488 BOEAGINAOEiE cbyptanthe 



inate, a line long, the groove of the attachment divaricately forked''and 

 somewhat open at the base. On dry hillsides, southern Oregan and adja- 

 cent California. 



■^- ■<- Nutlets usually all 4 maturing and all alike, either flattish or 

 angled ventrally, ovate in outline and acute or short acuminate, at- 

 tached for half or nearly their whole length to the subulate gynobase, 

 the slender groove not dilated at base into an open areola or scar. 



C. leiocarpa Greene I. c. 17, Krynitzkia leiocarpa F. &M. Strigose 

 pubescent: stem 6-18 inches higlx, diffusely branching: spikes single or 

 sometimes in pairs, often leafy at base, bractless above : leaves spatulate or 

 linear 1-1)^ inches long : calyx erect, a line long, densely strigose-hirsute 

 and with some coarser spreading bristles : nutlets flattish, the slender 

 ventral groove continuous to the very base of. the nutlet and not at all 

 furcate, attached nearly their whole length to the subulate gynobase. 

 Near the coast, Washington to California^ 



C. afflnis Greene 1. c. 119. K. affinis Gray Rough-gubeacent: stem 

 slender, 6-12 inches high, diffusely branched : leaves spatulate, 1-2 inches 

 long: spikes solitary, or sometimes in pairs, often leafy at base: sepals 

 linear lanceolate much longer than the nutlets, strigose-hirsute with a 

 few stout pungent spreading bristles : nutlets sopaewhat turgid, the groove 

 simple and continuous to the very base, attached only' up to the middle to 

 the slender pyramidal gynobase, the free apical portion a little diverging. 

 Among pines on the edge of forests, eastern Washington to California and 

 Idaho. 



C. Torreyana Greene 1. c. 118. K, Torreyana Gray. Hispid-hirsute: 

 stem rather stout, 9-12 inches high, paniculately branched from the base: 

 leaves linear-oblong, 1-2 inches long : spikes solitary or often in pairs, 1-4 

 inches long: sepals lanceolate, in fruit attenuate upward, twice as long as 

 the nutlets, setose-hispid with stout spreading bristles: nutlets ovate, 

 acute, attached barely to the middle to the subulate-pyramidal gynobase, 

 the ventral groove divergently forked at base but wifhout an open areola. 

 Oregon to California and,.Idaho. 



* * » Nutlets muriculate or rough-papillose, all 4 alike, sometimes 

 only 1 or 2 maturing, ovate-trigonous, attached from the base to or 

 nearly to the apex: the ventral groove with or without an areola. 



C. barbigera Greene 1. c. 114. Eritrichium barbigerum Gray. . His- 

 pid and hirsute : stem 4-12 inches hign, freely branching; leaves linear, 

 an inch or less long : spikes solitary or paniculate : sepals narrowly linear, 

 3-5 lines long thickly beset with long shaggy bristles, loose above: nutlets 

 acuminate-ovate, very rough-muricate, ashy-gray, the open groove a little 

 dilated at base. On dry plains, southeastern Oregon to California and 

 Arizona. 



C. ambigna Greene 1. c. 113. K. ambigua Gray. Eough-hirsute and 

 the stem strigose-pubescent also: stem stoutish, 1-2 feet high, paniculately 

 branched; leaves oblong to linear nr linear-lanceolate, 6-20 lines long; 

 spikes usually in pairs with a flower in the fork, naked, slender, sparsely 

 to. rather densely flowered : sepals laiiceolate, but little more than a line 

 long, somewhat connivent over the fruit, setose-hispid: nutlets ovate-tri- 

 gonous, barely convex on the back, minutely papillose-scabrous, the vent- 

 ral groove closed above but moderately or barely open at the basal bifur- 

 cation. On dry stony hillsides, Oregon and Washington to California. 



C. muricnlata Greene 1. c. 113. K. muriculata Gray. Hispid-hir- 

 sute with spreading hairs : stem stoutish, 6- 12 inches high : leaves spatulate 

 or the upper ones linear, about an inch long : spikes often in pairs or col- 

 lected in a 3-5-radiate paniculate cyme : sepals in fruit 2 lines long, lanceo- 



