402 SUPPLEMENT. 



flowered, overtopped by the leaves : corolla dull purple : hoods paler, little shorter than the 

 anthers, the thickish body almost orbicular, equalled or slightly surpassed by the thin and 

 ovate-triangular auricles or lateral appendages, the horn a semi-oval and shorter lamella of 

 similar texture. — Eot. Gazette, v. 64. — Near Silver City, New Mexico, Greene, Colorado, 

 Hall & Harbour, no. 418, and Green River, Wyoming, Parry. These had been referred to 

 A. brachy Stephana. 



A. involucrata, Engelm., p. 94. The leaves which usually subtend the umbel, like an 

 involucre, are sometimes below it and scattered. 



The succeeding subsection c. on p. 95 to be altered as follows, the added species all having 

 the follicles arrect on the decurved pedicels. 



c. Leaves very narrow and slender, sessile: hoods equalling or surpassing the anthers. 

 1. Leaves opposite. 

 A. macrotis, Torr., p. 95. Filiform branches often a foot or more long, numerous in 

 diffuse tufts from lignescent stem : hoods with very long acumination. The larger speci- 

 mens coll. in S. Arizona, Pringle, Lemmon. 



A. quinquedentata, Gray ; transfer from p. 97. Follicle slender-fusiform, 4 inches long, 

 barely puberulent. — New Mexico and Arizona, Greene, Lemmon, Pringle, some with rather 

 smaller flowers, var. Neo-Mexicana, Greene in Proc. Am. Acad. xvi. 103, but not needing a 

 varietal name. There is really no dorsal tooth to the horn in the original specimen, that 

 so called in the original description being only the middle tooth of the hood, up to which 

 the horn is adnate. 



2. Leaves alternate. 



A. Linaria, Cav. ; transfer from p. 97. Habit nearly of A. verticillata, but with frutescent 

 and branching stems, thickly beset with almost filiform irregularly alternate or at most im- 

 perfectly vertieillate leaves : column hardly any : horn included : arrect follicles ovate and 

 acuminate. — Ic. PI. i. 42, t. 57; Gray, Proc. Am. Acad. xii. 71. A. pinifolia, Greene, 

 Bull. Torr. Club, viii. 5. — Mountains in the southern part of Arizona, Greene, Pringle, 

 Lemmon, Parish. (Mex.) 



A. Curtissii, Gray. To follow A. obovata, p. 95. Merely puberulent, glabrate: leaves 

 oval, more petiolate than in A. obovata, and distinctly lineate by the ascending-transverse 

 primary veins : umbels few or solitary, short-peduncled, rather few-flowered : flowers yellow- 

 ish green : hoods somewhat hastate-lanceolate, erect, much surpassing the anthers, the thin 

 auriculate supra-basal margins inflexed ; horn falcate-incurved, broad, the tip assurgent : an- 

 ther-wings short, broad, acute-angled: column very short. — Proc. Am. Acad. xix. 85; 

 Chapm. PI. ed. 2, 643. — S. E. Plorida, A. H. Curtiss. — To follow this, although requiring 

 a new subdivision : — 



A. Lemmoni, Gray. Tall and robust, leafy, villous-hirsute, but the foliage glabrate : 

 leaves large (5 to 10 inches long), oval or oblong, with- rounded or retuse apex and emar- 

 ginate almost sessile base, transversely veiny : umbels conspicuously peduncled, many- 

 flowered : petals 4 or 5 lines long, ovate, glabrous, yellowish green : stamineal column as 

 broad as high : hoods apparently white, 4 lines long, very much surpassing the anthers, 

 ovate-sublanceolate, spreading towards the summit, angulate-toothed on each side at base ; 

 horn broad and falcate, acutish: follicles 4 inches long, pubescent. — Proc. Am. Acad. xix. 

 85. — Mountains of S. Arizona, Lemmon, Pringle. 



A. nyctaginifolia, Gray, p. 95. Char, partly corrected on the page. Add : Follicles short, 

 ovate, cinereous-puberulent. — A. Wrightii, Greene, ined. ; Gray, Proc. Am. Acad. xvi. 102. 

 In Wright's collection partly confounded with A. longicornu, which it approaches. — W. 

 Texas, New Mexico, Arizona, and borders of California, Wright, Eeverchon, Palmer, Greene, 

 Pringle, Lemmon. 

 A. virgAta, Lag., mentioned p. 96. Name gives place to A. angustif6lia, Schweigger, 



Emim. PI. Hort. Regiomont. 1812, 13 ; Rcem. & Schult., &c. (A. virgata, Balbi, &c, A. linifolia, 



HBK., &c), a Mexican species. Consequently 



A. Michauxii, Decaisne in DC. Prodr. viii. 569, is the proper name for the A. angustifolia, 

 Ell. on p. 97. 



