fJ56 SCRoniULAlUACE.'E. PentsUncn. 



most a line and a half long : corolla a little longer than tlie calyx ; its 5 lobes of 

 ecjiuil lengtli, but the unterior one transversely oval or roundish, very much larger 

 than the lateral ami i)i)sterior oblung ones, and sepurated fruni theuj by ileeper 

 sinuses : ovuli-s suHtaiy in each cell : cajisulo considerably exceeding the calyx. — 

 Colliusia (eiitl/ii, Hcnth. in DC. I'rudr. 1. c. 



Moiulocuio Co., iieur Ukiiili, in shady giiuuid {KcUoijij, Jhlandcr) ; also in Oiugon, where it was 

 first collected by Natlull and later by E. Hall. 



T. FLOKiBUNDA, Gray, the other species, has been collected only in Idaho, on the Koos- 

 kooskie River, by S/ialdiiii/, (leyer, kv.. It is nuieh larger, a loot or two liigh ; the sterna termi- 

 nating in a rather erowiled racenio of whorls, each of \i to (i conijiurutivoly showy flowers ; the ojien 

 (iinrple) corolla over a iinarler of an inch in diameter and thrice the length of the calyx ; the 

 tiu'co lobus answering to the lower li|i iibovate and nearly alike, smuUcr thuu those of the V!-cleft 

 \i[)[wv li[i ; the ovnlcs and seeils 3 or 4 in each cull. 



8. PENTSTEMON, Mitchell. 

 Calyx R-parted. Oondla with a cuii.sjjicuons and mostly elongated or ventricoso 

 tube ; the throat gibbous on the lower if on either side ; the limb more or less 

 bilabiate; upper lip 2-lobed ; the lower 3-cleft, recurved or spreading. Stamens 4, 

 declined at base, ascending above ; the lifth (posterioi) stamen represented by a 

 conspicuous sterile fihinient : anthers with tluiir cells mostly united or confluent at 

 the summit. Style long : stigma entire, (^'apsule ovate, septicidal, many-seeded. 

 Seeds angled, wingless. — Perennial herbs, or a few shrubby ; with opposite (rarely 

 verticillate) leaves, the upper sessile or partly clasping^ the floral gradually or 

 abruptly reduced to bracts. Flowers (appearing in summer) commonly showy 

 and racemose-panicled, the peduncle from tlu) axil of the floral leaves or bracts 

 generally 2-bracteolato when single-flowered, oftener cymosely few-seveml-flowerod. 

 Corolla red, blue, purple, or white, rarely yellow. — Gray, Proc. Am. Acad. vi. 

 56 ; Watson, Bot. King Exp. 456. 



A well-marked g(>uns of nearly 70 sjjecios, nil North American with a few Mexican, mucli more 

 nnnierous in the i'acilic than tii'e Atlantic States, most so in the intermediate region. Several 

 are common in ornamental cultivation. In a few instances the rudimentary stamen has been 

 found to be antheriferous. 



CiiELONE NEMOKosA, Dougl., a native of the woods of Oregon, has been met with in the Cas- 

 cade Mountains about 200 miles north of the California line. It would be taken for a Fcntstcmon 

 except for the seeds, which arc broadly winged. 



§ 1. Anthers ivith cells at length diverging or divaricate, so as to become transverse, 



and opening for their whole length, 



* Anthers long-woolly : stems suffrutescent. 



1. P. Menziesii, Hook. Branching and tufted at the woody base, a span to a 

 foot high, nearly glabrous ; the flowering shoots erect : leaves coriaceous, oval or 

 oblong, mostly beset with some small rigid teeth, an inch or less in length : pedun- 

 cles almost always l-ilowered, and forming a short somewhat glandular raceme : 

 corolla about an inch long, pink-red ; the narroAV but gradually expanding tube and 

 throat much longer than the li))s. — Gerardia frulicosa, Pursh, Fl. ii. 423, t. 18. 

 P. Neioherryi, Gmy, in Pacif. li. Pep. vi. 82, t. 14, the var. Newherryi, Gray, 

 Proc. 1. c. 



On rocks, through the Sierra Nevada at 5,000 to 12,000 feet ; thence north to British Columbia 

 and the northern Kocky Jlountains. Showy in blossom, running into several varieties ; the Cali- 

 fomian form apparently always with pink or rose-red corollas. 



* * Anthers glabrous, or sometimes with a few scattered beard-like hairs. 



•¥■ Stems woody, at least the base : leaves somewhat coriaceous or chartaceous, small, 



mostly very short -jxt ioled : Jllaments all bearded at base. 



