VII. PAPAVERACEiE (OLIVER). 55 



1. PUMAKIA, Linn. ; Benth. et Hook. f. Gen. PI. i. 56. 



Fruit a small nearly globose or compressed achene. — Diffuse or climbing 

 herbs. Leaves multisect with narrow or linear segments, glabrous and often 



glaucous. 



Not indigenous in Tropical Africa. 



*1. P. officinalis, Linn. ; DC. Prod. i. 130. A pale, weak annual, dif- 

 use, trailing or climbing. Leaves decompound with linear lanceolate or ob- 

 ong, acute or obtuse, often mucronulate segments. Bracteoles shorter than 

 or sometimes exceeding the pedicels. Flowers white rose or purplish. Achene 

 globose, obtuse retuse or subapiculate, smooth or slightly rugose. 



«r. a. Achenes obtuse or retuse. 



w.b. (F. parviflora, Lara.) Flowers very small (11-3 lines). Sepals minute. Achenes 

 wmewhat pointed. 



b2S^/ B * L Cornfields ' etc -> Abyssinia, Schimper ! Roth! Petit. White Nile, 



ms species, under one or other of its forms, is widely spread through Europe and tem- 

 plate Asia. 



Order VIII. CRUCIFEB.^ (by Prof. Oliver). 



flowers hermaphrodite, regular or the petals on the side turned from the 

 PJ lar ? er - Sepals 4, free, the lateral pair often more or less saccate at the 

 "»e or inserted a little lower than the others. Petals 4, rarely 0, narrowed 

 inn° W ° r clawed ' spreading and cruciate above. Stamens usually 6, four 

 neror.es in pairs and longer than the two outer. Ovary 1-celled with 2 pa- 

 wl placentas, or more usually 2-celled owing to the development of a thin 

 raoranous septum connecting the placentas. Style simple or 0; stigma 

 p °[ ^divided ; ovules 1, 2, or indefinite, usually horizontal or pendulous. 

 mV u ng ( 8 *% Mfl ) or short (silicule), 2-celled or sometimes 1-celled, de- 

 («3 \ * V Valves which separate from their persistent, seed-hearing margins 

 rail n ° T lndehis cent, or separating into cocci or 1-seeded articles. Seeds 

 the I v , minous - Embrvo usually with plane or plano-convex cotyledons, 

 back J either foldecl a S ainst th "r edges (accumbent o=) or against the 

 donKi ° ne of the m (incumbent o=), or the cotyledons conduphcate or 

 JJ2,. ! spirally folded.— Herbs, sometimes shrubby with colourless often 

 ^gentjuice, glabrous, glaucous, or with simple mediofixed or stellate hairs, 

 raeem S1,Dple ' alternat e, exstipulate, pinnatifid toothed or entire. Flowers 

 °°se or corymbose at first, rarely bracteate, usually white yellow or rose. 

 of CZJf 86 and widel y dispersed Order, characteristic of the temperate and cold regions 

 *» ttT? hcmis Phere, and especially abundant around the Mediterranean and m Asia 

 **■». eW . ^ ent,ra are Peculiar to the southern hemisphere. Of these the largest is 

 "P north nff L Stncted t0 S - extratropical Africa, some species^ of which may probably turn 

 »nd are « • t [°P ic - Mai >y of the Crucifera are useful esculents or oil-producing plants, 



11 is n J! n ui V 1 cultiva ted in tropical as well as temperate climates. 

 fcfeJT^r tbat several Peculiar genera, affecting the desert regions of Arabia and N. 

 horded tTn 6 - ? d 80uth of the t«>pic of Cancer. I have giveu diagnoses, under their 

 A. p roit p,cal "Uies, of a few of the more likely of these. 



dehi S cjl S " J. many timcs ( 3 times or more ) lon ? cr than broad ' 



