298 
I.Vlt. PEIMULACE* 
corolla-tube ; and short-styled, with the stamens at its mouth. These forms are 
important in connection with cross-fertilisation by bisects. See Darwin’s 
Forms of Flowers, chap. i. 
Flowers usually purple or lilac, sometimes white. 
Flowers crowded in a terminal, head-like umbel . . 1. P. denticulcita. 
Flowers solitary on distinct, radical stalks . . . 2. P. petiolaris. 
Flowers yellow, whorled 3. P. fioribunda. 
1. Primula denticulata, Smith ; FI. Br. Lid. iii. 485. Slightly 
mealy. Leaves waved and wrinkled, sessile or narrowed into 
short, broad stalks, oblong-spathulate, 2—4 in., enlarging after 
flowering; teeth very small, sharp, unequal. Flowers varying 
from dark purple to pale lilac, crowded in a globose, head-like 
umbel terminal on a single, naked, radical stalk 4-12 in. long. 
Corolla salver-shaped, about \ in. diam. ; lobes notched. (Fig. 91.) 
Simla, common on Jako ; March, April.— Temperate Himalaya, 7000-13,000 
ft. — Afghanistan, Burmah. 
2. Primula petiolaris, Wall . ; FI. Br. Ind . iii. 493. More or less 
mealy at least on the buds. Leaves thin, membranous, sessile or 
narrowed into a winged stalk, oblong or ovate, 2-6 in., sharply and 
