SUPPLEMENTUM. 
plici unifloro, foliis linearibus integerrimis enervibus, 
calycibus hirsutis. 
B. uniflorum. Willd.sp. pl. 3. p. i 960 ? 
In Upper Louisiana. Bradbury. 1/ . v. s. in Herb. 
Bradbury , Not above five inches high 3 flowers large, 
ray white and long. 
Galardia acaulis. — G. pilosa 3 scapo unifloro, foliis lineari- 
spathulatis, paleis pappi (5 — 7 ) ovatis brevi-aristatis. 
In Upper Louisiana. Bradbury . I/ . v. s. in Herb. 
Bradbury. Not above a span high 3 flower small, sim- 
ply yellow. 
Iva axillaris. — I. herbacea, subpilosa ; foliis plerumque op- 
positis lineari- lanceolatis integerrimis, floribus axillari- 
bus solitariis nutantibus, calycibus simpliciusculis, fo- 
liolis ovatis. 
In Upper Louisiana. Bradbury. ©. v. s. in Herb. 
Bradbury. About a span high 5 flowers white. 
Ambrosia hispida. — A. undique canescenti-hispida 3 foliis 
bipinnatifidis, laciniis incisis, racemis terminalibus sub- 
paniculatis. 
In South Carolina. Catesby . ©. v. s. in Herb. Sherard. 
About a foot high 3 flowers larger than A. trijida. 
Orchis herbiola. — O. cornu filiformi germine breviore, la- 
bello oblongo obtuso basi utrinque dentato 3 palato uni- 
dentato, bracteis flore longioribus. 
Habenaria herbiola. Brown in Ait. hew. ed. 2 . vol. 5. 
p. 193. 
In North America. Fothergill. I/. -f. This species, 
unknown to me, appears to approach near to Orchis 
fuscescens. 
Aristolochia tomentosa.—A. caule volubili frutescente, foliis 
petiolatis cordatis subtus tomentosis, pedunculis solita- 
riis ebract eatis, corollae tubo retorto ; limbo subaequa- 
liter trifido : ore hiante. Sims in hot mag. 13 69 . 
On the mountains of South Carolina. Lyon. ^ • June. 
v. v. Resembles A. Sipho. Flowers yellow. 
Alnus glauca — A. foliis oblongis acutis duplicato-serratis 
subtus glaucis, axillis venarum nudis, stipulis lanceola- 
tis. — Mich. arb 3. p. 322. t . 4. 
In New ngland and on the high mountains of Pensyl- 
vania. I 9 . March . April, v. v , This shrub, which 
is known by the name of Black Alder f has a strong re-» 
semblance to A , incana. 
Vol. ii. 2 e 
743 
p. 57 3. 
p. 580. 
p. 581. 
p. 587» 
p. 590. 
p. 622, 
