KEY TO SUB-CLASSES, ORDERS AND GENERA. 133 
IV—ANONACEAi—cont. 
(A) Ovules 1—2 ; ripe carpels 1-seeded :— w+ xvii--Polyalthia, 
(B) Ovules 2-8; l-seriate; ripe carpels constricted between the 
seeds :— ... 5 vs x ei xvi—Unona. 
(C) Ovules many, 2- seriate ; connective lanceolate : :— ... xv—Canangium. 
(2) Petals imbricate in bud ; ovules many, 2-seriate ; connective 
obtuse :— : xii—U varia. 
(iv) Petals uniform, erect or r spreading : "ripe carpels Ha 6, few seeded :— 
xxvi—Alphonsea, 
(v) Petals all, or inner only, connivent, closing over stamens and ovaries :— 
(1) Inner petals dissimilar, generally smaller, conniving over stamens and 
ovaries, the blades cohering by their edges :— 
(A) Inner petals narrowed into a linear claw ; stamens 6—12, anther 
cells contiguous:— .. ... Xxviii—Orophea, 
(B) Inner petals not narrowed into a linear claw : stamens many, 
connective broad:— ... ... xxi—Mitrephora. 
(C) Inner petais not narrowed into : a , linear claw : — 
xx—Goniothalamus. 
(2) Petals subequal, similar in shape, all, or inner only, with concave 
base :— 
(A) Ovary 1, ovules many ; calyx truncate, cup shaped :— 
xlii—Cyathocalyx. 
(B) Ovaries 2 or more, ovules 2 to many ; er free; petals narrow 
linear from concave base:— ... Xxlii—Xylopia. 
(©) Ovaries 2 or more, ovules 2 ; sepals free : : ‘petals flat from concave 
base ; flowers on hooked woody peduncles :— ... Xiv—Artabotrys. 
IL. Carpels united into a large fleshy fruit:—  ... ea oF xxivy—Anona. 
V—MENISPERMACE A— 
[Anatomical features.—Th2 wood of all species has broad medullary rays alternats 
ing with broad wedges of wood, and as a rule very large vessels. Many species have 
concentric bands of bast (phloéms in the wood. These bands of bast have been called 
concentric ; frequently, however, they are partial, alternating masses of wood and bast 
occupying portions only of the circumference. | 
(I) Ovaries 3, style scar terminal; sepals 6 :— 
(i) Stameus united into a column with anthers on Hike ; flowers in dichoto- 
mous cymes :— ... XXix—Parabeena. 
(i) Stamens with distinet filaments; { fiowers in racemes or panicles :— 
xxx—Tinospora. 
(Il) Ovaries 3 or more, style scar basal cr ventral; staminal filaments 
distinct ; sepals 6; leaves usually not peltate :— 
(i) Seed globose, albuminous ; petals O ; flowers panicled :— 
xxxi—Anamirta, 
(ii) Seed horse-shoe shaped, albuminous : ~ 
(1) Petals 3; ovaries 3—6; flowers in globose heads :— 
xxxii—Coscinium. 
(2) Petals 6, minute, cuneate; ovaries 3--12, style subulate; flowers 
panicled :—... ... xxxiii—Tiliacora. 
(3) Petals 6, asually auricled ; “ovaries 3—6, style subulate; flowers 
panicled:— . “ v. -XExv—Coeculus. 
(4) Petals 6; ‘ovaries 3, style 3- -partite with reflexed segments ; flowers 
panicled :— xxxViii—Jateorhiza. 
(5) Petals 5-8 ; ovaries 3, style compressed ; flowers in panicles :— 
xxxivy—Limacia. 
(iii) Seed horse-shoe aves exalbuminous ; petals 6 ; Feeis stout hori- 
zontal ; flowers racemed :—  xl—Pachygone. 
(111) Ovary 1, style scar basal ; leaves generally peltate :— — 
(i) Sepals, male 6-10, female 3--5 ; petals 3—d free; flowers in axillary 
cymose umbels :— nes os .- Xxxvi—Stephania. 
(ii) Sepals, male Wteedt emnle 1; petals, male 4 connate, female 1; 
flowers, female in leafy bracteate racemes, male in cymes :— xxxvii—Ciasampelos. 
ii) Sepals, male 4 Rear female 1; petals, male 4 connate, female 1; 
flowers in axillary panicles:—... ... dee sae af, bes cae xxxix—Cyclea, 
