198 Onagrariea-—Epilobium. 
ordinary wild one in its larger flowers and shorter seed-vessels. 
There is also a good white variety. 
2, ZAUSCHNERIA. 
A genus of one herbaceous species having the same 
quaternary structure of the flowers and plumose seeds as 
Epilobiwm, but the calyx is coloured, and the tube prolonged 
above the ovary. A commemorative name. 
1. Z. Californica.—A much-branched dwarf plant bearing 
sessile linear-lanceolate pubescent leaves and axillary solitary 
sessile scarlet flowers with a long slender projecting style, 
resembling those of a Fuchsia. It is a native vf California, 
flowering in June. 3 
3. CLARKIA. 
Elegant slender branching annual plants with linear or 
lanceolate leaves and solitary or racemose flowers. Parts of 
the flower in fours. Petals clawed, often deeply 3-lobed. 
Capsule linear, many-seeded ; seeds 
neither plumose nor winged. Only 
four species are known, all from 
North-west America. Named after 
Captain Clark, a traveller. 
1.C. pulchélla (fig. 105). This 
stows from 18 inches to 2 feet high, 
with glabrescent linear leaves and 
large flowers haying deeply trilo- 
bate petals with a pair of small op- 
posite teeth on the claws. Under 
cultivation this has given birth to 
a double variety, and the flowers 
vary in colour from lilac-purple to 
white. There is alsoa variety with 
entire petals. 
2. C. élegans.—A rather smaller 
flowered species. Leaves lanceolate, 
dentate. Petals entire, without 
Fig. 105, Clarkia pulchella. teeth on the claw. 
(4% nat. size.) 
C. gauroides, syn. C. rhombordea, 
is a less attractive species with smaller purplish flowers. 
