118 PENTANDRIA. MONOGYNIA. 



Species. 1 E. J^yctelea. ^. *ambigua. Decumbent, 

 and branching-; stem glabrous, somewhai glaucous; leaves 

 hirsute, Ixrate-pinnatifid, subses ile. segnrients siiblanceo- 

 late, angularlv toothed or lobed; racemes opposite ihe 

 leaves, both lateral and terminal; flo'^ ers small, scarcely 

 loiig-er than the calix, segments eniarg;inate. 



Annual. Stem spreading, 4 to 6 inches hig-h. Calix 5- 

 parted, segments lanceolate-ovaie, persistent. Corolla 

 subcampanulate, shoi-t, 5- cleft, laminae short, roundish- 

 oval, emarginat°, tube cylindric, upper pai t angular, with 

 10 nectarifer us pores al its base. Sianiina from the base 

 of the tube; filaments stiort, not exserted; anthers cordate. 

 Style very sliort, bifid. Ovarium conic-ovoid. Capsule 

 compressed, rounded-oval, 2-valved, 4-celled, 4-seeded; 

 ' Valves septiferous, dissepmients, intersecting, crossing 

 each valve in iwo directions. Seed roundish, punctate. 

 Peduncles reflected, wi.en m fruit. 



Fn alluvial soils on the banks of the Missouri; common; 

 flowering in April and May. 



A North American genus, 



ISO. ANDROSACE. L. 



Flowers in an involuorate nmbelK — Calix S- 

 cleft, persistent. Corolla salverforni. 5 lobed, 

 tube ovate, orincf J2;]iindul;iiis. Cavsuk 1-ceiietl, 

 ovate-.^Iobose, 5 valved, m my-sveded. 



Annual or perennial Leaves radical; scapes num.erous; 

 calix often angular; flo vei- usuali. small, and white. 



Species. 1. ^- occUlentuiis. Annual. Leaves ovate, 

 smooth, rather thick, and entire. Scapes so'itar}, or se- 

 veral from the same rooi, 1 lO 3 inches li'.gii, minutely pu- 

 bescent. Leaves of the involucrum oval, pedicells long, 

 1-flowered. Culix smooth, acute, angular, membranace- 

 ous betwixt the segments. Corolla a little shoiter than 

 the calix, salverform, white, orifice open, tube (A-ate, seg- 

 ments oblong, obuise. L:a[>sule globular, 1-celled, 5-valv- 

 ed. Seeds numerous, angular. 



On dry and elevaU d plains, from the Maha village to 

 the mountains, near t!ie river Missouri; flowering in April. 

 Probably a niere variety oWi. elongatu, but the leaves are 

 entire, and the umbell oi the same length both in flower 

 and fruit. 



The genus Androsace is almost exclusively confined to 

 Europe, and most of the species are alpine; there is at the 

 same time, out of 12 species, 1 in Siberia, 1 in Cappado^ 



