440 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
WATSONAMRA Kuntze. 
Peniagonia Benth. Bot. Voy. Sulph. 105. pl. 39. 1844, not Vent. 
Watsonamra Kuntze, Rev. Gen. Pl. 1: 302. 1891. 
Type species, Pentagonia macrophylla Benth. 
KEY TO THE SPECIES. 
Leaves entire. 
Leaf blades sessile or subsessile. 
Corolla red, the lobes spreading; calyx lobes not 
more than half as long as the tube____-___ 1, 
Corolla yellow, the lobes € ect; calyx lobes as 
long as the tube__--------------- 2. 
Left blades on long petioles. 
Calyx not glandular within__ -_.. 3. 
Calyx glandular within. 
Leaves finely soft-pubescent on both sur- 
faces; corolla hirtellous_____...__--__ 4, 
Leaves glabrous, or the veins beneath ap- 
pressed-pubescent; pubescence of the 
corolla appressed. 
Bracts deciduous; corolla lobes oblong, 
twice as long as broad, densely 
pubescent outside; calyx tube 
Bracts persistent; corolla lobes ovate, 
nearly as broad as long, sparsely 
pubescent; calyx tube turbinate__ 6. 
Leaves pinnatifid. 
Petioles not auriculate at the base. 
Inflorescence closely sessile, many-flowered ; 
petioles winged to the base; fruit densely 
tuberculate__ ~~~ 10. 
Inflorescence short-pedunculate, few-flowered ; 
petioles winged on the upper half, naked 
below ; fruit sparsely tuberculate________ 11. 7 
Petioles auriculate at the base. 
Calyx 30 mm. long, tubular, appendaged within 
at the base, the lobes 3 mm. long or less; 
corolla only slightly exceeding the calyx__ 7. 
Calyx 12 to 20 mm. long, cylindric-campanulate 
or tubular, not appendaged within, the 
lobes one-third as long as the tube or 
longer; corolla twice as long as the calyx 
or longer. 
Auricles nearly half as long as the petioles; 
calyx tubular, 20 mm. long, the lobes 
one-third as long as the tube; inflor- 
escence many-flowered; bracts oblong 
WwW. 
W. 
W. 
4 
W 
W. 
WwW, 
1841, 
magnifica. 
wendlandi. 
spathicalyx. 
’, pubescens, 
. donnell-smithii. 
. macrophylla. 
tinajita. 
. gumnopoda, 
pinnatifida, 
or narrowly oblong, 10 to 20 mm. long. 8. W. pittieri. 
Auricles less than one-fourth as long as the 
petioles; calyx cylindric-campanulate, 
15 mm. long, the lobes half as long as 
the tube; bracts broadly ovate, 5 to 10 
mm. long - -. 9, W. brachyotis. 
