OF ARTS AND SCIENCES. 323 



2G. P. LOAS^FOLiA Torr. — Still a little known species, collected 

 near Monterey only by Douglas and Dr. Parry. 

 ++ ++ Eadix perennis, crassa : pubes mollis : fulia ctiam snprema peti- 



olata : spicse in pedunculo cymoso-glomeratae : coroUte plicag obtu- 



sissimjc. 



27. P. HTDROPHYLLOiDES Torr. in Gray, Proc. Am. Acad. 7, 

 P; 400. Spitliamtea vel subpedalis, superne vix hispida, glandtdosa ; 

 foliis subsericeo-pubescentibus ovatis sou rhoraboideis (l-2-pollicari- 

 bus) obtusis paucilobatis iucisisve longe petiolatis, imis nunc lyra- 

 tis ; cyma brevi glomerata ; corollge violacea? vel albidiB plicis 

 Bemi-ovalibus ; filaiuentis glabris ; antheris brevi-linearibus ; stylo fere 

 bipartite ; capsula calycem aequante 6— 8-sperma. — Not rare in the 

 high Sierra Nevada. 



28. P. PROCERA. Suborgyalis, tenuiter pubescens, superne sub- 

 glandulosa, pilis hisjaidis etiam calycis nullis ; foliis viridibus (2-5- 

 pollicaribus) ovato-lanceolatis ovatiscpie acutis laciniato-pinnatifidis, 

 lobis 2-4-jugis acutis ; spicis fructiferis cyma3 elongandis ; corolla alba 

 vel pallida, plicis semi-obcordatis ; filamentis parce barbatis ; antheris 

 oblongis; stylo supra medium bifido ; capsula globoso-ovata vix mucro- 

 nata 10-1 8-sperma; seminibus immaturis alato-angulatis. — Mountain 

 meadows of the Sierra Nevada, in Nevada and Sierra counties, Do- 

 lander, Lemmon, &c. 



* * Perennis : genitalia longe exserta : corolla campanulata circa 

 basim capsulae marcescenti-jDersistens (!), plicis majusculis oblongis 

 a filamentis liberis : placentie pluriovulata^ : semina longitndinaliter 

 costata et reticulata : flores thyrsoideo-congesti. Species boreali- 

 alpina. 



29. P. SERTCEA Gray in Sill. Jour. (1862) 34, p. 254. Eufoca 

 sericen Graham, Bot. Mag. t. 3003. — Folia l-o-|)innatipartita. — Yar. 

 Lyalli: forma nana, minus seiicea; foliis subviridibus lobis latioriinis; 

 floribus thyrsoideo-capitMtis. Rocky Mountains, lat. 49, at G-7000 

 feet, Lyall. Oregon forms approach it. — The persistence of the 

 coi'oUa is peculiar to this species. It was first noticed by Watson, 

 in Bot. King, p. 252. 



* * * Annuoe : genitalia corollas rotato-cam,]xinulat;e adtequantia : pli- 

 cae corollaj angustJB a filamentis liberte : calycis lobi lineares : stylus 

 apice bifidus: capsula ovata, acuminata vel acuta: sj^icte densillora? 

 thyrsoideo-cymos^ vel paniculatai. 



•I— Folia 1-2-pinnatisecta : placentae 20-30-ovulatce : semina ovalia, 

 lineatim subalveolatae. 



