SI 



Leaves glabrous ; calyx rather large, the purple lobes spreading,. ...it......... .S.foetid(h 



Leaves canescent tomentose beneath ; calyx small, the lobes couuiveut, short, . . S. versicolor, 



00 Leaves pahnately lohed or cut. Deciduous lofty trees. 



Carpels densely covered by stiff fragile pungent hairs ; flowers small, S. urens. 



Carpels shortly tomentose with stellate hairs, . jS^. villosa. 



Carpels densely covered with stiff pungent hairs, glabrescent ; flowers nearly | inch in 



diameter S. ornata. 



000 Leaves all entire. Small evergreen trees. 



Leaves quite glabrous ; calyx shortly tubular, the lobes of the length of the tube, little 

 spreading, S. longifolia. 



Leaves tomentose ; calyx-lobes free and spreading ; flowers long-pedicelled, . ,8, angustifolia. 



Leaves minutely stellate-puberulous beneath ; calyx-lobes short and connivent, flowers shortly 

 pedicelleu, , S. parviflora. 



* * Calyx tubular. Seeds without icings. Carpels chartaceons and almost leaf-like 



eorpanded, hearing one or two seeds along the marginal sutures from alm,ost J of 

 their length. 



Leaves more or less lobed, occasionally entire ; calyx about 8 to 9 lin. long,. ,,.. .8. cohrata. 



Leaves more lobed and larger than in former ; calyx about 1-1 j inch long, S.fulgem. 



, Qdiyx more or less hell-shaped. Seeds tcithout wings, solitary, laterally adnate to 



the base of the boat-shajied chartaceous or 'inemhranous follicles. 

 O Follicles produced below at about their middle into an additional hluntish sack- 

 like lobe. 



Leaves more or less tomentose or puberulous beneath ; calyx bell-shaped, green, S, campanulata. 



00 Follicles not produced into a sack-like lobe. 



Leaves coriaceous, glabrous, glossy ; calyx" almost rotate, yellowish S. scaphigera. 



* * * * Seeds numerous, enclosed in a woody large follicle, winged along their upper end. 

 Leaves entire, glabrous, 5-nerved at the base, follicle as large as a fist, ...., S. alata. 



HERITIERA. 



Carpels glossy, or at least smooth, brown ; leaves shortly petioled. 



Leaves at base usually cordate or rounded ; carpels obliquely ovate, with a sharp keel pointed 

 at the top, IT. littoralis. 



Jjeaves usually attenuate at the base ; carpels obliquely depressed and rounded, the keel at 

 the summit broad and almost wing-like, H. minor. 



00 Carpels woody, rough, covered with little corky tubercles, grey ; leaves on very long 

 jjetioles. 



Carpels obliquely oblong, keel indistinct, at the summit produced in a long narrow wing- 

 like appendage H, macrophylla. 



PTEROSPERMUM. 



Leaves large, lanceolate, semisagittate at base ; stipules pinnatifd ; flowers 4 in. 

 long ; capsules almost terete 



Bracteoles large, forming an involucre, divided into several many-cleft and jagged 



lobes, .P. semisagittatum, 



00 Leaves large, broadly oh long, pelt ate or cordate at base, tvhile young usually palmate- 

 ly lobed ; stipules lor 2 cleft (or entire) ; capsules 5-angkd. Flowers 4: to 5 in. long. 



Style towards the base villous ; bracteoles pinatifid, , P. acerifoUum. 



Style glabrous j bracteoles oblong-lanceolate, entire, P. aceroides, 



000 Leaves usually small, entire or shortly lohed towards the apex ; stipules small, 



entire or 2-3 cleft ; flowers not exceeding 2 in. in length ; capsules terete 



or nearly so. 



X Flowers on pedicels longer than the petioles. Leaves entire, acuminate. 



Leaves usually tawny or rusty tomentose beneath ; stipules and bracteoles linear-lanceolate, 

 with a cucuUate appendage ; capsules obsoletely 5-angled, P, cinnamomeum.^ 



Leaves usually greyish tomentose beneath ; stipules and bracteoles 2-to 3-rarely 5-cleft. 

 capsules terete, usually acuminate, . , P. lanceaefolium. 



Y,% Leaves usually angular towards the apex. Flowers on short 2}edicels of the 

 length of the petioles or seldom sometchat longer. 



Stipules and bracteoles entire, lanceolate ; terete, usually obtuse, P. Bllimeanum^ 



1 = Fterospermum fuscum of App. A. ; 2 := Pterosp. auberosum of App. A. 







