li;;_> ADDITIONS AND CORRECTIONS 



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the upper lanceolate or ovate-lanceolate, acuminate, short-pubescent 

 mi both sides; pedicels sparingly strigose; calyx 3.5 mm. long, glabrous, 

 except the ciliate margins of the lanceolate lobes; corolla 10-11 mm. long. 

 Mountains: n. Colo. Jl. 



7iJ7 The authority for L. ruderale is Dougl. 



711 I'nder Agastoche for the synonym Lopanthus read Lophanthus. 



7 is For Audibertella read Audibertiella. 



750 In key, 3d line, omit the word "much." 



751 Under Lyc.oi>nx read for the common name WATER HOARHOUND, the more 

 generally accepted spelling. 



7(14 In the key, 10th line from the top and 



~(>."> 18th line from the bottom for IX. WIPPLEANI read WHIPJ-LEANT. 



764 Revise the second division of the key of III. GLABRI as follows: 



Anthers not long-villous. 



Anthers softly short-villous with white hairs shorter than the width of the cells . 

 Corolla glabrous without; pedicels and calyx nearly glabrous. 



Stem 2-4 dm. high; stem-leaves lanceolate to ovate; anther-cells 



opening partially. 

 Sepals obscurely margined, acute; stem-leaves ovate-lanceolate, 



obtuse or acute; corolla 1.5-2 cm. long. 14. P. cyanocaulis. 

 Sepals with broad scarious margins; stem-leaves lanceolate, mostly 



acuminate, corolla 2-3 cm. long. 

 Sepals 8-9 mm. long, long-acuminate, the margins finely 



denticulate. 14a. P. scariosus. 



Sepals 4-6 mm. long, short-acuminate, coarsely denticulate. 



14b. P. Garrettii. 



Stem about 1 dm. high; stem leaves linear; anther-cells opening 

 throughout. 14c. P. Caryi. 



Corolla glandular-puberulent without; pedicels and calyx strongly glandu- 



lar-imbesceiit. 14d. P. mensarum. 



Anthers hispidulous. 



Corolla-throat nearly tubular, the limb nearly regular. 



Stem 1-3 dm. high, lower leaves acutish; upper leaves lanceolate; 

 calyx-lobes acute to gradually acuminate, with narrow scarious 

 margins. 

 Calyx-lobes acuminate; anther-cells bearded; sterile stamen densely 



bearded. 12. P. Frcmontii. 



Calyx-lobes acute; anthers glabrous; sterile stamen sparingly 



bearded. 12a. P. leptanihus. 



Stem 4-8 dm. high; lower leaves emarginate or rounded at the apex; 

 upper leaves oblong-ovate; calyx-lobes broadly ovate, short- 

 acuminate, with broad scarious margins. 12b. P. Jonesii. 

 Corolla-throat evidently inflated; limb distinctly 2-lipped. 



Calyx-lobes ovate or lanceolate, gradually long-acuminate or acute. 

 Stem-leaves lanceolate to linear. 



Calyx-lobes long-acuminate. 13. P. saxosorum. 



Calyx-lobes acute or short-acuminate. 



Corolla 22-30 mm. long; stem-leaves linear or lance-linear. 



13a. P. subglabcr. 

 Corolla 15-20 mm. long; stem-leaves lanceolate to ovate. 



14. P. cyanocaulis. 

 Stem-leaves broadly ovate or subcordate, etc. 



765 Also modify the last part of the key of GLABRI: 



Anthers perfectly glabrous. 



Mcrile stamen glabrous or nearly so. 

 Plant glabrous. 



Calyx-lobes acuminate. 



Calyx-lobes decidedly scarious-margined, abruptly acuminate. 



19. P. speciosus. 

 Calyx-lobes not scarious-margined, gradually acuminate. 



19a. P. leiophyllus. 

 alyx-lobes acute or obtuse, slightly scarious margined. 



20. P. unilateralis. 

 lants densely puberulent at least below. 21. P. Wardii. 



Sterile sta.mrti bearded. 

 Plant glabrous. 



Calyx-lobes not a scarious-margined. 19a. P. leiophyllus. 



^alyx-lobes decidedly scarious-margined. 

 Anther-cells opening throughout. 



Corolla about 2 cm. long. 22. P. perpulcher. 



Corolla about 2.5 cm. long. 22a. P. magnus. 



