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60 ONAGRACE®. (EVENING PRIMROSE FAMILY.) 
4. GANOTHERA, L, 
‘Calyx tube more or less prolonged beyond the ovary; segments reflexed. Petals 4; in 
our species yellow. Stamens 8, equal, or those opposite to the petals shorter. Style 
filiform; stigma 4-lobed or capitate. (See ADDENDA.) 
* Acaulescent. Calyx-tube filiform above the under-ground ovary. 
Jueaves ovate: to lanceolatews.0 seinesivine eons wimenresesaeons irelaceiave erste a. ovata. 1 
Leaves linear....... teMwskinmedeueien Pe re ee re .....C&. graciliflora, 2 
* * Caulescent. Calyx-tube obconic; capsule sessile, linear. 
Leaves thick; flowers small; capsule thick..................Ca, cCheiranthifolia. 3 
Flowers large; petals with a spot at the base...... eateieict coecesees.-Ch. bistorta. 4 
Flowers small; capsule contorted.............+- sseeseeedcecessO3. Micrantha, 5 
Slender, leaty annuals; leaves linear; flowers small; capsule narrowly linear. 
Flowers rarely reddening............-.. JisbKs debtors bearewednc. Cs. CGentata,. 6 
Flowers usually reddening.......0.-.cssccncccesccccececcrecees Ga, strigulosa. 7 
1. CG, ovata, Nutt. The radical leaves 4 to 6 inches long; calyx-tube scape-like, 
1 to 4 inches long. 
2. G&. graciliflora, Hook & Arn. Canescently villous; calyx-tube equaling the 
leaves, 6 to 18 lines long; petals obcordate, 3 to 5 lines long, smaller than the last. 
3. CS. cheiranthifolia, Horn. Canescently pubescent; stems decumbent or ascend- 
ing, 2 ft. long or more; leaves oblong or narrowly oblanceolate, sometimes broadly ovate 
or cordate, 4 to 24 inches long, mostly entire, the lower petioled, the upper often clasp- 
ing; ovary and calyx villous; flowers 2 to 5 lines in diameter; capsule 4 to 8 lines long. 
Near the sea on drifting sands. 
4, C&. bistorta, Nutt. Less common than the last; distinguished by its petals, 4 
to 6 lines long, usually with a brown spot. 
5. Ci. micrantha, Horn. A variable species distinguished from the last by its 
flowers, only 2 to 4 lines in diameter, with the petals sometimes 3-lobed; and by the con- 
torted slender capsules, 8 to 18 lines long. ; 
6. C3. dentata, Cav. A span high or less; leaves linear, sessile, denticulate, 6 to 
18 lines long; petals rounded, 2 to 4 lines long; capsule slender, attenuate, an inch long 
or more. 
7. Ci, strigulosa, Torr. & Gr. Like the last; the capsule obtuse, scarcely attenu- 
ate. More common than the last. 
Giuothera, diennis, L., the Zvening Primrose. if found, may be known by its tall, 
erect stem and large flowers. 
