^4 BOTANY. 



Speaguea^ umbellata, Torr. Plant. Fremont., p. 4, t. 1. Perennial, 

 with a short and thick caudex and subfusiform root ; leaves obovate-spatulate, 

 obtuse, entire; stems severd, (2-4' high,) with remote and smaller leaves; 

 spikes numerous, leafless, short-peduncled, with ovate membranous bracts at 

 base, in a terminal umbel or rarely somewhat panicled ; flowers on short ped- 

 icels ; petals shorter than the sepals ; style slender, equaling the stamens ; 

 stigma more or less lobed.— Northern California and near Mt. Adams, Wash- 

 ington Territory. At the Steamboat Springs and on the East Humboldt 

 Mountains, Nevada, at 5,000 and 10,000 feet altitude respectively ; May and 



August. (185.) 



Speaguea paniculata, Kell. Proc. Calif. Acad. 2. 187, t. 56. Stems 

 decumbent or prostrate, leafy-paniculate ; leaves mostly radical, nearly equal- 

 ing the stems, very minutely villous.— Possibly an unusually paniculate form 

 of the last. Collected by 0. H. Dorr at west base of Mt. Davidson, Nevada. 



Calyptridium^ eoseum. Glabrous, diffusely branched, decumbent ; leaves 

 alternate, oblong-spatulate, obtuse, attenuate at the base ; radical leaves few 

 or none; flowers in numerous axillary and terminal peduncled scorpioid 

 racemes; sepals very unequal, nearly orbicular; petals minute, rounded- 

 oblong, free or attached at the apex ; capsule oblong-ovate, not exceeding 

 the calyx, 6-12-seeded. — Stems 3-6' long, prostrate; leaves 1' or less in 

 length. The generic description below is shghtly changed from that given 

 by Nuttall, and by Bentham and Hooker, to include the present species. 

 Found in the Truckee and Monitor Valleys, and also collected by Dr. Torrey 

 near Empire City, Nevada; 4,200-5,500 feet altitude ; May and July. Plate 

 VI. Fig. 6. A plant ; natural size. Fig. 7. A flower, laid open and the petals 

 removed. Fig. 8. A mature capsule ; both enlarged four diameters. (186.) 



Lewisia^ eediviva, Pursh. Root fleshy, fusiform ; leaves densely im- 

 bricated on the short thick caudex, linear-oblong, thick and succulent ; scapes 



' SPEAGUEA, Torr. Sepals 2, orbicular-cordate, membranous-liyaliiie, persistent. Petals 4, hypo- 

 gynous. Stamens 3, opposite to the petals and adherent to them at base. Ovary free, 8-10-ovuled ; style 

 bifid. Capsule membranous, 2-Talved, globose-ovoid, compressed. Seeds laterally compressed, subreni- 

 form, shining. — Glabrous herbs -with radical spatulate somewhat fleshy leaves, small scarious stipules, and 

 flowers imbricate in dense soirpoid umbeled terminal spikes. Bbnth. & Hook. 



' CALYPTEIDIUM, NuTT. Sepals 3, broadly ovate or orbicular, nearly flat, hyaline, persistent. 

 Petals 2, somewhat adherent at apex, alternate with the sepals. Stamen 1, inserted opposite the lower 

 sepal. Ovary free, few-ovuled; style very short, bifid. Capsule oblong or oblong-linear, hyaline, 2-valved. 

 Seeds laterally compressed, orbicular, shining. — Annual diffuse herbs, with small flowers in subpaniculate 

 racemes. Bbnth. & Hook. 



^LEWISIA, Pursh. Sepals 4-8, broadly ovate, persistent. Petals 8-10. Stamens numerous. 

 Ovary froo, raany-ovuled; style deeply 5-8-parted. Capsule globose, dehiscing transversely at base, 

 siab-6-valved. Seeds reniform-globose or compressed. Benth. & HoOe. 



