BoONATI—PHTHEIROSPERMUM AND PEDICULARIS. 119 
glabrous and P. longepetiolata, Franch. has the lobes of the 
calyx deeply divided, the stem very long and very leafy, etc. 
Dr Handel-Mazzetti who took part in the Austro-Hungarian ex- 
pedition and who lived for four years in Western China has 
called my attention to the fact that the lower edge of the hood 
of P. cephalantha, Franch. shows a tooth only on one side; I 
have myself often noted the same fact, but I have been able to 
convince myself that it is not absolutely constant. 
Series Oliganthae. 
A. Cust) filaments all glabrous. 
Lower lip with ciliate edges; calyx with three teeth, that on 
the top entire 1. P. oligantha, Franch. 
B. At least two staniiivel flamienta hairy. 
*Staminal filaments all hairy. 
+ Lower lip glabrous. 
Inflorescence a long raceme; calyx with 5 flabellate, more 
or less incised teeth ; stem long, weak, hairy, woolly at 
the top ; : . 2. P. Margaritae, Bonati. 
+ + Lower lip ciliate on the edges. 
A\Hood with a crest. 
+Flowers arranged in short spike-like racemes; bic 
with two teeth; plant small, erect, with few leaves, 
glabrescent, at least at the base. Corotta rose. 
; : is ; . 3. P. tachanensis, Bonati. 
++Plant weak. Corolla yellow. Calyx with five lobes. 
4. P. pseudocephalantha, Bonati. 
AAHood w withanit crest, on anterior side erect or ascending ; 
inflorescence in long racemes, calyx with 3 lobes. : 
5. P. laktangensis, Bonati. 
** Two erditifital ined hairy. 
+ Lower lip with edge glabrous. 
AHood with a crest. 
+Calyx with five lobes, all obtusely lobulate; median 
lobe of the lower lip of the corolla dilated ; leaves all 
alternate, ae plant hairy, of ashy appearance. 
6. P. quadrata, Bonati. 
pity + Calys very hairy, Sopit two teeth deeply spots io 
Tube of the corolla very hairy. 
peg lahitonsis; ae 
AA Hood Without rests 
+Hood hairy on the back sharply contracted into the 
long beak; calyx with five teeth of which two are 
subulate and entire, the other three lanceolate and 
serrate; lower leaves opposite. ‘ d ; : 
