ORDER LIX. SAXIFRAGACE^E. 323 



1. S. telephioi'des, (Mich.) Stem erect, branching. Leaves broad 

 lanceolate, alternate at the base, glabrous, toothed. Flowers in termi 

 nal corymbs, dense. Stamens 10. Petals ovate-lanceolate. — Pale pur 

 pie. If . June — Aug. Mountains. 1 foot. Live Forever, 



2. S. terna'tum, (Mich.) Stem creeping, branching from the base 

 Leaves fiat, glabrous, entire ; the lower ones verticillate by threes 

 broad, cuneiform, obovate ; the upper ones sessile, oval, or lanceolate 

 Flowers in a 3-spiked cyme. Stamens 8, with the exception of the ter 

 miual ones, which have 10. Petals linear-lanceolate, acute. — White 

 If.. May — June. Mountains. Stone-crop, 



3. S. pulchel'lum, (Mich.) Stem glabrous, assurgent. Leaves linear, 

 flattish, obtuse, scattered, sessile, numerous. Flowers in a many-spiked 

 cyme, crowded, unilateral, sessile, octandrous; terminal one commonly 

 decandrous. Sepals lanceolate, obtuse. Petals lanceolate, acute. — 

 Purple or rose-color. If. May — June. Mountains. 4 — 12 inches. 



Genus II— DIAMOR'PHA. Nutt. 8—4. 



(From the Greek diamorphoo, to deform, from the irregular form of the fruit in ref- 

 erence to the order.) 



Sepals 4, united at the base, obtuse. Petals 4, concave. 

 Stamens 8, with purple, nearly round anthers. Carpels 4, with 

 minute, obcordate scales at their base. Seeds 4 — 8. A succu- 

 lent, biennial herb, branching from the base. 



1. D. pusil'la, (Nutt.) Leaves alternate, oblong, nearly terete. 

 Flowers small, in corymbose cymes. Fruit not dehiscing by either 

 suture. — White. $ . March. On flat rocks. Upper part of Geo. 



Genus III.— PENTHO'RUM. Gron. 10—5. 



(prom the Greek pente, five, and horos, a boundary, in reference to the five beaks by 

 which the capsule is bounded.) 



Calyx 5-cleft. Petals 5 or none. Stamens 10. Carpels 5, 

 uxv'ted into a 5-angled, 5-celled capsule, with 5 diverging 

 benks. Seeds minute, numerous. Perennial plants, with al- 

 ternate, serrate leaves. 



1. P. sedoi'des, (L.) Stem branching, terete at the base, angled 

 above. Leaves lanceolate, nearly sessile, glabrous, doubly serrate. 

 Flowers in paniculate spikes ; calyx with ovate, serrate segments. 

 Seeds elliptical. — Greenish-yellow. 2f . July — Sept. Wet places. 1 

 — 2 feet. Virginia Stone-crop. 



Order LIX.— SAXIFRAGA'CEJE. 



Sepals 4 — 5, united or distinct. Petals as many as the sepals. 

 Stamens usually as many as the petals, inserted with the petals 

 into the calyx. Ovary of 2 — 5 carpels, either free from or co- 

 hering to the calyx, 1 -celled, with parietal placentae, or with as 

 many cells as carpels, with central placentae ; ovules usually 

 numerous. Fruit a capsule, and generally with a septicidal 



