Erilrickium. BORRAGINACE.E. 193 



vada and California ; Truekee Pass, J]"'atson, a larger-flowered form. Sierra Valley, Lemmon, 

 a smaller-flowered form and with some fruit. Connects Plac/ioboihrys with the following 

 section. 



yi^ § 3. Kktxi'tzkia, Gray. Xutlets ventrally attached from next the base to 

 the middle or to the apex to the pyramidal or columnar or subulate gynobase ; 

 the scar mostly suleate or slightly excavated: seed from amphitropous to nearly 

 anatropous, commonly pendulous : corolla (except in the last species) white : 

 calyx o-parted, closed in fruit. — Kryniizkia, Fisch. & Meyer, Ind. Sem. Petrop. 

 1841, oi. § KrynitzMa & § PiptocaJyx, Gray. 1. c. 



* {EuKRTNiTZKiA. ) Nutlet:; Without acute lateral an^rles or marejins, the sides more commonly 

 rounded: corolla mostly small; the tube not suriai-ing the mostly setose-hispid calyx : anthers 

 oval: root annual. 



-i— Cal^-x early circumsci-;=i]e ; the .5-cleft upper portion falling away, leavinij a membranaceous 

 somewhat crenate-margined base per^i-^tent around the fruit: corolla with naked and open throat: 

 anthers mucronate: flowers all leafS'-bracteate and sessile. — Piptocalyx, Torr. 



~" E. circumscissuin, Gray. Depressed-spreading, rerj' much branched from the annual 

 root, an inch to a span high, whitish-hispid throughout : narrow linear leaves (a quarter to 

 half inch long) and very small flowers crowded, especially on the upper part of the 

 branches : nutlets oblong-ovate, smooth or minutely pimcticulate-scabrous, attached by a 

 narrow trroore (with transverse basal bifurcation) for nearly the whole length to the pyra- 

 midal-subulate gynobase. — Proc. Am. Acad. x. 5'?. & Bot. Calif, i. .327. Lithoifjfnnnm cir- 

 cumscissum, Hook. & Am. Bot. Beech. 370. Piptocalyx cirrumscissus, Torr. in Wilkes Exp. 

 xvii. Hi. 1. 12. — Desert plains, E. California to Utah, Wyoming, and Washington Terr. 



-i^ -t— Calyx neither circumscissile nor disarticulating from the axis in age; the ]i.'be= linear- 

 oblonir. obtuse, nearly nerveless; the bristles short and even, not setose or pungent: curolla with 

 minute if any appendai^es at the throat: nutlets attached for the whole length to a -lender 

 columnar ,ir\-nobase by a groove which does not bifurcate nor sen?ibly enlarge at base: flowers all 

 leafy-bracteate, short-pedicelled : style at length thickened ! 



. E. micrantllUlll, Torr. Hirsute-canescent, slender, 2 to 5 inches high, at length dif- 

 fusely much branched: leaves linear, only 2 to 4 lines long: flowers in the f jrks. and much 

 crowded in short leafy spikes, about equalling the upper bracts : coroUa barely a line high, 

 and its lobes one to two-thirds of a line long, obscurely appendaged at the throat : nutlets 

 oblong-ovate, acute or acuminate, smooth and shining or dull and puncticulate-scabrous (half 

 to two-thirds of a line long) : style becoming thicker than the gynobase, or even pyramidaL 

 — Bot. Me.-?. Bound. 141; Watson, Bot. King. 244. — Dry plains, western border of Texas 

 through Utah and Arizona to E. California, where larger flowered specimens connect with 



Var. lepidum. Less slender and more hirsute : corolla larger, its expanded Umb 2 or 3 

 Unes in diameter; the appendages or folds, in the throat very manifest : nutlets nearly a 

 line long, puncticulate-scabrous. — CaUfomia, in San Diego Co., D. Cleveland. 



-i— -i— -^— Calyx not circumscissile, 5-parted, conspicuously and often pungently hispid with I'rire 

 stiff brisile<. and the lobes usually with a stout midnerve: the whole cahrx (or short peilieel i in 

 several sieLi'-s inclined to disarticulate at maturity and to form a sort of bur, loosely encbtsing 

 the nutlets : intlorescence scory>ioid-spieate. ^^ithout'or partly "with bracts. 

 ++ Gynobase slender and narrow; nutlets with narrow grooved scar, or continued into a groove 

 above the attachment and so running the whole length of the ventral face ; spikes when developed 

 mainly bractless ; leaves in all Unear. 



= Lobes of the fructiferous calyx very narrow; the strong bristles below reflexed and partly unci- 

 nate: appendages in the thfbat of the small corolla obsolete or wanting: only one nutlet 

 usually maturing. 



^ E. oxycaryum, Gray. Somewhat caneseently strigulose-pubescent or above hirsute, 

 slender, 6 to 20 inches high : leaves narrow : spikes dense in age, but slender, becoming 

 strict, and with the sessile fruiting calyx appressed : this at most 2 lines long, thickly beset 

 toward the base with stout reflexed bristles (of a line or less in length), the tips of some 

 of them curving: nutlet ovate-acuminate or ovate-lanceolate, very smooth and shining, 

 fully a line long, much surpassing the subulate gjTiobase and style, aflixed to the latter 

 only by the lower half or third of the narrow ventral groove. — Proc. Am. Acad. x. 6S. & 

 Bot. Calif, i. -526. Mijosotisjlacdda, Hook. & Am. Bot. Beech. 369, ex Benth., not DougL 

 Kn/nitzkia leiocarpa, Benth. PI. Hartw. (no. 1S72), 326, not Tisch. & Meyer. — Conmion in 

 W. CaUfomia. (Xot seen from Oregon.) ^ y ^ 





r y/ ^ y^ 



