116 SYNOPSIS OF THE FLORA OF COLORADO. 



ALLIONA 1 INCARNATA, L. DC. Prod. 13, 2d pt,, p. 434. Stem herbace- 

 ous, prostrate, elongated, whitish, mostly woolly ; leaves petioled, unequal 

 in the same pair, obtuse at each end or obliquely subcordate at base, mar- 

 gin sinuate, whitish-villose ; peduncles solitary; lobes of the involucre 

 lanceolate, acute, retiexed after flowering. Cation City, 1873, Greene. 



ABRONIA 2 FRAGRANS, Xutt. Viscid-pubescent ; stems numerous from 

 a perennial root, ascending -1J high ; leaves oblong or ovate, trun- 

 cate or more or less cuneate at base ; obtuse or acutish ; peduncles, mostly 

 solitary, elongated; bracts of the involucre large, broadly ovate, white 

 and scarious, obtuse or acute, 4 // -9 // long ; stamens unequal; stigma 

 clavate ; fruit 3"-6" long, coriaceous, narrowly 1-2 winged or wingless, 

 not crested ; seed 1J" long. Hall & Harbour, 572. Plains near Denver, 

 Dr.. Smith; B. H. Smith. Near Colorado Springs, Porter. Monument 

 Park, Coulter. 



ABRONIA CYCLOPTERA, Gr. Sill Jour., (N. S.,) 15, p. 319. Glandular- 

 pubescent; stems prostrate or ascending, 6'-18' long; leaves oblong, 

 ovate or ovate-lanceolate, cuneate at base, obtuse, l'-2' long; peduncles 

 short ; involucre of 5 ovate, acuminate bracts, 2 // -5 // long, 8-20 flowered ; 

 flowers bright rose-color, 6"-12" long, tube pubescent; stamens 3-5; 

 fruit 7"-12" long, 4 // -10 // wide, including the 2-4 (usually 3) large semi- 

 orbicular, membranous, strongly reticulated, pinkish-purple wings; seed 

 2"-4" long. Hall & Harbour, 573. Upper Arkansas, Porter. Grape 

 Creek, Fremont County, Coulter. 



TELOXYS 3 CORNUTA, Torr. Bot. Whippl, P. E. -K., p. 129. Glabrous, 

 12 / -15 / high, very much branched ; leaves repand-deutate and pinuatifid ; 

 segments of the calyx acute, short beaked 011 the back ; calyx beset with 

 minute, elevated glands; floAvers minute, terminal and sessile in the 

 forks of the slender, dichotomous branchlets; the terminal ones soon 

 fall away, leaving slender, persistent, awnlike pedicels ; seed orbicular, 

 thick, rounded on the margin and closely covered with the .utricle which 

 strongly adheres to its surface. Mountains west of Denver, Dr. Smith; 

 B. H. Smith. Pueblo, Greene. 



CYCLOLOMA PLATYPHYLLTJM, Moq. Near Denver and Colorado 

 Springs, Porter. 



CHENOPODIUM ALBUM, L. Exceedingly variable.. Caiion City, Bran- 

 degee. Denver and Colorado Springs, Porter. Mount Elbert near Twin 

 Lakes, at 10,000 feet altitude, Coulter. 



Linn. Involucre gam opliy lions, 3-cleft, 3-flowered. Perigonium very 

 small, limb 4-lobed. Stamens 4, freely included. Style simple ; stigma capitate. Fruit 

 covered with tlie indurated base of the perigouium, spiuulose on the back. Embryo 

 plicated. De CandoUe. 



2 ABRONIA, Jnss. Involucre perfect, of 5-15 distinct leaflets, the head many flowered. 

 Calyx salver-form, with obcordate lobes. Stamens 5, included, adnate to the tube. 

 Style included ; stigma capitate or linear-clavate. Perfect fruit 5-winged. Seed cy- 

 lindrical, smooth. Embryo by abortion monocotyledouous, infolding the central mealy 

 albumen. Low herbs, with thick opposite petioled unequal leaves ; peduncles axillary 

 and terminal, and flowers in solitary involucrate heads. 



3 TELOXYS, Moq. Flowers perfect, bractless. Calyx 5-parted, segments subconcave, 

 at length subcarinate, never appendiculate. Stamens 5, subperigynons. Filaments 

 compressed, thickish, subdilated below. Anthers ovate-globose. Staminodia none. 

 Nectary small, annular, depressed, somewhat fleshy. Ovary superior, depressed. Style 

 terete, thickish. Utricle depressed. Calyx angulate, involute, not entirely closed. 

 Pericarp distinct, membraiiaceoiis. Seed horizontal, lenticular, strongly depressed. 

 Testa crustaceous. DC. Prodr., 13, 2d pt. 



