ARTIFICIAL KEY TO FAMILIES 73 
a. Woody Vines 
55. Fruit a number of single-seeded achenes, each with a plumose 
tail; sepals 4, resembling petals. (53) 
: Clematis in RANUNCULACEAD. Pg. 248 
RCCL AMU DOLE cs tls, es he as hae eh oe | ie! Me 8 EG 
56. Leaves of 3 leaflets . . Rhus radicans in ANICARDIACEAE. Pg. 384 
aeeeraves never Of 3 leaflets. 9. 6s woe be tee SS LS 
EEARREHG TS OTL Mes 7s Pal hea, tap na esas. 14. Le MiG BBS 
57. Stamens 12 or more. (54) . . .». MENISPERMACEAE, Pg. 266 
58. Throat of calyx crowned with a double or’ triple fringe. 
(EID) “eae? | on catalan Seale PASSIFLORACEAE, Pg. 416 
me earodt ol calyx not fringed. . 2 . -s 6 » 6 = $ « = 09 
59. Stamens alternate with the petals. 
eo ee et CU Cle) CO Oelasivus in CemASTRACHAE,. Pg. 588 
59. Stamens opposite to the petals . . . . . VITACEAE. Pg. 395 
b. Trees and shrubs 
BOmmcAVeSTOpPOSsit@race i ai, is ne lat 8) nace, aw eile) |. eee tOn 
SOmbecaves, alternates a 2. <0 8 < SS 20 By bas Tee ie egeGt 
Leaves opposite 
Cuenta aCa SUL. 4: bE gy a ek ee tee Baer CEs ao OS 
RMN Dee DOREY. MGS ty) x) ce ke) we a ae eee Neate ots 
61. Fruit a disk-shaped fleshy pod . . . . CELASTRACEAE. Pg. 386 
61. Fruit of 3 inflated carpels . . . . . STAPHYLEACEAE. Pg. 388 
61. Fruit a double key (samara). (47) . . . ACERACEAR. Pg. 389 
62. Fruit a membraneous 2-celled capsule. 
~, 2 aoa ae Hydrangea in SAXIFRAGACEAE. Pg. 302 
62. Fruit a globose leathery nut-like capsule. (56) 
. HIPPOCASTANACEAE. Pg. 390 
63. Flowers in elongated clusters . . . . BERBERIDACEAE, Pg. 264 
63. Flowers in umbel-like clusters. (57) . . . CORNACEAE. Pg. 450 
9 
Ps AY) Feet rigs 
ARNE fe los 
Gane UE 
56 57 
Leaves alternate 
er sie COFMPOUNGY 5546 ns) Bae ce | asl ee ew. ae OS 
SMPEIOTESASTIUDION 55. Macy, su. veut: GMa a 8 Mee es TO 
Baeauice: milky . . . = « ». » » = ANACARDIACHEAR, Pe. 382 
eee RETA aria! My kh elo a! 0, We Fagin. ~ oe es, 6S 
66. Leaves compound, fruit a Key (48) or stems armed with 
large prickles (not thorns) . ~. «oo - ROUTACEAR, VPp. 370 
66. Fruit not a Key and stems not armed with prickles on the bark 67 
