Bulletin University of New Mexico—No. 49 
til or prstils. 
Pistils numerous, separate, but concealed in a hollow 
receptacle ; - - Rosa in Rosacraz P. 66. 
Pistils more than one, separate, not inclosed in a hol- 
low rectacle. 
Stamens inserted on the calyx, distinct ; 
- - - - - (42) RosacraE P. 66. 
Stamens united with the base of the petals, mon- 
adelphous ; - - (28) Matvaceask P. 51. 
Stamens inserted in the receptacle; 
- - - - (49) RanuncutackakE P. 76 
Pistils several, their ovaries cohering in a_ ring 
around the base of the axis; (28) Matvacrag P. 51. 
Pistils strictly one as to ovary; styles or stigmas may 
be several. 
po - ieee 1-celled, 2-ovuled ; 
- - (42) Ficaacista P66: 
ae Sauna 1-celled, with a central pla- 
centa ; - . (52) PortuLaceaE P. 80. 
Ovary compound, 1-celled, with two or more par- 
ietal placentae ; - (45) CapparIpDEaE P. 72 
Ovary compound, several-celled ; 
- - - - (28) Matvacear P. 51. 
Polypetalous forms in gamopetalous orders. 
Stamens not more than twice as many as the petals, 
when just the number alternate. 
Ovaries 2 or more, separate; stamens united with 
each other and with a large and thick stigma 
common to the two ovaries; 
- - - - (19) AscuEprapacrak P, 42. 
DIVISION III: APETALAE: Those with one set 
of floral envelopes only, or none. 
A, Flowers not im catkins. 
1. Prstil one, either simple or compound. 
Ovary wholly inferior, 1-celled. 
Parasitic on the branches of trees; anthers sessile; 
- - - - (58) LoranrHacrearE P. 86. 
Not parasitic above ground; anthers on filaments; 
- : - - (59) SantatacEar P. 87. 
Ovary free from the calyx, but permanently invested 
by its tube (or the base of it) so as to seem in- 
ferior; herbs with corolla-like calyx; 
- - . - (54) NycracineaE P. 80. 
Ovary plainly free from the calyx, which is something 
wanting. 
Ix 
