GERMINATION OF TREES AND SHRUBS 
77 
Ranuncui,ai.es 
Blerberidaceae 
Berberis macrocantha (‘‘No. 7” from Sargent, Arnold Arbor- 
etum). See figure 10, C. 
Seeds collected, 1918; planted in earth on bench in greenhouse 
Nov. 20, 1918; germinated April, 1919. 
Hypocot3d three-fourths inch above the ground. Cotyledons 
oblong, fleshy with very short stalk, paler underneath, slightly 
tinged with purple, a few hairs. First leaf reniform or cordate, 
spinose-dentate ; upper surface conspicuously three-veined, with 
reticulations, smooth, lower surface pale. Stem smooth, stipules 
small. Second leaf smooth; petiole one-fourth to five-sixteenths 
inch in length. Root with yellowish tinge. 
Berberis laxiMora oblanceolata (“No. 22,” from Sargent). See 
figure 10, D. 
Seeds received fall of 1918; planted in greenhouse Nov. 20, 
1918; first seedling appeared April 1, 1919, the second on April 
28. 
Epigaeous. Hypocotyl erect, terete, one-half to three-fourths 
inch in length, slightly tinged with purplish green. Cotyledons 
oblong, obtuse, fleshy, with very short stalk. A few hairs on the 
cotyledon. First leaves simple, alternate, petioled, stipulate; glab- 
rous, reticulately-veined, spiny, serrate, reniform or cordate, green 
above, glaucescent underneath. Some spines of the margin di- 
rected upwardly. Stem suffused with red. Petioles filiform. 
Stipules minute, adnate to the petiole. Root and lower part of the 
stem yellowish. 
Citrus Decumana Li Grape fruit. See figure 10, E. 
Fresh seed planted January, 1919; germinated March, 1919. 
Germinated hypogaeous; cotyledons remaining in the seed; 
greenish white in color, oblong, obtuse, fleshy. First pair of 
leaves roundish to ovate, one and one-half inches long, bright 
green, nearly opposite, fleshy. Stem mottled ; a few hairs present. 
Petiole short, not articulated to the stem, slightly pubescent. Sec- 
ond pair of leaves ovate, bright green, with slight pubescence. 
Third pair of leaves like the preceding; not articulated. Root 
long, straight, whitish. 
Rh AM MALES 
Vitaceae 
Ampelopsis heterophylla Blume. Woodbine. See figure 10, F. 
Seeds collected fall of 1918 ; planted in greenhouse bedding soil, 
March 8 ; germinated April 20, 1919. 
