CENT. VIII. 101 
bract. lanc. acutis ped. eq.—Germany &c, semi- 
pedal, leaf uncial, petiol 2, flowers 6-8 rather 
small, nearer to P. rotundif. of Radius than P. 
petiolaris. 
710, Pyr. grandifiora Rad.—Labrador, 
leaves 3 small petiols longer, scape 3uncial, 
flowers 2-5 as large as in P. reticulata, scale 
elliptic acute, bracts lanc. ac. longer than pe- 
dicels. It forms with next a subg Toxrilis by 
style arched not flexuose, stamens not ascend- 
ing, stigma 5lobed &c. 
711, Pyr. cespitosa Raf. rotundif. Torrey!... 
fol. plurimis cespitosis parvis petiolis subeq. 
ovatis vel subrot. obt. marg. integris revolutis 
scapo angul. nudo paucifloro, bract lanc. acutis 
eq.—summit of Oquago, Taconic and Saranac 
Mts. of New York, 3 to 6 inches high, leaves 6 
to 12 very small hardly reticulate, fl. 5-8 medial 
size. subg. Tozilis. 
712, Pyr. heterophyla Raf. rotundifolia Tor! 
—repens petiolis brevis et longis, fol. 3-7 mem- 
branaceis ovatis et obovatis, obt. vel retusis, in- 
tegris vel crenatis vix reticul. scapis 1-4 angula- 
tis nudis, racemis 8-10fl. bract. lanceol. acutis 
pedic. brevior—New York to Virg. near to P. 
elliptica, but remarkable by the variable leaves 
1 or 2 inches long, scapes 6 to 10 inches, flowers 
medial, the naked scapes and short bracts dis- 
tinguish it well through ail its variations. 
713, Pyr. hybrida Raf. medial between P. 
heterophyla and P. reticulata—fol. 1-6 ovat. 
obov. et ellipt. obt, vel ret'isis integris, cartila- 
gineis supra nervoso reticul. petiolis brevis, sca- 
po ang. squamis 2-3 lanc. ac. bracteis similis 
ped. eq.—Mts. Allegh. it differs from P. reticu- 
lata by smaller leaves and flowers, 2 var. uni- 
folia and pauciflora. 
