APPENDIX 
tween two nodes. 
Involucre .......... ec eee eee 25 
Involucel ............. 000 c eee 25 
Irregular yc etek isu e eae. 19 
Keel. Lower petal of a _ pea- 
flower. 
Laciniate. Divided into narrow 
lobes or segments. 
Lanceolate. -Longer than broad, 
as a willow leaf. 
Legume. A dry fruit splitting along 
both sutures, as the pod of the 
bean or pea, 
Ligulate. With a strap-shaped 
corolla. 
Bt es caes octet een Soot ete aise ave 24 
COMMA: ii. slerdiy caine sees wera 26 
Limb. The expanded part of a 
petal or corolla; as distin- 
guished from claw or throat. 
Linear. Long and narrow with 
nearly parallel sides. 
Loment, A legume, usually con- 
stricted between the _ seeds, 
which breaks up into one-seeded 
joints at maturity. 
Liocullicidial siscs i.) ducaia-s ctepd'e teens 22 
Lodicules. Rudiments of the peri- 
anth in grass flowers. 
Monadelphous ............... 15 
Monoecious .........-....5005 15 
Mucronate. With a short, sharp, 
abrupt tip. 
Nectary. That part of the flower 
which secretes a sweetish fluid 
called nectar, which attracts in- 
sects and from which bees make 
honey. 
Neutral sssccccxcavs4 saw ved sores 18 
Node. The place on stems, often 
enlarged or otherwise modified, 
where one or more léaves are 
normally borne, 
Nut. A one-seeded fruit with a 
bony indehiscent pericarp. 
Nutlet, A diminutive nut. 
Oblanceolate. Like lanceolate, 
put broadest towards the tip. 
Ocrea. (Ochrea) Stipules which 
are united into a sheath or tube 
around the stem, 
OVARY tis sordves Mie Gea don en ge 9 
Ovule «csscwicinwsescisweves ae 9 
Palet. (Palea) ............... 26 
205 
Palmate. Having lobes or leaflets 
that diverge from the apex of 
the petiole. 
Panicle. A loose irregularly com- 
pound flower-cluster with pedi- 
celed flowers or spikelets. 
Pappus. The modified perianth of 
the composites, consisting of 
scales, bristles, awns, etc. 
Parietal. Borne on or pertaining 
to the wall of the ovary. 
Pedicel. Stalk of a flower in a 
flower-cluster, 
Peduncle. Stalk of a flower-clus- 
ter or of a solitary flower. 
Peltate. A leaf in which the peti- 
ole is attached near the center 
of the blade. 
PEPER MI Al siccsisicis aeosd wre 'g ok arene oe 28 
Perfect: sis paw eccmgu es ¥aiek 496 13 
Perfoliate. Having the leaves sur- 
rounding the stem so as to ap- 
pear to be pierced by it. 
PEPrlanthh a.iigedces ness n ile od 11 
PePicarp assicaead sini es decent 21 
Perigynium. A sac-like bract en- 
closing the ovary and achene in 
Carex. 
Petal cea keene ner eee wd wows 11 
PEtIOIE: voiced acecs F.dve.caneiecaa Goose aie 23 
Pilose. With soft hairs. 
Pinnate. A compound leaf with 
the leaflets attached along both 
sides of a central axis. 
Pinnatifid. Pinnately cleft to the 
middle or beyond. 
PIstil sees ys wees vastnew ew sate 9 
Pistillate 2... ... 0... ccs eee 13 
PISGGCHEA cca c cc tecen cane un dee . 9 
Pollen, Spores produced in the 
anthers by which the ovules are 
fertilized. 
Polygamous ..............005 14 
Polygamo-dioecious .......... 14 
Polypetalous. Petals not united. 
Puberulent, Covered with min- 
ute hairs. 
Pubescent. Hairy; especially if 
the hairs are soft, short, and 
down-like. 
Raceme. A flower-cluster consist- 
ing of a single axis bearing 
