely 5-9-lobed, acutely 

 toothed : somewhat palmately ribbed at base : spikes solitary or geminate ; corolla (3 or i 

 lines long) white, longer than the unequal linear and spatulate caly.\'-lobes : stamens ex- 

 serted : seeds alveolate-scabrous. — Linn. iv. 494; Gray, I. c. — California, Bay of San 

 Francisco, Chamisso, Kelh-'/r/, G. B. Yiisey. 



-i— H 1— Leaves oblong or narrower in outline, pinnately toothed, lobed, ot compound, and the 



lobes or divi'^ions toothed or incited: capsule globular or ovoid, obtuse : seeds with excavated 

 ventral face divided by a salient ridge : annuals, or rarelj' biennials (or one perennial?), mostly 

 with cymosely or urabellately or thyrsoid congested spikes. 



++ Calyx, &c., not setose-hispid: stamens and style more or less exserted. 



