1919.] NATURAL SCIENCES OF PHILADELPHIA. 231 
VI. ANGELONIEZ. 23. Angelonia. 
VII. ANTIRRHINE#. 
Plants glabrous. Flowering stems erect. Leaves linear, only 
woe bat int small ones with axillary or Pedicels 
r 10 mm. long. : 
Hake pe ie Flowering stems prostrate. aay Gite to 
os ae cag nearly all with axillary flowers. Aeatsiag over 
m. long. 25. Kickxi 
VIII. VERONICE, 
Leaves whorled. Corolla white, its lobes shorter than the tube. 
Capsule acute, longer than broad, av ~~ tened. Plant 
10—20 dm. tall. 6. Veronicastrum. 
Leaves ioe or alternate. Corolla blue . white, its lobes 
longer than the tube. Capsule at a8 asia notched, 
broader than long, flattened. Plants 
"D7. Veronica. 
IX. BUCHNERE#. 
Corolla not blue, with open orifice. Stamens all with epi 
two-celled, lanate. Filaments and style nearly as lon 
or longer than the tube of the corolla. Capsule denartd 
from the calyx-tube. Pedicels not bracted. 
Corolla tubular, orange, with thickened pate fleshy, semi- 
persistent, shriveling and _ blackening before falling. 
Filaments equal, long-exserted, pubescent with beaded 
hairs. Anther-sacs closely parallel, 6-7 mm. long. Pedi- 
cels deflexed in fruit. 28. Macranthera. 
Corolla with inflated throat and spreading lobes, yellow or 
pink, membranous, soon falling. Filaments or long- 
exserted, pubescence not beaded. Anther-sacs less than 
mm. long. Pedicels erect or permanently spreading. 
Anther-saes ino a with a few bristle-like hairs at 
apex rt, punctiform or capitate. Fila- 
ments damtodfataned and: pubescent. Corolla yel- 
] 
ow 
Corolla densely pubescent within on all sides, its lobes 
all distinct and slightly shorter than the tube. 
Filaments clearly didynamous, ranean ne pe eg 
cent throughout. Anther-sacs each o y a 
slit its entire length. Style short, thick, eet or 
less bilobed, persistent and reflexed on the _ 
Pedicels 1-2 mm. long. Plant stout, 15-20 dm 
tall, the leaves 10-30 cm. long. 29. Dasistoma. 
Corolla ‘slightly pubescent ke (in a ring about the 
base of the filaments and below posterior sinus), its 
lobes longer than the tube, the two posterior united 
rae one-half their length. Lingerie nearly 
equal, dilated and pubescent at base. Antk 
each opening by a slit one-sixth io ‘bas tourth its 
length. Style long, slender, entire, deciduous, 
