Boschniakia. OROBANCHACE.E. 313 



* * Flowers nearly sessile or the lower ones short-pedicelled, simply spicate or thyrsoid : calvx 

 bibracteolate, deeply 5-cIeft into linear-lanceolate lobes: upper lip 'or all the lobes of the more 

 tubular corolla less spreading: whole plant viscidly pruinose-puberulent. 



A. multiflorum, Gray, I. c. A span or two high : calyx almost 5-parted, fully half the 

 length of the ample (inch or more long) purplish corolla : anthers very woolly. Orobanche 

 multiflora, Nutt. PL Gamb. 179. Phe.liima Ludoviciana, Torr. Bot, Mex. Bound. 110, in part. 

 P. erianthera, Engelm. in Proc. Am. Acad. vii. 372. Gravelly plains and pine woods, 

 W. Texas, New Mexico, and S. Colorado, to Arizona. (Adjacent Mex.) 



A. Ludovicianum, Gray, I.e. Rather less pubescent: spikes more frequently com- 

 pound: calyx less deeply and somewhat unequally 5-clef t : corolla about half smaller; 

 upper lip sometimes almost entire: anthers (before dehiscence) glabrous or nearly so. 

 Orobanche Ludoviciana, Nutt. Gen. ii. 58. Pheli/icea Ludoviciana, Walp. 1. c. ; Reuter in DC. 

 1. c. Illinois and Saskatchewan to Texas, thence west to Arizona and the south-eastern 

 borders of California. (Adjacent Mex.) 



* * * Flowers subsessile or short-pedicelled, thyrsoid-naniculate. small, otherwise nearly as in 

 the preceding section: stems with a thickened" tuber-like squamose base: anthers glabrous: 

 corolla yellowish, half inch long. 



A. tuberosum, Gray, 1. c. Pruinose-puberulent, seldom a span high : short and dense 

 spikes corymbose-glomerate at the summit of the thick stem: calyx-lobes lanceolate, longer 

 than the tube. Phelijma tuberosa, Gray, Proc. Am. Acad. vii. 371. Dry ridges, Califor- 

 nia, from Monterey to San Diego, and San Bernardino Co., Brewer, Palmer, Parry. 



A. pinetorum, Gray, 1. c. More pubescent : stem rather slender above the large tuber- 

 ous base, a span to a foot high : flowers in a rather loose elongated panicle : calyx-lobes 

 subulate from a broad base, not longer than the tube. Orobanche pinetorum, Geyer in 

 Hook. Kew Jour. Bot. iii. 297. Oregon to British Columbia, on the roots of Fir-trees. 



3. CON6PHOLIS, Wallr. SQUAW-ROOT. (A'com,-, cone, and r/ioAtV, scale, 

 the young plant, clothed with the imbricated dry scales and bracts, not unlike a 

 slender Fir-cone.) Single species. 



C. Americana, W^allr. Glabrous, simple, 3 or 4 and in fruit becoming 6 to 10 inches 

 long, as thick as the thumb, light chestnut-colored, and with yellowish flowers : scales at 

 first rather fleshy, at length firm-chartaceous. Orobanch. 78 ; Endl. Iconogr. t. 81. Oro~ 

 banche Americana, L. f. Suppl. 88. Oak woods, in clusters among decaying fallen leaves, 

 New England to Michigan and Florida: fl. summer. (Mex.) 



4. BOSCHNIAKIA. C. A. Meyer. (In memory of Boschniaki, a Rus- 

 sian botanist.) Short and thick, simple-stemmed from a tuberous caudex, brown, 

 glabrous, scaly ; the sessile flowers each subtended by a scaly bract nearly equal- 

 ling the corolla ; the whole forming a mostly dense cylindrical spike. W. N. 

 American, E. Asian and Himalayan : fl. summer. 



* Calyx-teeth short and broad: placentre 2: scales (acutish) and corolla-lobes somewhat ciliate. 



B. glabra, C. A. Meyer. A span to a foot high: scales ovate: anterior calyx-tooth 

 larger : lower lip of the ovoid ventricose corolla almost obsolete : filaments merely gland- 

 ular at base. Bong. Veg. Sitka, 158, where the genus was first described. Orohanche, &c., 

 Gmcl. Sibir. iii. 210, t. 46. 0. Rossica, Cham. & Schlecht, in Linn. iii. 132. O. (Bosch.) 

 glabra, Hook. Fl. ii. 92, t. 167. Aleutian Islands and east to Slave Lake. (Japan, 

 Siberia.) The reference in DC. Prodr. to E. United States and Mexico was an oversight. 



B. Hookeri, "Walp. Smaller: scales oblong, rather sparse: spike short: lower lip of 

 the oblong corolla fully half the length of the upper ; its lobes ovate-oblong : filaments 

 bearded at base. Rep. iii. 479; Reuter in DC. I.e. 39. Orobanche tuberosa, Hook. Fl. ii. 92, 

 t. 168. N. W. Coast, Menzies: not since seen. 



* * Calyx-teeth linear-subulate and longer than the tube: scales very broad and obtuse: pla- 

 centae 4, equidistant. 



B. strobilacea, Gray. A span high or less, stout and thick, brownish-red, flowering 

 almost from the base : scales much imbricated, orbicular and round-obovate : lower lip of 



