Class XV. 
TETRADYNAMIA. 
545 
9048 Silicles pubescent somewhat ventricose 
9049.Silicles compressed flat elliptical smooth 
9050 Silicles flat elliptical downy 
9051 Pedicels longer than calyx 
9052 Calyx bisaccate. Leaves oblong entire smooth ; lower ciliate subspatulate 
9053 Calyx equal somewhat spreading and leaves velvety oblong entire or sinuate toothed, Stem herbaceous 
9054 Calyx deciduous, Leaves oblong entire or repand wavy hoary with down 
9055 Stems | shrubby at base subcorymbose, Leaves lane, entire downy. Pods obov. orb. 2-seeded, Seeds edged 
9056 Stems ^ shrubby at base panic. Leaves lane, nearly entire velvety, Pods roundish 2-4-seeded, Seeds edged 
9057 Stems | shrubby at base hoary with stellate down, Lvs. obi. spatul. silvery beneath, Pods ovate roundish 
9058 Stems I shrubby at base hoary with stellate down. Leaves obi. obov. silvery beneath. Pods elliptical 
9059 Stems ^ shrubby at base hoary with stellate down. Leaves obi. nearly acute whitish beneath. Pods ovate 
9060 Stems g shrubby at base twisted diffuse hoary. Leaves hoary sublanceolate. Racemes corymbose 
9061 Stems A shrubby at base diffuse hoary. Leaves obovate hoary, Racemes simple. Pods ovate oblong 
9062 Stems diffuse pubescent. Leaves hoary : lower obovate ; upper oblong, Racemes simple 
9063 Stem erect, Flowering branches panic. Lvs. lanceol. downy. Pods roundish elliptic, little longer than style 
9064 Stem erect. Leaves lanceolate. Pods hirsute in long racemes twice as long as st.y.le 
9065 Stems diffuse. Leaves lanceolate or somewhat linear hairy, Pods roundish rough 6 times as long as style 
9066 Stems diffuse, Leaves linear lanceolate hoary, Cal. persistent, Pods four times as long as style 
9067 Stems diffuse. Leaves linear lanceolate hoary, Pods roundish emarginate smooth 
9068 Stem erect, Leaves velvety oblong sinuated : upper linear, Cal. spreading, Petals bifid 
9069 Stems half shrubby at base procumbent, Leaves lin. lanceol. acute somewhat hoary, Pods oval smooth 
9070 Stems half shrubby at base somewhat erect, Rad. lvs. obl.-lanc. acute silvery : caul, few lin. Pods woolly 
9071 Stems | shrubby ascend. Lvs. obi. obt. narrowed at base scaly. Pods roundish smooth twice as long as style 
9072 Stem shrubby, Branches and old peduncles spiny, Leaves obi. linear silvery. Pods round smooth 
9073 Stems difiUse or ascending 
9074 Cauline leaves sagittate stem-clasping. Pods flat smooth 
9075 Leaves sessile 3-5-fid at end cuneate at base 
9076 Scapes naked smooth. Leaves rigid linear lanceolate keeled ciliated, Stamens as long as petals 
9077 Scapes naked smooth. Leaves long linear keeled ciliated. Stamens scarcely as long as calyx 
9078 Scapes naked smooth. Leaves linear keeled rigid ciliated, Style as broad as hairy pod but twice as short 
9079 Scapes naked downy, Leaves lanceolate flat hairy. Hairs branched. Pods oblong. Style very short 
9080 Scapess downy with 2 toothletted leaves, Rad. leaves obi. nearly entire downy. Pods smooth 
9081 Scapes naked or 1-leaved downy, Leaves lane, hairy nearly entire, Pods lanceol. pubescent 
9082 Scapes 1-leaved pubescent. Leaves ovate obi. with a short starry down. Pedicels downy. Pods oblong 
9083 Stem leafy branched velvety with starry down. Leaves ovate toothed. Pod obi. smooth somewhat twisted 
9084 Stem leafy branched velvety with starry down. Leaves obi. somewhat toothed. Pods obi. pubescent 
9085 Stem branched leafy downy, Leaves ovate toothed downy, Pods ellipt. obi. many-seeded (32-36) velvety 
9086 Stem branched leafy downy, Lvs. ovate toothed subcord. stem-clasping somewhat hairy. Pods smooth few- 
[seeded (12-16) 
9087 Pods elliptical shorter than stalk. Scapes 5.15-flowered 
and Miscellaneous Particulars. 
1402. Clypeola. From clypeus, a buckler, in allusion to the form of its silicle, A little annual plant, hoary, 
with stellate pubescence. 
1403. Peltaria. A name with the same meaning and application as the last : srar?? signifies in Greek a 
small buckler. 
1404. Petrocallis. From ^it^ov, a rock, and xctXo;, beautiful, in allusion to the rocky places where it grows, 
and which it enlivens with its elegant tufts of rose-colored flowers. 
1405. Braba. From S««/3vj, acrid, biting, according to Linnasus. Little annual or perermial plants, found, 
for the most part, in the cold mountamous countries of Europe ; a few are also found in America. Some of the 
species have siliques, others silicles. 
1406. Erophila. A penus divided from Draba, on account of its bifid petals ; and deriving its name from 
»5C. tjje^pring, and <fiXtoj, to love, in allusion to the time of the year when it appears. 
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