the tor). 2 



Surfpce-cells as seen vdth a lens fist or convex, not 

 projecting as microscorls points, smooth, or in G. 

 exsertur sli^'''""^"' """ hersh to the touch, 4 



3, Grovfths 1-2 inches high and 3/4-1 inch broad, v;ith the 



notch 3-6 lines deep; lobes eni:pl , flat on the inner 

 face; dots very conspicuous. apiatum 



Grov.'ths 3-18 lines hig: end 3-10 lines broed, with the 

 notch -|--5 lines deep; lobes equal or unenual; dots 

 usually evident but not very conspicuous, 3 



3, — Growths 9-18 lines high and 5-10 lines broad; lobes 



rounded on the inner face; glsucous-green or whitish- 

 green. 



albescens 



Grovrths 3-12 lines high and 5-8 lines broad, usually 

 tall-^r than broad; lobes very short or flattened on 

 the inner face; eroen or somewhat glacous-green, 



hahlenberrense 



Gro\7ths 4-7 lines high, and 4i-6|lines broad, usually 

 about as broad as tall, rath the notch |--1 lines 

 deer> and its faces flat. quaesitum 



4, — Grov.rths uniformly glaucous-green vithout dots or other 



markine-s. 5 



Growths either with more or less evident dots or mark- 

 ings, or not glaucous- green, 6 



5, — '^-ravths 1.^-2 inches high andmuch teller than broad, with 

 the notch 4-9 lines dee^^; flowers yellow, bilobum 



Growths §-1 inch hi.'^h and nearly or quite as broad, 

 with the notch 1-1-2^ lines deep; flowers rosy. 



nuci forme 



6, — Flov/ers white; grovvths 5-16 lines high and 3-7 lines 



broad, with the lobes mostly unequal, 3/4-3 lines long, 

 con'^ex on the Inner face; light green or yellowish- 

 p-reen with or without a few indistinct darker-green 

 dots on the lobes. ^^oodi?:. e 



Flowers red 7 



'^'lov/ers yelloe 8 



7, — Gro-'ths 5-8 lines high; lobes sub^-c-^O-indric , marked 



with d'^rk green l:*nes on f'^e to^, '^nd dotted on the 

 lover T^art, turrigerum 



Gra-ths 7-15 lines hi^ and 5-8 lines broad, with the 

 notch i-3^- lines deer or sometimes absent; lobes not 

 cylindric; dots distinct, no lines or only a red one 

 or t>ip tor of e^c^' lobe. gracilistj'-lum 



