OAK FAMILY 



353 



facing the sea. "Wood hard but brittle and used only for fuel. Called also 

 Burr Oak, "Weeping Oak, Roble, "White Oak, ]\Iush Oak, Swamp Oak, Bottom 

 Oak and "Water Oak. 



Forma argillora Jepson n. form. Tree mostly or quite destitute of pendulous 

 brauohlets; bark smoother, often whitish and simulating Blue Oak bark; leaves 

 usually very deeply and narrowly lobed, often persistent through the winter. — 

 (Arbor ramulis pendulis nullis vel paueis; cortex levior, albineus; folia pinna- 

 tifida, profundis lobis angustis, per hiemen sivpe persistantia). — Clay hills, as 

 on the Araquipa Hills, Solano Co. 



Fig. 64. Qi'EECUS lobata Nee var. w.\lterii Jepson. (i. Leaf; b, acorn, nat. size 



Forma insperata Jepson n. form. Leaves narrow, % to I14 inches broad, li/^ 

 to 214 inches hmg; cups strongly tuberculate, not so deep as in type; nuts 

 rather smaller, I14 to 1% inches long. — (Folia angusta, profunde pinnatifida, 

 %: to 114 poll, lata, 11/2 to 214 poll, longa; eupulaj tuberculatie, minoris alti- 

 tudinis quam in typo; glandes paulo minores, li/l ad 1% poll, longce), — Kaweah 

 River basin. S.-jOO feet, "Walter Fry, Nov. 1908. 



Forma rarita Jepson, n. form. Dwarfish or shrub-like; leaves smaller, deeply 

 lobed (li/o to 2 inches long, % to IV2 inches broad). — Pygmjea vel fruticosa; 

 folia minora, profunde lobata, 11/2 ad 2 poll, longa, % ad li/o poll. lata). — Near 

 chaparral areas as on Twin Sisters Peak ("W.L.J, no. 2384). 



Var. walterii Jepson n. var. (Fig. 64.) Leaves 3 to 4 inches long, nearly 

 as broad, sharply but mostly shallowly sinuate; cup large (1 inch broad) but 



