30 MISSOURI BOTANICAL GARDEN. 
H. ovata. 
Winter Characters. 
Bailey, Amer. Gard. xi. 386-7.— Brendel, /. c. 29, 30, 
pl. 2, f. 19, pl. 4, f. 17.— De Candolle, 7. c. 7.— Déll, 
Laubknospen Amentaceen, 21, f. 18.— Foerste, Bull. 
Denn. Univ. i. 30, f. 2.— Hitchcock, Key to Kas. Trees, 
6, f. 18; Pl. Manhattan, 18.— Rothrock, Forest Leaves, 
iv. 56, figures. 
Histological Characters. 
Brooks, Wood Sections, 15 (radial and tang. sects. 
wood.— The cross section is Fagus).— Hough, Amer. 
Woods, ii. 86 (3 sects. wood ).— Houlbert,/7. c. 162.— Mayr, 
Waldungen N. A. 158, figs.— Moeller, Anat. Baumrinden, 
311, fig.— Moeller, Vergl. Anat. Holz. 95, f.67.—Wiesner, 
Rohstoffe, 615, f. 79. 
Al. Pecan. 
Winter Characters. 
Brendel, 7. c. 31, pl. 2, f. 21.— De Candolle, 7. c. 7-8, f. 
3.— Foerste, Bull. Denn. Univ. i. 30, f. 8.— Hitchcock, 
Key to Kas. Trees, 6. 
Histological Characters. 
Houlbert, 7. c. 162. 
JUGLANS. 
General. 
Winter Characters. 
Beal, Amer. Nat. xv. 32.— Bésemann, Deutschland’s 
Gehélze im Winterkleide, 60.— Brendel, 7. c. 28.— Da- 
maskinos & Bourgeois, /. c. 610.— De Candolle, 7. ¢. 7-8.— 
Foerste, Bot. Gaz. 1892, 182-3, fig. 20.— Wilkomm, 
Laubhélzer im Winter, 6. 
Histological Characters. 
Brendel, 7. c. 31.— Flot, Ann. Sc. Nat. 7 ser. xviii. 72.— 
Foerste, Bot. Gaz. 1892, 186.— Gris, Ext. Moelle Pl. 
