Parnassia. SAXIFRAGACE^l 201 



* * Calyx i^hort-campa.nvlnte a7id greenish. 



H. oi.ABRA, Willd., is a slender .species, a foot or two liigh, nearly glabrous except the calyx ; 

 leaves acutely lobed and incised ; panicle loose : from Oregon near the coast to Alaska. 



2. H. micrantha, Dougl. Scape or few-leaved flowering stems a foot or two 

 high: loaves rouiul-corclate or ovate-cordate, 2 to 4 inches in diameter, obtusely 

 lobcil, crenate-toothed : petioles and at least the veins or ribs beneath hirsute, often 

 with rusty hairs : ilowers in an ample loose panicle : calyx a line or in fruit sorae- 

 timoa 2 lines long, mostly acute at base, shorter than the slender pedicels, merely 

 puberulent or glandular; tiio lol)pa erect : lilameiils, styles, and petals slender and 

 exserted. — Lindl. J5ot. Keg. t. 1302. //. Barharosm, Tresl, IJcl. Ilicnk. ii. 5G. 



Woods in the Coast Ranges and tlic Sierra Novsida, from Monterey and Mariposa counties 

 northward, extending to the borders of British Columbia. .Styles variable, llartwcg's plant from 

 Monterey, namnd //. pi/osisswi'i in PI. llartw. 311, No. 1142, is intermediate between this and 

 the most open and least hairy forms of the next, but seems to belong here. 



3. H. pilosissima, Fischer & Meyer. Very villous-pubescent or hirsute with 

 spreading viscid hairs : scapes or few-leaved flowering stems a foot or two high, 

 rather st«iut : loaves round-cordato, obtusely lobed and crenatc, 1 to 3 inches in 

 diameter : flowers in a close and clustered or sometimes loose panicle, usually as 

 long as their pedicels : calyx somewhat globular, being rounded or obtuse at base 

 and the broad short lobes more or less incurving, 1| to 2^ lines long, densely hairy : 

 filaments, short styles, and narrow spatulate petals little exserted. — - Ind. Sem. 

 Hort. Petrop. v. 56. //. hispida, Hook. & Arn. Bot. Beechey, 347, not of Pursh. 

 //. hirtijlora, Torr. & (Jray, ¥\. i. 582. 



FroTn near Monterey or San Frnncisoo to Tlumboldt Co., in the Coast Ranges. Apparently varies 

 into smoother forms, with calyx much less hairy. 



§ 2. Flowers spicate or nearhj so : subulate filaments mvch shorter than the elongated- 

 oblong and erect lobes of the calyx. 



4. H. cylindrica, Dougl. Commonly hir.suto and above glandular-pubescent : 

 leaves round-reniform or cordate-ovate, crenately doubly toothed and commonly 

 lobed (1 to 2 inches broad or sometimes smaller) : scape generally leafless, 10 to 24 

 inches high : greenish flo^yers 3 to 5 lines long, almost sessile ; the cylindrical spike 

 or thyrsvis H to 4 inches long : petals inconspicuous or none : styles very short. — 

 Hook. Fl. i.'237; Lindl. Bot. Uog. t. 1024. 



Common in Oregon, Nevada, &c., chieny in the interior ; probably in Northern California. 



9. PARNASSIA, Tourn. GaAss-OF-PAUNA.ssus. 

 Calyx 5-parted ; the base free from or adnato to the base of the ovary ; the divis- 

 ions oval or oblong, herbaceous, somewhat imbricated in the bud. Petals oval or 

 oblong, imbricated in the bud, conspicuously veined, widely spreading, tardily 

 deciduous. Stamens 5, alternate with the petals : filaments subulate, persistent : 

 anthers 2-cellod. Appendages or sterile stamens a cluster of more or less united 

 glan<l-tipped filaments at the base of each petal. Ovary ovate, entire, one-celled, 

 with 4 or sometimes 3 parietal placentic : stigmas as many, closely sessile and very 

 obtuse, directly superposed over the placentae. Capsule 3 - 4-valved from the apex ; 

 the valves bearing the many-seeded placentfe on their middle. Seeds with a thick- 

 ish and somewhat Avinged loose coat, and little or no albumen. — Smooth acaules- 

 cont perennials; with entire and rounded or reniform petioled leaves in a cluster on 

 the short rootstock, slender simple scapes, not rarely bearing a small and sessile 

 leaf or two, and a handsome white terminal flower. Petioles with somewhat scari- 

 ous-dilat«d base, but no stiptdes. 



